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2e De longipedicellata (Fourn.) O« E. Schulze Annual, 0.1-2.0 m, tall, 
mostly simple, the herbage dark-green, glabrous or thinly puberulent; all 
leaves petiolate, 2-6 cm, long, pinnate, the divisions again more or pinnatifid, 
the segments of upper leaves often broader; racemes thin, not much elongating, 
4-7 cm, long, the pedicels ascending; flowers pale yellow or whitish, the 
sepals obovate-oblong, 1-2 mm, long, nearly equaling the corollas; fruiting 
pedicels about 1.5 cm, reg, slender, spreading at least 45° away from the 
rachis; siliques 1.0=1.5 com, long, linear, a little curving, and shorter than 
pedicels, more or less erecty seeds crowded into 1 row though biseriate, 
about 1 mm, long. (D. pinnata subspe filipis (Gray) Detling). 
Bonners Ferry, Christ 1423; Clearwater R., Spalding (type of Sisymbrium . 
incisum var, filipes Gray); Lewiston, fide Detling, 
3e De Sophia (Le) Webb. Erect, 50-60 om, tall, ashy throughout with forked 
a ae 
or stellate hairs, branching in the upper axils, the branches ascending; 
leaves numerous, 5-6 cm, long, thrice pinnatifid, the segments again pinnately 
lobed or entire, commonly 2-4 mm, long; flowers in elongate panicled racemes, 
greenish-yellow; sepals 2,5 mle long, linear-oblong, the petals often wanting; 
pods slender, linear, 1 mm, in diameter or less, 2-205 cm, long, glabrous, 
lightly curved, erect, borne on slender ascending pedicels 10-15 mm. long; 
seeds uniseriate. (Sisymbrium Sophia L.). 
A weed introduced from Europe; frequent along roadways at lower elevations, 
4. D. canescens (Nutt.) Prantl. Erect rather slender annual herbs with 
gray~green foliage, 30-50 cm, tall, branching above, finely puberulent 
throughout but not densely so, with small branching hairs; leaves 2-5 om, 
long, obovate in outline, 2 or 3 times pinnatifid into short obovate or 
elliptical segments 2-5 mm, long; flowers pale yellow, ed mm, tall,the petals 
spatulates pods 6-8 mm, long, less than 1 mm, thick, glabrous, acute at both 
ends, or nearly erect, on ascending or spreading slender pedicels 4-8 mm, long; 
seeds strictly in 1 rowe 
In gravelly soil, Partridge meadow, Eplinge 
