1 82 CRUCIFERAE. 



Camelina microcarpa Andrz. Stems erect, mostly simple, 30-90 cm. tall, 

 hirsute below, glabrous above; leaves lanceolate, acute, sagittate at base, 

 half-clasping, erect, entire or nearly so, stellate-pubescent; flowers pale yellow; 

 pods obovate, 4-5 mm. wide, 6-8 mm. long, beaked by the persistent style, 

 glabrous, on slender pedicels, 8-18 mm. long. 



Sparingly introduced from Europe. 



Camelina sativa (L.) Crantz. Very similar to C. microcarpa; pods larger, 

 6-7 mm. broad, 6-8 mm. long, on longer pedicels, 12-30 mm. long. 

 Sparingly introduced from Europe. 



Family 46. DROSERACEAE. SUNDEW FAMILY. 



Small biennial or perennial mostly glandular-pubescent in- 

 sectivorous herbs, living in bogs; leaves with circinate vernation; 

 flowers regular, hypogynous, 5-merous, with all the parts persist- 

 ent; anthers versatile; styles 1-5; ovary 1-3-celled; capsule 

 with twice as many styles as there are parietal placentae; seeds 

 numerous. 



241. DROSERA. SUNDEW. 



Low biennial or perennial herbs with a basal tuft of leaves 

 covered with sensitive motile glandular hairs which act as insect 

 traps; flowers usually in a simple 1 -sided raceme on a naked scape; 

 stamens 5; styles 3 or 5, each deeply 2-parted, stigmatic on the 

 inner face near the tip. 



Leaf blade nearly orbicular, abruptly narrowed into the peti- 

 ole. D. rolundifolia. 



Leaf blade spatulate-oblanceolate, not abruptly narrowed into 



the petiole. D. anglica. 



Drosera rotundifolia L. Leaves in a spreading rosette, the blade orbicular, 

 abruptly narrowed into a much longer hairy petiole; scape slender, 10-30 cm. 

 high, the raceme usually 5-15-flowered; petals oblong, white, 3 mm. long; 

 capsule oblong; seeds narrowly spindle-form. 



In sphagnum bogs, common. 



Drosera anglica Huds. Leaves nearly erect, linear-spatulate, the naked 

 or slightly hairy petiole scarcely longer than the blade; scape 6-20 cm. high, 

 1-8-flowered; petals oblanceolate, white, 6 mm. long; capsule oblong; seeds 

 narrowly spindle-shaped. 



In bogs in the mountains, rare. Home Lake, Vancouver Island, Maconn; 

 Mount Adams, Washington, Henderson. 



Family 47. CRASSULACEAE. STONECROP FAMILY. 



Succulent or fleshy plants, mostly herbs; stipules none; flowers 

 regular and symmetrical, in cymes or rarely solitary; calyx 

 hypogynous, mostly 4 or 5-parted or lobed; petals of the same 

 number as the calyx-lobes, distinct or slightly united at the base, 



