Mattkiola.] x. CRUCiFER^i. (Hook. f. & T. Anderson.) 131 



long, narrow, cylindric or flattened; septum thick; stigma small, erect, 

 lobes parallel, thickened or with short horns at the base. Seeds 1-seriate, 

 flattened, with a narrow membranous wing. DISTRIB. About 30 species ; 

 natives of the Mediterranean region, Arabia and Western and Central 

 Asia. 



M. incana, the common Stock, and M. tristis are cultivated in the gardens of N. 

 India. 



1. M. odoratissima, Br. in Hort. Kew. ed. 2, iv. 120 ; leaves petioled 

 lower obovate upper lanceolate sinuate or pinnatisect rarely entire. DC. 

 Prodr. i. 134 ; Hot. Mag. 1711 ; Boiss. FL Orient, i. 149 ; Griff. It. Notes, 282, 

 n/767 ; //./.<& T. in Journ. Linn. Soc. v. 13^. 



WEST TIBET in dry stony places, ascending to 12,000 ft. DISTRIB. Westward to 

 Asia Minor and the Caucasus. 



A perennial, 1-2 ft. ; hoary with stellate puhescence ; root woody. Racemes long, 

 erect ; flowers few, large, purple, fragrant. Petals f-1 in, ; limb linear-oblong or strap- 

 shaped, waved or twisted. Pods 4 in., erect, rigid, flattened. /Seeds as broad as the 

 septum. 



2. PARRY A, Br. 



Small tufted herbs; rootstock thick, perennial, many-headed. Leaves 

 linear or spathulate, entire sinuate or pinnatifid. Mowers large, white 

 or purple, racerned or on scapes. Sepals erect lateral sometimes saccate at 

 the base. Pod much flattened, short and broad or elongated and narrow ; 

 valves smooth, with a midrib ; septum entire or divided, membranous or 

 hyaline ; style short ; stigma-lobes erect, decumbent. Seeds 1-2-seriate, 

 much flattened, with a membranous wing or wingless. DISTKIB." Species 

 about 10, arctic or high alpine. 



1. P. exscapa, Mey. in* Led. Fl. Alt. iii. 38 ; leaves spathulate obtuse 

 entire or slightly toothed, scapes 1 -flowered, seeds winged. Led. Ic. Fl. 

 Alt. t. 86 ; H.f. & T. in Journ, Linn. Soc. v. 135. 



WEST TIBET, alt. 15-18,000 ft. DISTRIB. Altai Mts. 



Stemless, glabrous or puberulous. Flowers purple, scapes shorter than the leaves. 

 Pods |-3 in. long, narrow, drooping. Stigma sessile. Seeds 1-2-seriate ; wing broad, 

 membranous. 



2. P. macrocarpa, Br. in Parry's Voy. app. 270 ; leaves entire or 

 sinuate-toothed, flowers corymbose, scapes much exceeding the leaves, pods 

 linear, seeds winged. Led. Fl. Ross. i. 131 ; Hook. Fl. Bor. Am. i. t. 15; 

 H.f. & T. in Journ. Linn. Soc. v. 135. Neurotoina nudicaule and scapi- 

 gerum, DC. Prodr. i. 156. 



Alpine regions of WEST TIBET, alt. 15-18,000 ft. DISTRIB. Affghanistan, Altai, 

 arctic Europe, Asia and America. 



Slightly rough, very rarely glabrous. Leaves tufted, thick, petioled, lanceolate. 

 Flowers large ; scapes 6-12 in., rigid, many-flowered. Pods erect, linear, acute ; valves 

 strongly veined, rough. Seeds 1-seriate, much flattened. 



3. P. platycarpa, H.f. & T. Journ. Linn. Soc. v. 136; leaves spathu- 

 late or obovate quite entire, scapes short few-flowered, pods ovate, seeds 

 not winged. 



EASTERN HIMALAYA, in the Tibetan region of SIKKIM, alt. 16-17,000 ft., H.f. 

 Rootstock covered with spongy old petioles. Leaves leathery, glabrous or with hairy 



