32 6. CBTTCIPEB^. 



Alysmm Sm.— St. railier woody below. Fl. white, sweet- 

 scented. — Naturalized near the sea. P. VIII. IX.} J5. 



18. DeVba Ldnn. Wiitlow-grass. 



, 1. D. aizmdes (L.) scape leafless glabrous, /. linecer rigid sxute 

 keeled fflabrous ciliate, stam. equalling the slightly notched 

 petals, style as long as the breadth of the pouch. — R. ii. 16. — 

 PI. bright yellow. L. fringed with rigid hairs, densely collected 

 into cushion-like tufts. — On rocks and walls at and near Pen- 

 nard Castle near Swansea. P. III. IV. E. 



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

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

 the slightly notched petals, style short. — 2). MrtaByn. — 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 Highland mountains, rare. P. 

 vn. , , E. S. 



8. D. inedna (L.) ; stem-l. several, 1. lanceolate stellately pu- 

 bescent toothed, pet. twice as long as the calj\!6, pouch longer than 

 its pedicel twisted, style very short. — JB. ii. 14. — 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 D. contoHa (Ehrh.), st. simple or branched only 

 at top densely leafy, pouch glabrous ; and the more alpine state 

 D. ccmfusa, (Ehrh.), st. branched only near its base, L mostly 

 rosulate, pods with stellate down. — Mountains. Sand-hiUs by 

 theseainIslay,S. P.VI.VIL E. S. I. 



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

 toothed hairy, pet. " entire, pedicels spreading horizontally 

 rather longer than the alabrous^o?<cA. — R. ii. 12. — ^Pouch elliptic. 

 St. 5 — 12 in. high. Fl. white. Pubescence branched. Root- 

 1. narrowed below. — Limestone mountains. A. IV. V. E. S. L 



5. D. ver'na (L.) ; scape leafless gla:brous above, 1. lanceolate 

 acute narrovred below haii-y, pci. deeply claren, pouch oblong 

 shorter than its pedicel. — R. ii. 12. — Pouch coiupressed, acute- 

 pr rounded at the end, often rather inflated. Fl. white. L. 

 entire or toothed. Scape sometimes rather pilose. — Twenty 

 forms are figured as species in Jordan's Icones. — Very com- 

 mon on walls, banks, &c. A. III. — V. Common Whitlow-grass. 



. E.S.I. 

 19. Cochle.4.'ria Linn. Scurvy-grass. 



1. C. officinSis (L.) ; radical 1. cordate-reniform stalked, stem- 

 l. sessile oblong sinuate semiamplexicaul, pouch globose or ohovoid. 

 — Petioles long. Lower 1. entire or sinuate. Seeds large. Style 



