Loc. Gravelly ground, walls, &c.; common, like the former, but not observed in Buntingford and Stortford. A. May, September.

1. M. erecta, erect, upright, M. Smith 1.240. Lind. (M. glauca) 49. Bab. 54. E.B. 609. 2 ed. 252.

Loc.

May, June.

Dry, gravelly, and heathy places; rare. A.

LEA. 1. Hertford Heath, Bull's Green, Datchworth; near the Cricket Ground in Hatfield Park. In a gravelly field, near the N.E. corner of Woodhall Wood; R.G.C. 2. High Heath, Codicote. 5. Patmore Heath. 6. Gravel pit behind Burford House, Hoddesdon; Pembridge Lane, Broxbourne; Base Hill, near Broxbournebury; Martin's Green; roadside near Cuffley's.

COLNE. 7. Colney Heath; Smallford. Lane, St. Alban's! c.H.

No-Man's Land.

10. Sand-pit

Bernard Heath, St. Alban's; I.C.

SPERGULA. Spurrey.

LINN. CL. X. ORD. iv.

NAME. Said to be derived from spargere, (Lat.) to scatter, (Italian spergere) though we are not aware of the peculiar powers of this genus to expel their seeds. Spurrey, probably from the whorled disposition of the leaves, resembling a spur.

1. S. arvensis. Corn-field S. Smith 2.336. Lind. 48. Bab. 48. E.B. 1536. 2 ed. 677.

Loc. Sandy and gravelly soils. A. June, September. LEA. 1. Abundant in gravelly fields near Hertford. 2. About Wheathamstead. 3. In fields S.E. of Stevenage. Aston. Sheephall. Near Frogmore. 6. Cheshunt.

COLNE. N. Mimms. Near Colney Heath. Between London Colney and Shenley. C.H. 8. Rickmansworth. 9. Tring. 10. Near Three Houses, St. Alban's.

OUSE.

2. S. nodosa, Knotted S. Smith 2.338. Lind. 48. Bab. 48. E.B. 694. 2 ed. 678.

Loc. Wet sandy places and moorish ground; rare. P. July, August.

LEA. 1. Wet pastures by the brook W. of Cole Green, Hertingfordbury. Springy spot in a pasture by the high road at Waterford. 6. Hoddesdon-marsh! T.F. & C.W.

COLNE. 7. Colney Heath. 8. Rickmansworth Common Moor. On the wall of Rickmansworth Churchyard (?) BLACKSTONE.

OUSE. 11. Hitchin and Walsworth Commons. I.B. 12. Royston Heath. H.F.

STELLARIA. Stitchwort.

LINN. CL. X. ORD. iii.

NAME. From stella (Lat.), a star; form of flower. 1. S. uliginosa, boggy S., delighting in locis uliginosis. Smith 2.303. Lind. 52. Bab. 54. E.B. 10074. 2 ed. 635. Loc. Wet places, common, though not as yet noticed in districts 4, 5, and 12. A. May, June.

2. S. media, intermediate S. Common Chickweed. Called by Linnæus, Bauhin, and others, Alsine media, as intermediate in size between Alsine major (Cerastium aquaticum) and minor (Arenaria serpyllifolia); the name, no longer applicable now its genus is changed, has been unwisely retained by later authors. Smith 2.301. Lind. 52. Bab. 52. E.B. 537. 2 ed. 631.

Loc. In rich waste and cultivated ground; abundant in all the Districts. A few handfulls of this common plant simmered with a little lard, makes a most cooling and healing ointment, and will be found very useful for broken chilblains and other troublesome wounds. A. March, November.

ὁλοστεον Holos

3. S. Holostea, Holostea or Greater S. teon is the Greek name of some plant, derived from ¿ãos (holos), entire, and oσTeov (osteon), bone; but why applied to our plant, except by antiphrasis (no bone) is not so clear; the healing properties of the preceding species, might better claim the name, though that does not profess to be a bonesetter. Smith 2.301. Lind. 52. Bab. 53. E.B. 511. 2 ed. 632.

Loc. Groves, hedges, and bushy places; common in all the districts. P. April, June.

4. S. graminea, grass-leaved, Lesser S. Lind. 52. Bab. 53. E.B. 803. 2 ed. 633. Loc. Heathy pastures and bushy places. all the Districts. P. May, August.

Smith 2.302.

General in

Smith 2.303.

P. May, July.

5. S. glauca, glaucous, or Marsh S. Lind. 52. Bab. 53. E.B. 825. 2 ed. 634. Loc. Ditches on a peaty soil; rare. LEA. 1. Hertford Heath, opposite the entrance of the Haileybury College, across the road. (J.W.L.) F.H.S.S.? Ditch near Chadwell. 6. Hoddesdon N. Marsh; and on the marshy ground S. of the Old-Mill.

NAME.

ARENÁRIA. Sandwort.

LINN. Cl. x. ORD. iii.

From arena (Lat.) sand. Its habitation.

1. A. rubra, Red or Purple-flowered S. Smith 2.311. Lind. 50. Bab. (Alsine) 49. E.B. 852. 2 ed. 638.

Loc. Dry, gravelly, or sandy soil; rather rare. A. June, September.

