,] X. CBUCIFER2E. (Hook. f. & T. Andei'son.) 155 



23. BXtAYA, Sternb. & Hoppe. 



Small tufted glabrous or hoary pubescent alpine perennials, with, a 

 btanching rootstock. Leaves mostly radical, spathulate or linear, entire or 

 toothed. Flowers purple, rose-coloured or white, solitary or racemed. Sepals 

 short, equal at the tsase. Pods ovate-oblong or linear, subcylindric or 

 slightly compressed ; valves convex, 1-nerved ; style short or long ; stigma 

 capitate. /Sfeerfs usually 2-seriate, few or many ovoid, wingless. — Disteib. 

 Species 12, alpine and arctic regions, the Andes. 



_ 1. B. unlflora, H.f. & T. in Journ. Linn. Soc. v. 168 ; glabrous, leaves 

 linear-spathulate quite entire, scapes short l-flowered. 



Western Tibet; in Nubra, alt. 15-17,000 ft., Thomson. 



Eootstock stout, fleshy, covered with bleached petioles, branched at the crown. 

 Leaves fleshy, 1 in., petioled. Scapes many, about equalling the leaves. Pods linear, 

 |-4 in. ; septum 2-nerved ; style short. Seeds sub-2-seriate, many. 



2. B. alplna, Stemh. & Hoppe; glabrous, leaves linear-spathulate, 

 flowers capitate. Ddess. Ic. Select, n. t. 22. B. Thomsoni, H. f. in Journ. 

 Linn. Soc. v. 168. B.1 oxycarpa, H.f. S T. I.e. 169. 



_ Western Tibet ; Piti, alt. 12-13,000 ft, rAomsoB, /SieworJ.— Distkib. European 

 high Alps, arctic regions. 



Boot stout, fleshy, long. Leaves tufted, J in. Scapes l-i in., leafless, or with few- 

 linear leaves. Flowers white or purple ; pedicels | in. Itods erect, linear- or elliptic- 

 lanceolate, straight or curved, acute, glabrous ; style usually long and slender. Seeds 

 lT-2-8eriate. — Very variable ; the arctic American B. glabella is hardly distinct from it. 



3. B. rosea, Bunge ; Led. Fl. Ross. i. 194 ; glabrous or puberulous, 

 leaves narrowly linear-oblong, flowers crowded corymbose, pods very short 

 elliptic. H. f. (fc T. in Journ. Linn. Soc. v. 169. 



Alpine Himalaya, from Sikkim to Kunawub, alt. 15-17,000 ft. ; Westekn Tibet, 

 alt. 14-18,000 ft.— DiSTKiB. Altai Mts. and arctic Siberia. 



Very similar to -B. alpina, differing chiefly in the shorter pods (f-^ in.), and leafless 

 scapes. Seeds 8-12 in each capsule ; style variable in lengtU. 



4. B. tlbetlca, H. f. & T. in Jowm. Linn. Soc. v. 168 ; hoary or pu- 

 bescent, leaves narrow-linear, scapes naked, flowers subcapitate, petals 

 minute, pods short ovate. . , 



Western Tibet; alt. 13-18,000 ft., rAomsore. . 



Rather rigid, purplish; rootstock much divided, clothed with withered petioles. 

 Leaves erect, rarely spathulate, with 2-3 spreading teeth about the midrib", marpns 

 oiliate, rarely glabrous. /Scapes malny, 2-24 in., rarely 1-leafed. -SepaZs ■ hairy, edges 

 membranous, white or red. Petals hardly exceeding the sepals. Pods J in. long, rarely 

 glabrous ; style loug. 



24. BBASSXCA, Linn. 



Glabrous or hispid herbs ; rootstock often woody. Leaves large, pinna- 

 tifid or lyrate, rarely entire. Flowers yellow, in long racemes. Sepals erect 

 or spreading, lateral usually saccate at the base. Pods elongate, terete or 

 angtdar, often with an indehiscent 1 -seeded beak; valves convex, \-&- , 

 nerved, lateral nerves flexuose; style beaked or ensiform ; stigma truncate 

 or 2-lobed. Seeds l-seriate, globose or subcompressed : cotyledons incum- 

 bent, concave or conduplicate, the radicle within ^^^ longitudinal told.— 

 DisTEiB. Species about eO ; temperate regions of the Old World. ; 



