NEW OR NOTEWORTHY STECIES. 21 



leaves all narrow and entire : heads small : rays white, but 

 short and inconsi)icuous : pappus bright white, of 10 aristi- 

 form bristles, with copious short villous hairs, the innermost 

 of which are interlaced. 



H 



The 



species approaches Z/. elegans, but has inconspicuous flowers, 

 entire leaves and a hispid pubescence. 



Eriophyllum tanacetiflouum. Suffrutescent below, erect 

 slender, 2 feet higli, leafy throughout; leaves thinuish, 

 sparingly floccose beneath, from palmately trifid to somewhat 

 piunatifid : heads 3 to 7, nearly or quite sessile at the summit 

 of the simple stem ; involucre oval, 2 lines high, the bracts 

 broad and nearly equal, acutish ; rays none ; achenes with a 

 few closely appressed hairs and no resin-glands ; pappus of 

 about 8 unequal linear obtuse or retuse palese. 



Wooded hills of Calaveras County, Calif., between Sheep 

 Kanch and Murphy's, June, 18S9. 



Prenanthes steicta. Perennial, 2 feet high from simple 

 or branching horizontal rootstocks, glabrous, bright green, 

 not glaucous: radical leaves 6 to 10 inches long, oblong- 

 lanceolate, tapering to a winged petiole, abruptly acuminate, 

 coarsely and repandly dentate ; cauline similar but smaller, 

 rather numerous : inflorescence a strict and dense simple 

 raceme 6 inches long ; heads erect, their short pedicels single 

 or in pairs ; scales of the cylindrical involucre about 8, pur- 

 plish and with some white tomentose pubescence, calyculate 

 bracts obscure or none: achenes equally and obtusely lo- 

 ribbed ; pappus pale-fuscous. 



Dry northward slopes, in rocky soil, at about the limit of 

 trees on Mt. Eaiuier, 20 August, 1889. 



Malacothrix altissima, Greene, Bull. Calif. Acad. i. 195. 

 Stems solitary, stout, erect, 3 to 6 feet high, simple and leafy 

 up to the very ample cymose panicle : whole plant glabrous, 

 dull green : leaves 2 to 4 inches long, broadly lanceolate, 



