152 



length separable : disk-flowers variable in number, their akenes 

 uniformly glabrous and without pappus, rarely fertile. 



Hillsides near Grouse Creek, August i. Has the habit of 



^ Calycadenia, but with anomalous characters in the disk-akene. 



/ SCORZONELLA ARGUTA. Leaves 6 to 12 inches long, i to 2 

 broad, entire or with few slender teeth : peduncles about 2 feet 

 high : scales of involucre about twenty, inner lanceolate to ovate, 

 long-acuminate, outer becoming broader and shorter; pappus 



white, 5 to 6 lines long, palea very thin, narrowly ovate, hardly 



line long. 



July 



'^Eriogonum SPECIOSUM. Suffrutescent, stems densely clus- 

 tered ; leaves small, broadly oblanceolate, acute at both ends, 



densely tomentose beneath, glabrate above ; petioles 3 lines long: 



peduncles erect, nearly a foot high, bearing two to four elongated 

 rays which are usually again divided, the nodes all leafy-bracted : 

 involucres small, the acute lobes deflexed ; flowers numerous, 

 bright yellow tinged with purple, 6 lines long including the slen- 

 der stipe; styles and filaments slightly hairy. 



Gravelly banks of the South Fork of Trinity River, in Hy-Am- 

 Pum Valley, July 23. Flowers very numerous and showy. 



^Euphorbia occidentalts. Annual, diffuse, decumbent or 



prostrate; branches 4 to 8 inches long, glabrous, pale green or 

 glaucescent; leaves obovate-oblong, inequilateral at base, 2 to 4 

 lines long, conspicuously serrulate above the middle and across 

 the obtuse or truncate apex; stipules whitish, lacerate, }4 1^^^ 

 long; involucres small, axillary, the glands with white or purplish 

 margins, crenulate or minutely lobed : seeds )4 li^"!^ long, ash- 

 gray or ahnost white, the faces irregularly but not deeply, 

 wrinkled. 



In sandy soil, Hy-Am-Pum Valley, July 23. 



'^ Allium STENANTHUM. Bulb nearly spherical, the coats 

 white, thin, transverse reticulations deeply and broadly sinuate : 

 scape terete, 8 to 12 inches high; leaves usually two, sheathing 

 below the ground, i to 2 lines w^ide, equalling the scape: bracts 

 two, ovate, narrowly acuminate; pedicels twelve to twenty-five, 

 6 to 9 lines long; perianth segments white, ovate-lanceolate, 

 long-acuminate, erect, scarcely spreading even in age, 5 to 6 lines 

 long, twice as long as the stamens and stvle. the inner segments 



slightly denticulate ; fikmients dilated at base ; ovary with con- 

 spicuous rather thin crests. 



Along streams, eastern slope of Pilot Ridge, July 19. 



