CAPSELLA. ISATIS. 
31 
nutncvous, small, in comjiound leafy ])anicled clusters. St. 3 feet 
hij'h, erect, branched. L. large, the lower ones upon long stalks, 
tlie upj)cr nearly sessile and naiTowcr. — In salt marshes and 
sandy places near the sea. — P. VII. VIII. 
29. Capsella Vent. 
1. C. Bursa-pastoris (DC.); radical 1. lanceolate pinnatifid or 
undivided toothed, uj)j)cr 1. undivided, pouch triangular-obcordate. 
— Thlaspi Sm., E. B. 14S5. R. 4229. — Vaiying greatly in the 
form and divisions of its leaves hut easily known hy its peculiar 
pouches. — A common weed. A. III. — X. Shepherd's Purse. 
Tribe IX. Subulariere. 
30. Subularia Linn. Awl-wort. 
1. S. aquatica (L.) — E.B. 732. R. 4232. Hook. Land. 135. — 
Cotyledons only once folded, hut they are in a continuous straight 
line with the rachcle and then curved hack upon themselves above 
then- base, therefore incumbent not bicrures. Plant small, sub- 
aqueous. L. linear-subulate, radical. Root of numerous long 
white fibres. FI. small, often perfected under water. — Margins 
of alpine lakes. P. VII. 
Tribe X. Senehiereee. 
31. Senebiera Cand. 
1. S. Coronopus (Poiret); pouch undivided reniform crested 
with little shaqi points, style prominent, 1. pinnatifid. — E. B. 
1660. R. 4210. St. much branched, prostrate. FI. small, white, 
in lateral clusters. Pouches large, in dense clusters. Cotyledons 
in this and the following species forming a slight angle with the 
radicle, then curved back upon themselves and afterwards their 
points parallel to the radicle ; therefore the bend is above the 
base of the cotyledons, not at their base as is usual in CrucifertB. 
— Waste ground, common. A. VI. — IX. 
2. S. didyma (Pers.) ; pouch notched of two wrinkled lobes, 
stjde extremely short, 1. pinnatifid. — E. B. 248. R. 4209. — St. 
spreading, prostrate, a foot or more in length. FI. small white 
in long slender lax clusters. — Waste ground near the sea in the 
south and south-west. A. VII. — IX. E. I. 
Suborder IV. Nucumentacece. Tribe XI. Isatidece. 
32. Isatis Linn. 
fl. I. tinctoria (L.) •, “ radical leaves copiously crenate, those 
of the stem entire, pouch abrupt smooth thrice as long as broad.” 
