RYDBERG: NOTES ON FABACEAE—III i 
Astragalus Whitedii Piper, Bull. Torrey Club 29: 224. 1902. 
Homalobus curvicarpus Heller, Muhlenbergia 2: 86. 1905. 
Astragalus curvicarpus Macbr. Contr. Gray Herb. II. 65: 38. 
1922. 
This is a fairly well known plant but has usually been con- 
sidered a variety under different species. Heller raised it to 
specific rank, not knowing that it was the same as A. Whitedii 
Piper. 
OREGON: Malheur County, Leiberg 2187, 2332; Stein’s 
Mountain, 7. Howell, in 1885; Rock Creek, Leiberg 66. 
IpaHo: Nampa and Boise, Mulford, in 1892; Shoshone Falls, 
Nelson & Macbride 1839; Plymouth, Macbride 75; Big Butte, 
Palmer 232. 
NEvADA: Pah-Ute Mountains, S. Watson 282; Reno, Kennedy, 
in 1901; Curran, in 1885. 
CALIFORNIA: Goose Lake, Mrs. Austin, in 1885; Eagle Lake, 
Mrs. Austin, in 1879; Brandegee, in 1887; Grenada Station, 
Siskiyou County, Heller 8066; without locality, Lemmon, 77; 
Fall River, Shasta County, Hall & Babcock 4252; Sierra County, 
Lemmon 621. 
54. Homalobus subglaber (A. Gray) Rydb. sp. nov. 
Astragalus collinus subglaber A. Gray, in herb. 
A perennial, with a cespitose caudex; stems 2-3 dm. high, 
Striate, glabrous or nearly so; stipules deltoid, distinct, 2 mm. 
ong; leaves 4-8 cm. long; deals 11-25, oblong, obovate o 
oblanceolate, 5-10 mm. long, 2-5 mm. wide, glabrous above, 
sparingly short- hairy bedeate, often only on the margins and 
midrib, truncate or retuse ae the apex, acute at the base; pedun- 
cles 5-10 cm. long; raceme 3-5 cm. long; bracts lanceolate, 
2 mm. long; calyx villous, “ihe tube 8 mm. long, gibbous on the 
upper side, the upper two teeth broadly triangular, the lower 
three lanceolate, 0.5 mm. long; corolla ochroleucous, 14 mm. 
long, similar to that of H. collinus; pod sparingly short- Seapine 
stipitate, the stipe 8-10 mm. long, the body arcuate, 12-18 m 
ong, 3 mm. wide. 
Tyre collected on John Day River, Oregon, May 11, 1882, 
Thomas I. Howell (herbarium of the New York Botanical Garden). 
This was distributed by Howell under the name Astragalus 
collinus subglaber A. Gray, but it is evidently more closely related 
to H. Gibbsti, lacking the long dense pubescence of the latter 
