SUNFLOWER FAMILY 375 
nil 
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5641. Erigeron strigosus 
5642. cet a snerageeacaltaet 
5643. Erige 
snorum 
in var. asteroides, the basal ones generally Custesed, Jad the cauline ones often much reduced; gece few or 
solitary; rays generally pinkish, a little hash gl than asteroides (up to 4.5 mm. long an .55 mm. wide) 
and more evidently surpassing the pappus; ye ‘pistillate yc often few. Alaska to northern "California 
(Mount 'S a and ie ase Comren. Type locality: Woodruff’s Falls west of Upper Marias Pass, Rocky 
0 
92. Lesa Cham. Linnaea 4: 203. 1829. 
‘ nds. 
nate, entire, toothed, or pinnatifid, those of the branches sessile and bractiform above. 
Heads solitary or clustered at the tips of stems and branches, in some species spicate in 
the axils of leaves or sessile among the basal leaves, homogamous, but the outer flowers 
often enlarged Pe palmately 5- cleft and reflexed. Involucres cylindric, turbinate, or cam- 
panulate, the phyllaries graduate in several series, usually much appressed. Corollas laven- 
der, pink, yellow, or rarely white. Anthers ro ounded at base, bearing a terminal appendage 
a . Style-branches with subtruncate or triangular, hairy appendages, these often bear- 
ng a terminal cusp. Achenes turbinate to obconic, silky-pilose ; ee many bristles 
r awns, sometimes connate in phalanges, or r uced to slender palea tan, br ish, or 
reddi sh. [Name in honor of the Lessings, a German faintly of iisaéte and authors a 
* Based largely on the earlier published work of John Thomas Howell and later discussions with him. 
