132 x. CRUCIFER^:. (Hook. f. & T. Anderson.) [Parrya. 



margins ; petiole long, base sheathing. Scapes pilose, thick, sometimes bearing 1 or 2 

 small leaves. Pods f-l in., tapering into the short thick style ; valves thin, convex, 

 not veined, midrib distinct. Seeds few. 



4. P. lanuginosa, //./. & T. Journ. Linn. Soc. v. 136; leaves spathu- 

 late coarsely toothed, scapes woolly 8-1 2 -flowered, pods ovate-lanceolate, 

 seeds not winged 



WEST TIBET; in Gugi, alt. 17,500 ft., Straeh. & Winterb. 



Small, densely woolly. Scapes erect, 2 in. ; tlu\\vrs Muall, racemose. Sejwls spread- 

 ing, woolly. Petals broadly spathulate, undulate or crisped. Pods acute, about f in., 

 outline waving ; septum very narrow, sometimes 0. 



3. CHEIRANTKUS, Linn. 



Hoary herbs, or undershrubs, with appressed bipartite hairs. / 

 oblong-linear, entire or tootla-d. Flwrr& la rye, yellow or purple, racemed. 

 ,v/ r//.s erect, lateral saccate at the ba~ '.< clawed. /W 4-angled, 



compressed; valves 1 -nerved ; septum membranous Btigmatic-lobes snort, 

 spreading. Seeds 1-seriate, flattened, without a border ; cotyledons acctun- 

 bent, very rarely incumbent. DISTRIB. Species about 12, natives of temp. 

 Europe, N. Africa, W. Asia, and arctic America. 



The Wall-flower, C. Cheiri, is cultivated in gardens in N. India, but is not indigenous. 



1. C. parryoides, Km-z. in**, (name only) ; hoary, leaves linear-oblong 

 entire all radical, flowers purple, style in. 



\YKST TIBET ; in Spiti, XtnU.-.hi. 



Rootstock covered with withered petioles. Leaves all radical, 2-3 in., rounded at 

 the tip, clothed with fine dense toim-ntum. $mjnx about (1 in., niauy-flowcn'd, don- 

 gatini; duriiii; llowL-ring. / \ dials '+-\ in., cruel, tuiiu nto , in., hairy, purple, 



with a glabrous narrow membranoni fringe. J\t<iln ^ in., claw and base of tne blade 

 dark purple. Pods (immature) curved and undulate, densely tuintntosi- ; style 1 '._. in., 

 glabrous. 



2. C. himalayensis, Cftmb. in Jacq. Voy. Bot. 14, t. 13 ; leaves linear- 

 spathulate entire lobed or rarely suhpinnatitid, flowers violet orpurpliah, 



pods hairy, stigma sessile. C. himalaicus, //. /. <(' T. ./num. Linn. 

 337. 



\\'I:.ST TIBET ; amongst rocks and loose stones, alt. 15-17, 000 ft. 



Rootstock much divided. Stems 2-6 in., numerous, leafy, tomcntose. Leaves some- 

 what tutted. Flowers numerous, in rather dense terminal racemoflf heads, fn 



-.-hurt, lanceolate, obtuse, lateral scarcely saccate at the b . ]',i<il* t 

 length of the sepals, broadly spathuiate retuse. Puds ^-KJ, in., linear, com}, 

 valves with thickened margins. Seeds numerous, sub-2-seiiatu. 



3. C. Stewartii, T. Anders.; leaves spathuiate toothed at the tip, 

 flowers buff then purple, pods glabrous, stigma sessile. 



WKST TIBET, near Ladak, at 15-16,500 ft. elevation, Si<:n-nrt. 



Like the preceding but differing in its glabrous p<> i divided leaves. Stems 



mimerous, slender, erect in flower, depressed and spreading in fruit. Lower leaves 

 |-1 in., subcoriaceous, woolly ; upper smaller, linear, entire. Racemes terminal, sub- 

 capitate, fruiting 3 in. Sepals oblong, T \j- in. Petals ^ in., broadly .spathuiate. 

 Pods 1-14 by in., erect, secund, linear, tapering at both ends ; valves flat, lu-rli 



broaa; midrib and reticulated veins distinct. Seeds small, ovate-oLloug, sub- 

 2-seriate* Cotyledons accunibeut. 



