144 x. CRUCIFER.E. (Hook. f. & T. Anderson.) [Draba. 



VAR. 1. TJiomsonii, H. f. & T. I.e.; leaves laxly or scarcely tufted hoary and tomen- 

 tose, pods linear-lanceolate not twisted, style short and stout. Zanskar, Thomson. 



VAR. 2. sikkimcnxia, H. f. & T. I.e.; leaves closely tufted except in very luxuriant 

 young shoots very woolly, pods long linear-lanceolate or short aiid elliptic twisted, style 

 long slender. Slkkim at 16,000 ft., H.f. 



SECT. IV. Dratoella, Annual. Scapes or stems leafy. Flowers white or 

 yellow. 



9. 1>. muralis, Linn.; stellately hispid, stems filiform flexuous, eauline 

 leaves broad elliptic-ovate coarsely toothed, petals white minute, fruiting 

 racemes very long, pods horizontal oblong or elliptic on long capillary 

 spreading pedicels. Boiss. Fl. Orient, i. :jo^. 



KASHMIR, alt. 5600ft. Disiun;. Asia Minor, X. Africa, Europe. 



An erect, simple or branched very slmder annual ; rather rough with short simple or 

 forked hairs. Itadicnl l< (tr<* \ .', in., few, rosulate, obovate, entire or toothed; eauline 

 few ses- i or not. ftOttttrt in a short racem,-. /'/rt/x small, narrow, entire, 



white. Pod* raceincd, ^-4 in., quite Hat, glabrous or scalerulous, stigma subsessile. 

 Seeds about 12. 



10. D. ellipsoidea, //../'. <f- T. in Jntn-n. Linn. Soc. v. 153; stems 



flexuous prostrate short interlaced, leaves toothed, llowers minutu white, 

 fruiting racemes very short, flowers minute white, puds elliptic-oblong very 

 flat obtuse, stigma sessile. 



SiKKiM-HiMAi.AYA, a wred in rsulisli fiulils, alt. J 5-1 6,000 ft., H.f. 



Much depressed, hairy, leafy. /.<<///.-, \ L in., linear- oblong. /'<>J* raermcd. 



Mjualling or shorter than thrir curved pedicels, Hat, stellately pubeBCent; sr 

 l>ill'ers remarkably from D. muralis in its habit, ilcxuoua branches, and short fruiting 

 racemes. 



11. D. linearis, 71' >i**. /'// Ann. S,>. X.it. S,'r. 2, xvii. 167; FL Ori<nt. 

 i. -2(i:i; stem simple erect, leaves entire or nearly so, flowers rather l,iru r <- 

 white, fruiting rureme> long, pods erect linear. D. stenocarpa, //._/. 

 Jount. L'Hit. ^c. v. 1 .";j. 



l>i< Kirim in temperate WESTERN TIBET, Winterlottom. DISTRIB. Mountains of 

 Persia. 



titcm 0-1 '_' in.. BCaberuloos. Hudictd h-are* rosulate, linear-oblong or obovate, thickly 



; with forked hairs ; eauline 2 5. J'< /<//.-. narrow-cuneate, entiro. Pods ' 

 in long racemes, on slender smooth aseending pedicels, tapering at both ends, straight ; 

 stigma sessile. Seeds many. Near 1>. muralis but .stiller, with much lont:< 

 racemed pods. 



12. D. gracillima, //. /. < T. Jom-n. I, inn. 8<>c. v. 153; hoary, scapes 

 or stems many weak ascending, leaves sub-entire, flowers small yellow, ra- 

 cemes long, pods linear erect. 



Temperate SIKKIM-HIMALAYA, alt. 10-13,000 ft,, //./. 



Mi Hta 4-12 in. Radical leaves spreading, spathulate ; eauline few, near th 

 sessile, ovate. Scopes numerous, filiform, llexuous. Pods 4 in., erect, tapering at. both 

 ends, compressed, straight or curved, glabn-us; racemes occupying almost the whole 

 length of the stem; pedicels A in., filiform, spreading or dellexcd. the lowest often twice 

 the length of the uppermost. Seeds numerous. 



14. EROFHXLA, DC. 



Small, delicate annuals, with entire spreading root-leaves. Flowers usually 

 small, white, on slender scapes. Sepals erect, equal at the base. Petals 



