"i 



VI. CKUCIFER^: ALYSSINE^. 



81 





Drdba.'] 



ing rocks on Ben Lawers, above the lake. ©. 3— 6. — The var. ^ 

 is a very singular one, found by ourselves and others, for many years, 

 in the above locality, and never seen to vary : the pouch is as much 

 inflated as that of Subularia. 



'^'Hsol ** Petals slightly emarginate, yellow. Style elongated. Aizopsis Z)C. 



2. D. aizoides L. {yellow alpine W.); scapes leafless glabrous, 

 netals twice the length of the calyx, leaves lanceolate rigid 



^ '-^ E.B.t. 1271. 



s, "2;. 3,4. — Remark- 

 able for its bright yellow flowers and glossy leaves margined with 

 hairs. The cultivated plant of this name is a variety with the stamens 

 constantly scarcely longer than the calyx, and is D. brachystemon DC. : 

 the Welsh plant has the stamens the length of the petals, as in 

 wild Continental specimens, and the pouch glabrous. 



0- 



3 



'from ; 



lordei 

 'otacj 



glossy keeled and ciliated. 



Walls and rocks near Swansea, S. Wal 



). & 



1 gari 

 1, JIou: 

 hat m 

 appreii 

 I plant 

 th serf! 

 have K 

 e mi 



jh spefi 

 with s» 



proces 



t calyJ' 



sail' 





■ S0: 



ds;* 





I 



*** Petals sUghthj emarginate or entire, white. Style very short. 



3. D. rupestris Br. {Rock W.) ; scape leafless or with rarely 

 one leaf, pouch or pod oblong-oval, leaves plane lanceolate 

 hairy. D. hirta E.B. t. 1338 (not Linn.). 



Mountain summits; rare. Ben Lawers, Cairngorm, and Ben 

 Hope; Scotland. %. 7. — The slender perennial root penetrates 

 deep among mosses and the crevices of rocks, bearing above many 

 short branches, each crowned with a tuft of lanceolate, soft, plane, en- 

 tire, or rarely obscurely toothed, hairy leaves; their margins ciliated ; 

 the hairs mostly simple, sometimes branched, on the surface not un- 

 frequently stellate. Scapes several from the same root, 1 — I2 inch 

 high, slender, simple, stellato-pubescent. Pedicels short pubescent. 

 CaL mostly downy. Pouch oval-oblong, pubescent. In cultivation 

 the leaves become more glabrous, the hairs on the margin longer and 

 more rigid, and the scape 3 — 3 J inches high. 



4. D. incmia L. (twistecUpodded W). ; caullne leaves several 

 lanceolate toothed hoary with starry pubescence, pod oblong- 

 lanceolate somewhat twisted, E.B. t. 388. 



Mountain rocks, In much less elevated situations and far more fre- 

 quent than the last; in Wales, the N. of England, and Scotland. $. 

 6, 7. — Stem 4—6 inches to a foot or more high, sometimes throwing 

 out lateral branches. Lower leaves frequently entire, upper ones 

 deeply toothed, almost cut, acute. Pods erect, mostly glabrous. 



5. D. murdUs L. (Speedwell-leaved TF.) ; stem branched, 

 leaves ovate obtuse amplexicaul toothed, pouch patent glabrous. 

 E.B.t. 912. 



Limestone mountainous countries, on rocks and walls. Craven, 

 Yorkshire; Wardon hills, Bedfordshire; Emborough, Somersetshire. 

 About Forfar, Edinb., and Chelsea, where it has escaped from 

 gardens. Elarnpv Casitlp. Trplanrl. r?i. 4. .'>. — Six inches to one foot 



)ii 



sbel^ 



liiigh. 



Blarney Castle, Ireland, ©. 4, 5. 

 Leaves scabrous. Pouch elliptical, shorter than the pedicel. 



c 4 



