ANTENNARIA UMBRINELLA 11. sp.
Stem generally about I dm. high ; leaves of the stolons spatu late, 1-1.5 cm. long, those of the stern linear-oblong ; heads small, about .5 cm. high, conglomerated in small subcapitatc clusters ; scarious portion of the bracts in the pistillate head oblong, obtuse, in the outer varying from umber to isabel-colored, in the inner lighter colored and sometimes almost white; in the staminate heads all elliptic, obtuse and isabel-colored or yellowish white.
In habit it much resembles A. alpina, from which it differs by the oblong obtuse bracts of the pistillate plants and somewhat smaller heads. The staminate plants of the two species are almost identical in every respect except that the bracts are of slightly lighter color in A. umbrinella. I describe this species as new, with some hesitation, not that I have any doubt concerning its distinctness from A. alpina and our North American species, but
it is so closely similar to A. iliagellanica Sch. that if it were not for the great distance between their ranges and for the slightly longer leaves and more slender caudex of the latter, I would re gard the two as one species. The staminate plants are nearly as common as the pistillate ones. The following specimens are in the Columbia herbarium : Montana: J. H. Flodman, no, S59, August 19, 1896, from Long Baldy in the Little Belt Mountains (type) and no. S6o, July 18, from Spanish Basin.
Wyoming: Aven Nelson, no. 885, 1894 (labelled A. diolea).
Nevada : S. Watson, no. 650 (A. (*inn') and 651, 1868.
Irlrrkv : I. Mulford, 1892 (A. dioica).
Oregon : Wilkes Expedition (A. dioica).
Arctic Amoica: Dr. Richardson, 301 (Gnaphalium diotcum).