Sisymbrium.] x. crucifer^. (Hook. f. & T. Anderson.) 149 



celled, pods stra^gM; terete torulose. Led. Jc. Fl. Boss. t. 147 ; H.f. & T. 

 J own. Linn. Soc.y. 163. 



Westekn Tibet, alt. 12-15,000 ft., Winterhottom, &o.— Distrib. Siberia, Arctic 

 America. 



Subhispid, boa'ry, rarely green and glabrous ; rootatook woody. Stem 1-8 in., decum- 

 bent or ascending, simple or branched. Badical leaves J-1 in,, many, crowded, sinuate- 

 toothed or entire, cauliue small. Floioers rather large, white or lilac. Sepals eiect, 

 pubescent or glabrous. Pods J-1 in., pedicels short erect, cylijidric, subhispid or gla- 

 brous, veins obscure. 



8. S. strictum, H. f. <& T. Jowrn. Linn. Sue. v. 161 ; annual, erect, 

 hoary, leaves linear-oblong sinuate- toothed, cauline sessile, pedicels slender, 

 pods erect curved terete slender glabrous, valves costate. Malcolmia stricta. 

 Comb, in Jacq. Voy. Bot. i. 16, t. 16. 



Western Himalaya, from Kumaon to Kashmir, alt. 5-10,000 ft. ; Western Tibet, 

 Winterhottom, Falconer. 



Stem 9-24 in., simple, rigid, scabrous. Leaves 1-1| in. long, lower narrowed into a 

 short petiole ; npper gradually diminishing along the stem, lanceolate, subentire. 

 liacemes at first dense, elongate and lax in fruit. Flowers small, pale rose-coloured. 

 Poda 1-2 in., narrow, on spreading or ascending pubescent pedicels 4 in. long ; valves 

 convex, with a prominent midrib ; style short, tapering. 



9. S. axillare, H. f. & T. Joiim. Linn. Soc. v. 162 ; small, annual, 

 depressed, leafy, radical leaves spathulate lobed or toothed, cauline sessile, 

 flowers white bracteate, pedicels slender, pods very slender, valves nerveless. 

 Grif. Itin. Notes 195, No. 1074. 



■ BaoTAN, on dry rocks and walls near Chupoha, alt. 8000 ft., Griffith; inner ranges of 

 Sikkim, alt. 8-10,000 ft., .ff./. 



Diffuse, slender, subhispid or tomentose, branches prostrate leafy 3-6 in. long. 

 Radical leaves shortly petioled, 1 in. long; cauline ^-f in., ovate or oblong', rounded at 

 the tip. Flowers rather large, solitary in the axils of the upper leaves ; fruiting raceme 

 elongate, lax, leafy; pedicels long, spreading or ascending. Pods \ in., terete, Straight 

 or slightly curved; subtoruloae. — The Bhotan and Sikkim specimens agree in all essen- 

 tial characters, but the Bhotan ones from growing in a dry situation are smaller and 

 much more hoary than those from Sikkim, where they were found in shady forests, 



*** Leaves pinnatifid. 



10. S. Wallicliii, H. f. & T. Journ. Linn. Soc. v. 158; perennial, his- 

 pidly hairy, radical leaves small runcinately lyrate, flowers small white or 

 rose, pedicels filiform, pods long very slender. Arabis? leptocarpa. Wall. 

 Cat. 4784. 



Dry parts of the Western Himalaya, from Kumaon to Kashmir, alt. 5-7000 ft. , 

 Salt Eakbe, Stewart. — Distkib. Affghanistan. 



Stem 6-18 in., rough and hairy, especially near the base, with simple forked and 

 stellate hairs, slender, erect. Badical leaves 1-3 in., crowded, spreading ; terminal lobe 

 large; cauline few, short, 4-14 in., linear-lanceolate, pinnatifid or almost entire, 

 Flowers white, changing to pale pink. Fruiting racemes long, lax, terminal ; pedicels 

 i-1 in., spreading. Pods 2-34 in., spreading, curved, glabrous ; valves slightly convex, 

 midrib distinct ; style short, tapering. 



11. S. minutiflorum, H. f. & T.. Journ. Linn. Soc. v. 158; annual, 

 puberulous, very slender, much branched, leaves pinnately cut into few 

 linear segments, flowers minute white, pods small narrow, stigma sessile. 

 £oiss. Fl. Orient, i. 215 ; Grig. Itin. Notes 314, No. 1166. 



. Zanskar in Western Tibet, Thomson. — Distrib. Affghanistan. 



L Stem 2-9 in., stellately hairy, tortuous. Leaves small, thicu. Flowers in numerous 



