162 x. CRUCIFERJE. (Hook. f. & T. Anderson) [TMaxpi. 



style short or long. Seeds 2 or more in each cell, not winged ; radicle ac- 

 cumbent. DISTKLB. Species about 30 ; natives of temperate Europe, Asia, 

 and N. America. 



1. T. arvense, Linn. ; glabrous, annual, erect, leaves obovate oblong 

 toothed, cauline amplexicaul, seeds concentrically grooved. //./ cfc T. 

 in Journ. Linn. Soc. v. 176. 



A weed of cultivation throughout the temperate and subalpine HIMALAYA, ascending 

 to 14,000 ft. DISTRIB. Europe, Asia^always in cultivated pla 



Stem 6-18 in., simple or corymbosely branched above. Radical leaves petioled, soon 

 withering; cauline 4 in., oblong-lanceolate, usually acute, toothed; auricles sagittate. 

 Fruiting racemes elongate; pedicels spreading, a little longer than the pods. J'o./s 

 - in. diam., much flattened, obovate-orbieular, wing very broad, notch deep, some- 

 times closed by the overlapping of the sides. /Seeds 5-6 in each cell. 



2. T. cardiocarpum, //./. <(' T. /// J<mi. Proc. Linn. ,SV. 170 ; annual, 

 erect, leaves broadly oblong obscurely toothed, cauliue amplexicaul, seeds 

 smooth. 



KASHMIR, alt. 5-9000 ft. DISTRIB. Afghanistan. 



Slightly glaucous, less robust than the preceding. Stem 6-12 in. ; branches basal, 

 few, tall, erect. Radical leave* shortly petioled; cauline ovate or oblong, obtuse, erect; 

 auricles broadly sagittate. Itacemes elongate in fruit, pedicels | in. 7W.s broadly 

 notched at the tip; valves with a membr&uooJ reticulated wing, broad and rounded 

 above. Seeds 4-5 in each cell. Closely allied to and perhaps identical with T. Kots- 

 chyanum, Buiss., of which we have not seen ripe fruit. 



3. T. alpestre, Linn. ; perennial, tufted, radical leaves oblong or 

 ovate, cauline cordate ampli-xicaul, pods triangtdw-obcordate, seeds smooth. 

 H.f. & T. in J mint. tnfl ,W. v. 177. T. cochleariforrne, DC. T. Grif- 

 fithianum, Boiss. Fl. Orient, i. 329. 



Temperate and subalpinc HIMALAYA and WESTERN TIBET from SIKKIM to KASHMIR, 

 alt. 7-12,000 ft. ; in Sikkiin only on the dry inner ranges. DISTRIB. Alps of Eun >]><, 

 Asia, America ; Andes. 



~ /v, /// \ r_> in., still', glabrous, somewhat glaucous, erect, simple or branched. Root- 

 stock often branching and shortly creeping near the surface. Jtmlicdl leaves sometimes 

 almost orbicular, cauline oblong or obovate-omlate ; auricles small obtuse. Flowers 

 ratlin- large, white ; racemes much el.. united in fruit; peilirels horizontal, as long as 

 the pods. Pods \ in., narrowed at the base, 1. madly not deeply notched; valves com- 

 pressed, wing very narrow below, broader above; angles rounded, outer often sharp ; 

 style equalling the notch or projecting beyond it. Seeds 4-8 in each cell. 



4. T. cochlearioides, II. f. & T. in Journ. Linn. Soc. v. 177: small, 

 decumbent, glabrous, perennial, radical leaves very long-petioled orbicular- 

 ovate, scape flexuous decumbent few-flowered, pods oblong curved and 

 twisted. 



Interior of the Sikkim Himalaya, alt. 14-16,000 ft., H.f. 



Somewhat fleshy. Roctetotk slender, branching above and sparingly covered with 

 the fibrous bases of the old petioles. Stems few, 1-2 in., weak, decumbent or suberect, 

 with 2 or 3 small sessile ovate leaves. Radical leaves loosely tufted, petioles 

 slender, slightly toothed, under side pitted. Flowers small, white, in a short corymb. 

 Pods \ in., racemose, emarginate; valves compressed, narrowly bordered; style short, 

 sleuder. 



33. XBERXDEXiXiA, Boiss. 



Glabrous herbs or small undershrubs, branching from the base. Leaves 

 alternate, rarely opposite, upper generally amplexicaul with sagittate auri- 



