150 LEAFLETS. 
them in the uppermost, involucre about 4 lines long, 7 to 9- 
flowered, bracts thin, whitish, 3-nerved, obtuse or abruptly 
acutish: slender achenes minutely strigulose, pappus delicate, 
merely scaberulous. 
Southward slopes of hills of the Black Range, New Mexico, 
at about 6,000 feet, O. B. Metcalfe, n. 1446. 
CoLEOSANTHUS MELISSAEFOLIUS. Size and woodiness of C. 
axtllarts but more branching; leaves firmer but green, ovate- 
deltoid, all obtuse, lightly coarsely and unevenly crenate, the 
upper face with few and scattered scabrous points and but an 
obscure venation, underneath hispidulous-roughened on the 
prominent but irregularly disposed and loosely anastromosing 
veins and veinlets, the surface obscurely scaberulous and ob- 
viously and rather strongly punctate: heads numerous on all 
branches and branchlets, bracts of involucre 3-nerved, obtuse, 
some mucronulate ` achenes light-colored, appressed-pubescent ; 
pappus delicate, scaberulous. ; 
Organ Mountains, N. Mex., at 4,900 feet, E. O. Wooton, 1 
Sept., 1897. 
HYMENOPAPPUS PARVULUS. Branches of caudex short, 
stout, each bearing a tuft of small long-petioled leaves 3 inches 
high, the petioles 2 inches, blade 1 inch, bipinnately cut into 
narrowly linear segments, these firm, obtuse, hoary-tomentulose: 
scapiform peduncles 6 or 8 inches high, ending in a contracted 
cymose panicle of small heads; involucres subturbinate, + inch 
high, bracts cuneate-obovate, with obtuse scarious tips: achenes 
slenderly turbinate, villous; pappus of hyaline cuneate-obovate 
nearly truncate short scales. 
Dry hills about Gunnison, Colorado, 17 July, 1901, C. F. 
Baker, n. ‘449. 
CHRYSOPSIS ASPRELLA. Slender rigid stems 1 foot high 
closely tufted on a hard ligneous crown, sparsely villous-hirsute: 
leaves thin, oblanceolate, 1 inch long exclusive of the short 
petiole, both faces rough with a short strigose pubescence and 
copious sessile pellucid glands: heads smallish, corymbose ; 
