KEY TO IMPORTANT WOODY PLANTS 75 



40. Leaflike bracts in a whorl near middle of flowering 

 stems; "seeds" hairy near tips. 

 41. Stem bases loosely tufted to nearly prostrate; 



flower stems to 16 inches high; leaves to 2 

 inches long, linear to reversely lance-shaped, 

 yellowish-hairy on under side, clustered at 

 branch tips; leaflike bracts whorled at tips of 

 flowering stems and also at branching of rays 

 when flower-head clusters are compound ; flowers 

 dull yellow to whitish, drying reddish, hairless 

 or nearly so, each narrowed to stalklike base 

 (flower "stalks thus appearing jointed near 

 middle); flower-head cup top-shaped, hairy, 

 with 5-8 spreading or bent-back lobes; half- 

 shrubs of drv, often rocky sites, e. Oreg., e. 

 Wash. f ._, s 



Wyeth eriogonum (Eriogonum heracleoides) . 

 41. Stem bases closely clustered, much-branched 

 from a stout woody root; flower stems to 6 

 inches high; leaves to % inch long, linear, 

 almost leathery, clustered at branch tips; 

 leaf edges tightly rolled under; flowers densely 

 white-woolly-hairy on outside, each narrowed 

 to very short, stalklike base, cream-, aging 

 rose-colored, in dense, ball-shaped clusters 

 (each cluster in hairy, top-shaped cup with 

 erect or slightly spreading lobes) ; rocky sites, 

 ne. Oreg., e. Wash.; type locality, along 

 Spokane River, Wash. 

 thyme eriogonum (Eriogonum thymoides). 

 40. Leaf like bracts lacking; bush-branching, scattered- 

 leafy shrubs to 1 foot high; leaves to 1 inch long, 

 reversely lance-shaped to almost linear, short- 

 stalked; leaf edges often rolled under; flowers 

 hairless outside, white, yellow, or rose-tinted, not 

 narrowed to stalklike bases; flower-head cups 

 hairy to almost hairless, single on each ray of the 

 3- to 6-times branched, flattish- to roundish- 

 topped flower-head clusters (compound corymbose 

 cymes); dry, rocky hillsides, e. Oreg., e. Wash.; 

 type locality, ". . . on the sides of hills, in 

 Oregon, east of Walla-Walla." 



slenderbush eriogonum 

 (Eriogonum microthecus) . 

 39. Leaves equally hairy (or hairless) on both sides; 

 flower heads with bracted cups (involucres) ; flowers 

 yellow; "seeds" (achenes) usually hairy, crowned by 

 long, whitish to yellowish, slightly roughened or very 

 finely barbed, hairlike bristles (pappus). 

 42. Flower-head bracts 4, whitish- woolly-hairy, erect, 

 in a single row; disk flowers 4, all alike; ray 

 flowers lacking; blooming from May to Sept.; 

 flower-head clusters flattish-topped; much- 

 branched, strong-scented shrubs 2-4 feet high, 



