ALVSSUM. DKABA. 31 



cence, 1. obovate-lanceolate attenuate below, pods orbicular 

 stellate-pubescent, calyx persistent, filaments all toothless, 

 shorter ones from between 2 setaceous processes. — E. B. S. 

 2853. n. ii. 18.— Cells of the pod 2-seeded. Pet. yellow, be- 

 coming at length white. — Grassy commons, S. ; ploughed land, 

 E. A. V. VI. E. S. 



\_A. marit'imum (L.) ; procumbent, hairs bipartite, 1. linear- 

 lanceolate acute, cal. deciduous, pods oval pointed glabrous. — 

 E. B. 1729. R. ii. 18.— St. rather woody below. Fl. white, 

 sweet-scented. — Naturalized near the sea. P. Vin. IX.] E. 



16. Dra'ba Linn. Whitlow-grass. 



1. D. aizoides (L.) ; st. leafless glabrous, 1. linear rigid acute 

 keeled fflabrous ciliate, stam. equalling the slightly notched 

 petals, style as long as the breadth of the pouch. — E. B. 1271. 

 M. ii. 15. — Fl. bright yellow. L. fringed with rigid hairs, 

 densely collected into cushion-like tufts. — On rocks and walls 

 at and near Pennard Castle near Swansea. P. HI. IV. E. 



2. D. rupes'tris (R. Br.) ; st. leafless or with 1 or 2 leaves 

 pubescent, I. lanceolate flat stellately pviescent, stam. shorter than 

 the slightly notched petals, style short. — D. hirta Sm. E. B. 

 1328. — Pouch long-oval, slightly hairy. St. very short, 

 branched, each branch bearing a dense tuft of leaves and 1 — .3 

 short scapes. Fl. small. L. mostly entire. — Tops of the Scottish 

 mountains, raae. Ben Bulben, I. Dr. D. Moore. P. VII. 



S.I. 



3. D. incdna (L.); stem-l. several, 1. lanceolate stellately pu- 

 bescent toothed, pet. twice as long as the calyx, pouch longer than 

 its pedicel twisted, style veiy short. — E. B. 388. R. ii. 1-1. — 

 Pouch nearly or quite glabrous, erect, lanceolate-oblong. St. 

 4 — 12 in. high, simple or branched. Fl. white. — Extreme forms 

 are often taken for species, as E. contorta (Lhrh.), st. simple or 

 branched only at top densely leafy, pouch glabrous, and the 

 more alpine state E. confitsa (Ehrh.), st. branched only near its 

 base, 1. mostly rosulate. pods with stellate down. — Mountains 

 and sand hills" by the sea. P. VI. Vn. E. S. I. 



4. 7>. murdlis (L.) ; st. leafy branched, 1. ovate amplexicaul 

 toothed haiiy, pet. " entire," pedicels spreading horizontally 

 rather longer than the glabrous ^oacA. — E. B. 912. M. ii. 12. — 

 Pouch elliptic. St. 5—12 in. high. Fl. white. Pubescence 

 branched. Root-1. narrowed below. Limestone hills. A. 

 IV. V. E. S. I. 



5. 2). ver'na (L.) ; st. lecfless glabrous above, 1. lanceolate 

 acute narrowed below haiiy, pet. deeply cloven, pouch oblong 



