Bulletin University of New Mexico—No. 49 
Pp. ASTEROIDES, Gray. (Aster-like P.) Covered 
with a few course hairs, 1-3 ft. high; lower leaves 
spatulate or oblong, sometimes laciniate---pinnatifid, 
sometimes barely dentate; uper mostly linear and en- 
tire, involucral bracts lanceolate or linear. In sandy 
fields towards Isleta. Not common. July. 
11. astmr, JD. 
Mostly perennial herbs, with heads in corymbbs, pani- 
cles, or racemes; white, purple or blue fertile rays and 
yellow disk often changing to purple with age, many 
flowered heads, involucral bracts with leaf like tips; 
flat receptacle; more or less flattened achenes. 
i, aster pRopeR. Involucral bracts imbri- 
cated, with herbaceous or leaf-like summits 
or the outer entirely foliaceous; rays numer- 
ous; pappus simple, soft and nearly uniform ; 
achenes flattened. | 
*Without heart-shaped petioled leaves, the radt- 
cal and lower all acute, or alternate at base ; 
glandular or viscid or silky---canescent. 
SSmooth or slightly hairy, involucral bracts 
closely wmbricated, firm and whitish, corrace- 
ous below, leaves entire or at least the upper 
linear. 
A. ERIcompES, L. The simple branchlets racemose 
along the upper side of the wand-like spreading 
branches; 1-3 ft. high, lowest leaves oblong-spatulate, 
sometimes toothed, heads 1-4 in. high or less. Occa- 
sional along the acequias. 
SSHoary pubescent or hirsute; herbaceous tips 
of the involucral bracts squarrose or spread- 
img; cauline leaves small, linear, entire; 
heads numerous, small, racemose. 
A. MULTIFLORUS, Ait. 1 ft. high or less, much 
branched and bushy; the heads much crowded on the 
spreading racemose branches; leaves rigid, crowded, 
spreading with rough or ciliate margins, the uppermost 
passing into spatulate, obtuse bracts; heads 1-6 to 1-4 
in. long; rays white or rarely bluish, 10-20. Mesa, ete. 
occasional; usually very short and small on the Mesa. 
SeSInvolucre imbricated, not squarrose, but 
sometimes the outer bracts are loose and her- 
baceous and as long as the inner, thin, mostly 
acute, tup not broadened; heads thyrsoid or 
open paniculate. 
(9) 