LEA. 1. Gallow's Plain! L.M. Hertford Heath. Field near Rickney's, by the road from Bengeo to Ware West Mill. Field and gravel-pit N. of the road from Hertford to Welwyn, near Panshanger. Lane (now stopped) leading from Bedwell Lodge Farm to Camfield Farm, Essendon. On the waste between Wild-hill and Hatfield Woodside. At Woodside, in front of our friend Mr. Church's gate. In Grubb's Lane. In Hatfield Park. In the Gravel-pit between the Park and the turn to Holwell, on the Hatfield and Hertford road. 2. Near Mardley Heath. 3. Half a mile N.W. of Broadwater Gate; I.B. 6. Base Hill, near Broxbournebury. At Leggatts, Northaw. Totteridge Green. Gravel-pit, near Flamstead End, Cheshunt; and by the road-side thence to Newgate-street. At Cuffley's.

COLNE. Colney Heath. N. Mimms Park, and the Wash; R.G.C. Near Smallford Church. In Millward's Batcher Heath.

Park. 8. Site of Bushey Heath.

10. Sand-pit Lane, St. Alban's; C.H. No-Man's Land. Bernard Heath.

2. A. tenuifolia, Fine-leaved S. Smith 2.308. Lind. 49. Bab. (Alsine) 50. E.B. 219. 2 ed. 643.

Loc.

Dry chalky ground, in fields, and on walls; rare. A. May, July

LEA.

COLNE. 10. In a field near No-Man's Land! R.G.C.

OUSE. 11. In several localities near Pirton; Wellbury, West Mill, and Norton Commons; I.B. 12. On the Northern part of Kelshall Parish!; near Highley Hill, Ashwell!; H.F. Roadside near Odsey; J.A.!

3. A. serpyllifolia, Thyme-(serpyllum) leaved S., but the resemblance is not very apparent. Smith 2.307. Lind. 49. Bab. 51. E.B. 923. 2 ed. 642.

Loc. Walls and gravelly ground; common in all the districts. A. June, August.

4. A. trinervis, Three-nerved or Plantain-leaved S. Smith 2.307. Lind. 49. Bab. (Moehringia) 51. E.B. 1483. 2 ed 641.

Loc. Woods and shady banks. Common, though not yet noticed in the Royston district. A. May, June.

CERÁSTIUM. Mouse-ear Chickweed.

LINN. Cl. x. ORD. iv.

NAME. From κepas (keras) a horn; the curved capsule of some species resembling the horn of an ox.

1. C. vulgatum, Common or broad-leaved M. Smith 2.330. Lind. 51. Bab. (C. glomeratum) 54. E.B. 789. 2 ed. 669.

Loc. Dry banks, on a gravelly or sandy soil; frequent in all the districts. A. April, September.

2. C. viscosum, Viscid or Narrow-leaved M. Smith 2.330. Lind. 51. Bab. (C. triviale) 54. E.B. 790. 2 ed. 670.

Loc. Waste ground, old walls, as well as in marshes, indifferently. Common in all the districts. A. April, September.

3. C. semidecandrum, Semidecandrous M. This species having but five stamens, while most others of the genus

have ten, has been named semi (i.e. half) decandrous; a barbarous term, half Latin, half Greek. It should have been Hemidecandrum. Smith 2.331. Lind. 51. Bab. 55. E.B. 1630. 2 ed. 671.

Loc. Dry banks and walls; not uncommon on gravel, but less frequent in the chalky districts. A. April, May. LEA. 1. Frequent about Hertford; especially to the N. of the River LEA. 2. Wheathamstead. 3. Stevenage. 5. Stortford. 6. Cheshunt.

COLNE. 7. N. Mimms; R.G.C.

10. St. Alban's.

OUSE. 11. On the walls of the Alms-houses, Bancroftstreet, Hitchin; Bank, near Willian; Wall at Gosmore;

I.B.

4. C. aquaticum, Aquatic or Water M. Smith 2.335. Lind. 51. Bab. (Malachium aqu.) 54. E.B. 538. 2 ed. 676.

Loc. Ditches and moist hedges, not very common. P. July, August.

LEA. 1. Frequent in the Valley of the LEA, from Hertford downwards, but rather scarce above Hertford. River RIB between Bengeo and Ware West Mill. Waterford Marsh. Ditch near Holwell Farm, near Essendon. Hatfield Park; and near Stanborough ; R.G.C. Bonnington's Pond, Hunsdon. 3. Aston Bury. 4. Barkway. 5. Stortford. Sawbridgeworth; G.W. 6. Common about Cheshunt; Waltham Cross.

COLNE. 7. London Colney. 8. Rickmansworth. 9. Wilstone Reservoir; E.W. 10. St. Alban's; C.H.

OUSE. 11. Hitchin; I.B.

5. C. arvense, Field M. Smith 2.333. Lind. 51. Bab. 56. E.B. 93. 2 ed. 673.

Loc. Fields and banks; common in the chalky districts, but rare elsewhere. P. April, August.

LEA. 1. Balks between Gallow's Plain and the road from Hertford to Ware; and on banks by the road to Stanstead. Balks on the hill-side E. of Waterford Marsh. Under Dawley's Wood, Tewin. 3. Between Watton and Walkern.

COLNE.

OUSE. 11. Hitchin, abundant in many localities; I.B. Near RAVENSBURGH CASTLE, Hexton. 12. Abundant about Royston.