

136 



X. CRUCiFERJE. (Hook, f. & T, Andersou.) 



[AroMs, 



A. albida, Stev.; DC, Lc. 142. A. pterosperma, Edgev;. in Trans. Linn. 

 Soc. XX, 33, . , 



Western Himalaya, from Kumaon to Marri, alt. 5-12,000 ft.— Distrib. Alpine and 



arctic Europe, Asia, N. America, ALyssmla. 



Stems simple, or slightly braoched. Leaves oLlong-lanceolate, obtuse, seldom entire. 

 radical spreading, petioled; cauline sessile. Flowers ^ in. diam., white, ^epais 

 glabrous. PefaZa spathulate, Tvith long claws. Pods 14-24 in., narrow-linear, J^i 

 when yonnfT, often spreading when ripe ; pedicels slender, glabrous or haiij. 

 Indian specimens differ from the more western in the glabrous sepals. 



4. A. amplexicaulis, Edgeto, in Trans. Linn. Soc, xx. 31 ; hispi(Hy 



Eilose, leaves coarsely toothed, cauline with obtuse basal auricles, po^ 

 orizontal or drooping, flowers large. H./. & T. in Joiim. Linn. Soc, v. 14z. 



Western Himalaya, fr^m Kumaon to Kashmir, alt. 4500-9000 ft. li >, ri 



A perennial resembling A. alpina, but larger, more robust, leaves broader, and no ■ 

 zontal on almost drooping pods. Stem 6-24 in., suberect, simple or slightly brancnea, 

 hirsute, especially below. Radical leaves 14-4 in. long, obovate-oblong ; cauline s^^^' ^: 

 Racemes long, lax, many-flowered. Flowers white. Pods linear, acute; style slenae 

 elongated. Seeds larger than those of A. alpinUf wingless. 



*** Cauline leaves many (few in A. taraxicif olia\ poi auricled at the 

 base. Flowers racemed. Pods glabrous. Seeds 1-seriate. 



6. A. tibetlca, E.f. d: T. J<mm. Linn. Soc. v. 143 ; perennial, stellately 

 hairy, leaves lobed or toothed, flowers small, pods suberect falcate. A- 

 Thomson!, II, f. I.e. 



In Kashmir and Western Tibet, alt. 9-16,000 ft. T. T., &c. . . . 



Stems 4-8 in., numerous, suberect, branched, leafy. Radical leaves rosulate, petioiea; 

 obovate or spathulate, more or less hairy ; upper cauline sessile, lanceolate or ^^^^^L 

 spathulate, coarsely toothed or entire. Flowers numerous, white or pale pink, ^r^ 

 acute, sparsely stellately hairy. Petals twice as long as the sepals, spathulate, cla 

 short. Po</« 14 in., narrow-linear, falcate, glabrous; valves veined; midrib distinc- 

 tSeeds small, not margined.— The fruiting specimens refened in Joum. Linn. tW- 

 A. Thomsoni belong probably to a SisymbHum, 



r 



6. A. srlandulosa, Kar. S Kir. En. PL Soong. in BuU. Soc. ImP- 

 Mosc. XV. 147; annual, glandular, leaves pinnatifid, flowers small, po^ 

 suberect obtuse. 11./, & T. in Joum. Linn, Soc. v. 143, ■ | 



Tibetan region of Sikkim, alt. 14-16,000 ft., H.f,; Western Tibet near La^^*^' 

 Stewart. — Distrib. Soongaria. .• . 



Stem short, spreading, prostrate, leafy. Radical leaves ^-1 in., petioled ; cau in 

 i-i in., sessile, linear, or entire. Petals J in., spathulate, claw short, pale ^^®?^| 

 white. Pods 1 in., linear; style short tapering ; pedicel short, thick, ^^^^^ ' J q{ 

 concave, veined, with a faint midrib, ^ds small, oblong, slightly flattened, n 

 margined. 



7. A. taraxaoifolla, Anders. ; annual, hairy, stems spreading, ra^^^ 

 leaves many long-petioled lyrate-pinnatifid or lobed, flowers few distan » 

 pedicels slender, pods very narrow, style long acute. 



Punjab ; in sandy places near Peshawur, Stewart. 



-.t 



the 



Stems 6-9 in., numerouB, almost leafless, weak, glabrous above, subhispid ''^^f, ^* 

 base. Radical leaves rough, hairy; terminal lobe large, rounded, entire, rarely t^,^I 



-3 in. ; cauline leaves few, sessile, oW W 



lateral short, narrow, entire obtuse ; petiole 2 



lanceolate, entire or sinuate-toothed. Sepals pubescent or glabrous. 



Petals i >«" 



narrow-oblong, pale rose or white ; pedicels slender, spreading or suberect, gl*^^ j 

 Puds 14-2^10., suberect horizontal or decurved, linear, flattened, glabrous ; P^aic 

 4-1 in. ; valves thin, veinless. — Closely allied to A. arenosa^ L., but differs in the to 



of the leaves and length of the pod. 





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