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DENTARIA. Tooth or Coral Wort.

LINN. Cl. xv. ORD. ii.

NAME. Dens (Lat.), a tooth; tooth-like structure of the roots.

1. D. bulbifera, bearing bulbs; axillary. Smith. 3.186. Lind. 25. Bab. 22. E.B. 309. 2 ed. 921.

Loc. Moist woods on a sandy soil; rare. P. May, June. COLNE. 8. Loudwater Wood! and in a wood adjoining High Wood, near Rickmansworth! E.H.

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NAME. The Greek name of some plant supposed to be a remedy for madness, specially canine; it is compounded of a priv. and Avoσa, lyssa, madness.

1. A. calycinumt, large calyxed. Bab. 26. E.B. Supp.



Cultivated ground, rare. A. May, June. LEA. 6. Banks of the New River near Hoddesdon; plentiful; H.W! 1846.

COLNE. 10. Field on No Man's Land Farm; N. & W.T.! OUSE. 11. In a field N. of Oughton Head, 14 m. N.W. of Hitchin; I.B.!

DRABA. Whitlow Grass.

LINN. Cl. xv. ORD. i.

NAME. Apaßn Drabé, is the Greek name of an aromatic plant.

1. D. verna, vernal, common W. G. or Nail wort. Smith 3.158. Lind. 26. Bab. 27. E.B. 586. 2 ed. 914.

Loc. Walls and banks; common throughout the county. A. March, May.

This is one of our earliest plants, enlivening the tops of walls, rocks, and barren uncultivated places, with its little white blossoms, at a time when there are very few other flowers to attract our attention; and though it is insignificant in itself, yet it excites in us the pleasing reflection that the season is approaching, when

"All that is sweet to smell, all that can charm
Or eye or ear, bursts forth on every side,
And crowds upon the senses."


For this reason, De Candolle, in making it the type of a new genus, has named it EROPHILA, from Hp, Er, the Spring, and piλew, phileo, to love.

"I love thee, pretty nursling

Of vernal sun and rain,
For thou art Flora's firstling,
And leadest on her train."

COCHLEARIA. Scurvy Grass.

LINN. Cl. xv. ORD. i.

NAME. From cochlear (Lat.), a spoon, which the leaves of some of the species resemble.

1. C. Armoracia,* Brittany or common Horse-radish. A name used by Pliny to describe a species of wild radish. Perhaps from Armorica, a part of Gaul; the name implying that it came to the Romans from Brittany. The French call it "Cranson de Bretagne." Smith 3.177. Lind. 27. Bab. 28. (A. rusticana). E.B. 2323. 2 ed.


Loc. Banks of rivers and in waste ground; not uncommon. P. May.

LEA. 1. Bank of the R. Maran, at Archer's Green, Tewin; of the Rib, at Ware West Mill; of the Beane below Mole Wood Mill; of the Stort, near the Rye-house. Plentiful in an Osier-holt in the LEA between Hertford and Ware Park. Hatfield Park; R.G.C. 3. Stevenage. 4. Buntingford; Barkway. 5. Stortford. 6. Waltham Cross.

COLNE. 8. Rickmansworth. 9. Great Berkhamstead. OUSE. 11. Hitchin; I.B.!

THLÁSPI. Penny Cress.

LINN. Cl. xv. ORD. i.

NAME. From exaw thlao (Gr.) to compress or crush— form of seeds.

1. T. arvenset, Corn P.C. Smith 3.171. Lind. 27. Bab. 29. E.B. 1659. 2 ed. 897.

Loc. In fields and roadsides; rare. A. May, July. LEA. 1. Towing-path near Hertford Lock. 2. Roadside between Welwyn and Brickwall. Near Welwyn, W.I.B. 6. Between Broxbourne Church and Hoddesdon; and in the open fields N. of Hoddesdon, by the road to Stanstead and Hertford.

COLNE. 8. Near Loudwater. 10. Park-bury, Colney Street; C.H. OUSE.

IBERIS. Candy Tuft.

LINN. Cl. xv. Ord. i.

NAME. Ionpis, Greek name of a plant of this order, probably derived from Iberia, or Spain.

Smith 3.181.

1. I. amarat, bitter or common C.T. Lind. 28. Bab. 29. E.B. 52. 2 ed. 903. Eng. Candy Tuft-from Candia or Crete. See Phillip's Flor. Hist.

Loc. Chalky-fields in the N. of the county. A. July. LEA. 6. Rye Field! H.W.


OUSE. 11. In a field S.E. of Deacon Hill, on the Herts. (as well as the Beds.) side of the road leading to Lilley Hoo, 3 m. W. of Hitchin; I.B. 12. Corn fields near Royston (W. Christy); Watson, New Bot. Guide. Near Sandon! and Royston! Heaths; H.F. By the ICKNIELD WAY, 1 m. E. of Royston; about 1 m. from Royston on the road to Barkway.

SISÝMBRIUM. Hedge Mustard.

