60 CRUCIFER^. CAMEUNA. 



SUUULAK1A. 



hairs; root single, not strongly thickened: stems several, spreading- 

 ascending simple or branched leafy, 2-10 inches high, terete, slender wiry : 

 leaves linear-oblong or spatulate, subentire to shallowly sinuate pinnatifid, 

 chiefly basal, the cauline rather small and remote: flowers small, white or 

 purplish: pods linear, terete, more or less torulose, erect, 5-9 lines long; 

 partition nerveless. Alaska to Oregon and Willoughby Mountain 

 Vermont. 



25 CAMELINA Crantz Fl, Aust. i, 17. 



Erect annuals with sagittate-clasping entire or dentate to pin- 

 natifid leaves and pale yellow or white flowers. Sepals short- 

 oblong, obtuse thin-margined, subequal at base, more or less col- 

 ored, often villous. Petals spatulate or obovate, unguiculate. 

 Stamens 6, free and unappendaged. Style slender : stigma sim- 

 ple. Pods obovoid 2-celled, many-seeded, with a broad thin obo- 

 void persistent partition and somewhat firm strongly convex 

 valves. Seeds in 2 rows in the cells wingless. Cotyledons 

 incumbent. 



C. SATIVA Crantz 1. c. Stems simple or sparingly branched above 

 1-4 feet high leafy, nearly glabrous or somewhat hirsute : leaves erect en- 

 tire or nearly so : flowers rather small, light yellow : fruiting pedicels 

 spreading, pods obovate, becoming 3-4 lines long three-fourths as broad, 

 glabrous, margined, finely reticulate and slightly ribbed upon the faces. 

 An introduced weed becoming common from Seattle Washington, to Cali- 

 ifornia and across the continent. 



26 SUBULARIA L. Gen. n, 799. 



Dwarf stemless aquatic herbs with tufted subulate leaves and 

 few minute white flowers. Pods small, ovoid, slightly com- 

 pressed contrary to the partition. Style none, valves convex, 1- 

 nerved. Seeds several in each cell, not margined. Cotyledons 

 incumbent. 



S. aquatica L. Sp. ii, 642. Stems slender, 1-3 inches high, from 

 slender running rootstocks with numerous fibrous rootlets ; leaves subu- 

 late, usually shorter than the scape: flowers scattered, less than a line 

 long, the petals not exserted : pods \% lines long, about equaling the ped- 

 icels, obtuse. Edge of ponds, etc., Vancouver Island to California, Wyo- 

 ming, Maine, New Hampshire and Canada. 



Tribe VI. Brassiceve, DC. Pods elongated, terete or somewhat 

 prismatic, often torulose, usually partially or wholly dehiscent 

 by 2 valves, 2-celled with a longitudinal membranous partition. 

 Seeds in 1 or 2 rows in the cells. Cotyledons conduplicate. Petals 

 well developed. 



12 BRASSICA Tourn. Inst. 218 t. 106 L. Gen. n. 820. 



Coarse erect annual or biennial herbs of European or Asiatic 

 origin with usually (at least the lowest) leaves lyrate and com- 

 paratively large yellow flowers. Sepals equal, or one pair often 

 saccate at base. Anthers long, sagittate at base. Pods linear, 

 nearly terete or somewhat 4-sided, pointed with a conical beak not 

 stipitate, with 1-3 nerved valves. Seeds in 1 row globose, 

 margined. 



