Apa ae as ° 
wee! i 
etiam pid pes ~ te Aces 
Le 0 
4. De valida (Greene) Piper. -———>srect wemmmlilm herbs 40-90 cm. tall, with 
stout rootstocks; stems and petioles spreading hirsute with somewhat glandular — 
hairs but not viscid; basal leaves 20-30 cm. long, oblanceolate in outline, 
the blades about equal to the dilated and clasping petioles, the lowermost En 
pairs of leaflets much reduced; terminal leaflets 4-6 cm. long, ovate or obovate. — 
somewhat rhomboidal, narrowed below the middle, but usually toothed to the beset 
the lateral leaflets broadly ovate, rounded at the base but oblique, obtuse, 
subsessile, all doubly incised-serrate, both surfaces softly hirsute with non- 
glandular hairs; stem leaves eguuimmmg smaller, the upper triternate, sessile, 
stipules subfoliar .5-1 cm. long; flowers @jmpimpaa in ample cymes with grace- 
fully ascending branches which are sanewhat glandular with short spreading 
hairs but not viscid; sepals ovate, abruptly and shortly acuminate, 5-6 m. 
long umifmwsr, increasing to as much as 10-12 mm. in fruit, the appendages 
mostly oblong, 2-4 mn. long, somewhat longer and broader in fruit; petals 
bright yellow, 7-9 mm. in diameter, longer than the sepals; achenes 1.2-1.5 
mn. long. 
Common at lower elevations in the drainage of the N. Fork of the Clear- 
water River in burns and open woods, as well as on the plateau above the canyon 
of the Clearwater River in meadows. | a 
canmemniee naiautsete ee 
