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160 X. CRUCiFER^. (Hook. f. & T. Anderson.) [Zepidium. 



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Cultivated throughout India and Western Tibet. 



A glabrous erect annual, 6-18 in. Badical leaves long-petioled ; cauline sessile and 

 usually entire. Flowers small, in long racemes, white. Pods deeply notched; pedicels 

 appressed. — ^Not known in an indigenous state. 



Sect. II. Cardaria. Pod transversely oblong, tip entire ; valves turgid, 

 wingless. 



2. Zi. Draba, Linn, ; pubescent, perennial, leaves oblong repand-toothed, 

 Tipper with sagittate auricles. H,f, & 1\ in Journ. Linn. Soc. y. 173. h* 

 chalepense, Sdtrenh^ and L. repens, Boiss. FL Orient i. 356. 



A weed of cultivation in tlie Punjab. — Distrib. Westwards to Europe. . , 



Stem 1-3 ft., simple or branched, flexuous. Leaves 1-3 in., lower petioled, upper with 

 conver^ini^ auricles. Flowers i in. diam., white, in branched panicles. Pod J in-» 

 de'.toid with rounded angles, constricted between the papillose valves, of which one is ouen 

 imperfect ; pedicels spreading. V 



Sect. III. Ziepidiastrum. Pod elliptic or ovoid, tip entire ; valves 

 wingless. 



3. Ii. latifolium, Linn,; perennial, erect, glaucous, radical leaves 

 oblong serrate, pod ovoid. H.f. <Sc T. in Journ, Linn. Soc, v. 173. 



Wkstern Tibet, abundant. Distrib. Europe, N. and W. Asia, N. Africa. "_ ^; 

 An erect, branched, glabrous or pubescent leafy almost shrubby herb, 2-4 ft. hign. 

 Badical leaves petioled, oft.n 1 ft. long, upper cauline sessile. Flowers minute, ^n snort 



densely panicled bracteate corymbs. Pods ^\ in. bmg; pedicels short, spreadmg. ' 

 Var. PLATYCAhPA, Ttautv. ; leaves rather fleshy entire indibtlnctlv S nerved^ flowers 



capitate, pods orbicular slightly pilose and reticulate. — Western Tibet, Thomson^ 

 Stewart, ; 



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Sect. IV. Dileptium. Fod elliptic or oblong, tip retuse or notched ; 



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valves keeled, wingless or winged at the tip only. 

 4. Ii. ruderale, Linn,; annual, lower leaves 2-pinnatifid, flowers ape- 



talous diandrous, pod orbicular-obloug flat, valves winged at the tip. -";/" 

 <{r T. Journ, Linn, Soc. v. 175. ' 



Temperate Western Tibet, alt. 7-13,000 ft., Thomson,— Distrib. Westward tlirougB- 

 out Europe. |« 



Erect or diffuse, glabrous or pubescent. Badical leaves much dividel, s^^^? 

 narrow ; upper cauline linear, entire. Flowers minute in terminal and lateral corym ■ 

 Pod i\ i^a in. ; pedicles slender, diverging. Seeds compressed. 



5. 1.. capitatum, //. /. <{r T. in Journ. Linn, Soc. v. 175 ; P^^^.^.^^!' 



flowers tetrandrous in dense lateral capitate"^ racernes7 podfs of L. rnderaU- 



leafy, leaves sessile upper cuneate-oblong toothed beyond the m] 



L. incisum, Edgew.in Trans. Linn. Soc. xx. 33 (not o/Ledcbour). 



■1 "n. 



balpine Himalaya, from Sikkim to Kumaon, alt. 10-14,000 ft- . 



dular-pubescent; branches 6-8 in., stout. Badical '^«?^* , jq, 

 petioled, pinnatisect ; lobes oblong. Pptnh smmnKr ovo-./iJi'nrr +Ti« aonn.U. Pods i? 



Temperate and sub 

 Glabrous or gland 



J. Petals scarcely exceeding the sepals. P^^^ ^K'^^ 

 ovate, scarcely notched; Vidves keeled, wingless, sessile. Seeds mucilagino"^ ^ 

 moistened. 



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30. DZZ.OPUX A, Thorns. 



ci A dwarf glabrous fleshy herb, with a long tapering perennial root, ^^ 

 tufted spathulate or linear, entire or toothed leaves* Flowers numerous, siu* 



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