LINN. Cl. xv. ORD. ii.

NAME. Zovußpiov, (Gr.) Sisymbrion, a species of water plant.

1. S. officinale, common S.

Bab. 23. E.B. 735. 2 ed. 939.

Smith 3.196. Lind. 29.

Loc. Banks and waste grounds; very common in all the districts. A. June, July.

2. S. Sophia, Fine-leaved H.M. Flix-weed. "Sophia Chirurgorum, the Wisdom of Surgeons," (an old name of the plant), “would not be evinced by any reliance on this herb for the cure of fractured limbs; nor are its antidysenteric virtues, to which its old English name (Flix or Fluxweed) alludes, better ascertained." Smith 3.197. Lind. 29. Bab. 23. E.B. 963. 2 ed. 941.



Waste ground, rare. A. June, August.

1. Towing-path between Stanstead and Ware, Near Ware, by the road to Ware Park; and in a

gravel-pit by the road to Watton; also by the London read

3. S. Thalianum, common Thale Cress; so called after J. Thalius, a German Physician, 1588. Smith 3.209. Lind. 24. Bab. 23. E.B. 901. 2 ed. 942.

Loc. Gravelly-fields and on walls and banks; common. A. April, May.

LEA. 1. Fields and banks common to the N., less so to the S. of the LEA., near Hertford; Essendon. 2. Wheathamstead. 3. Stevenage. 5. Stortford. 6. Cheshunt. COLNE. 6. N. Mimms. 8. Watford. OUSE. 11. Hitchin; I.B.

4. S. irio, (Lat.) London Rocket. 29. Bab. 23. E.B. 1631. 2 ed. 940.

10. St. Alban's.

Smith 3.197. Lind.

Loc. About old towns; rare. A. July, August.
LEA. 1. Near the Gas-Works, Hertford. J.A.!

"This is a very local plant, exceedingly rare, except in LONDON (Eng. London Rocket) and its neighbourhood; after the memorable fire of 1666 it is recorded to have sprung up in such profusion as to cover the site and ruins of the great city, in which, amid all the renovations and improvements that have since taken place, we still not unfrequently find it flourishing, especially where a breezy nook or old wall is left long undisturbed in the vicinity of the Thames." E.B. 2 ed. p. 95.

ALLIARIA. Hedge Garlic.

LINN. Cl. xv. ORD. ii.

NAME. (Lat.) From allium, garlic; which the plant smells like, when bruised.

1. A. officinalis, officinal. Jack by the Hedge. 3.201. Lind. 29. Bab. 24. E.B. 796. 2 ed. 944.


Loc. Hedges and groves; common, except in barren

soils. B. May, June.

General in all the Districts.


Treacle Mustard.


LINN. Cl. XV. ORD. ii.

Ερύσιμον, a Greek name derived from ερνω, eruo,

to draw; a poultice of the seeds raising a blister.

1. E. cheiranthoides,† Wall Flower (cheiranthus) like. Smith 3.200. Lind. 30. Bab. 24. E.B. 942. 9 ed. 943. Loc. Cultivated and waste ground, rare B. June, Aug. LEA. 1. Rubbish in Mangrove-lane, Hertford; and on a bank of gravel near the Gas Works. Field on Barber's Lodge Farm, near Kentish-lane, Hatfield. Hatfield Park; R.G.C. 4. Dung-hill, Braughing Vicarage; F.H.S.S. 6. Marsh-lane, Hoddesdon; in a gravel-pit near the Ryehouse; field next the Broxbourne Station on the path to Hoddesdon.

COLNE. 8. Bank of the C. near Harefield Mill.

OUSE. 12. At Kelshall and Royston, but rare; H.F. Royston by the roadside to Barkway.

2. E. orientale,* Hare's Ear. Bab. 24.

LEA. 1. We found a single specimen of this species on a newly-repaired towing-path near Ware Mill, in 1841; in company with Brassica Napus, Saponaria Vaccaria, Asperula arvensis, and Echinospermum Lappula. The gravel with which the bank was repaired was probably obtained from the bed of the river by dredging, and the seeds perhaps brought with flax to the Oil Mills, a circumstance which may account for several other scarce plants, not strictly native, being found in the immediate vicinity of Hertford and the river banks, and which, having ourselves met with, we think it right to include.


CAMELÍNA. Gold of Pleasure.

LINN. Cl. XV. Ord. i.

Supposed to be altered from Chamalinum, which is compounded of Xauai chamai, on the ground, (in composition, dwarf,) and xov linon, flax; but between flax and our plant we can see no resemblance.

1. C. sativa, cultivated or common G. Smith 3.164. Lind. 30. Bab. 28. E.B. 1254. 2 ed. 920.

Loc. On towing-paths and waste ground near oil mills, occasionally; imported with flax seed. A. June, July. LEA. 1. Towing-path between Stanstead and Ware, T.F. Near the Horns Mill, Brickendon, 1839; by the Hertford Lock, 1840. Like most annual introduced plants this is uncertain.


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