16 RYDBERG: NOTES ON FABACEAE—III 
51. Homalobus Plummerae Rydberg, sp. nov. 
Astragalus cyrtoides M. E. Jones, Zoe, 4:31. 1893. Not A. 
cyrtoides A. Gray, 1864. 
A perennial, with a oe woody caudex; oe terete, 
striate, and villou s with spreading hairs, 2-3 dm. high, stipules 
triangular, striate, Ge. Pe mm. long; leaves 4-7 cm. one 
leaflets seven to thirteen, obcorda te, 8-15 mm. long, 5-10 mm 
wide, villous on both sides; peduncles 5-8 cm. long; raceme 
short and dense, in flowers 2—3 cm. long, in fruit 5—7 cm. long; 
bracts lanceolate, 2-3 cm. long, longer than the pedicels: calyx 
pilose-villous, the tube 8 mm. long, gibbous below on the upper 
side, the upper two teeth triangular, the lower three lanceolate, 
I mm. long; corolla ochroleucous, about 14 mm. long, similar to 
that of H. Gibbsit; pod short-villous, stipitate, the stipe about 
8 mm. long, the body lunate, gradually tapering at each end, 
2-2.5 cm. long, 7-8 mm. wide, reticulate; seeds reniform, 2.5 
mm. long. 
Type collected in Sierra County, California, in 1875, J.G 
Lemmon 622 (herbarium of Columbia University). The species 
is dedicated to Mrs. Lemmon, whose maiden name was Plummer. 
It is related to H. Gibbsii, differing in the broader fruit. Lemmon 
78, without locality, also belongs here. 
52. Homalobus sinuatus (Piper) Rydb. comb. nov. 
Astragalus sinuatus Piper, Bull. Torrey Club 28: 40. 1901. 
Phaca sinuaia Piper, Contr. U.S. Nat. Herb. 11: 370. 1906. 
This is related to the preceding and the next following species, 
differing from the former in the short pubescence, from the latter 
in the much broader pod, and from both in the sinuate lower 
suture of the pod. 
53. Homalobus Whitedii (Piper) Rydb. comb. nov. 
Astragalus spetrocarpus falctformis A. Pied Bot. Calif, 12 1§2: 
1876. Not A. falctformis Desf. 18 
Astragalus speirocarpus curvicarpus Shislew: Minn. Bot. Stud. 
1: 128... 28 
Astragalus Gibbs falciformis M. E. Jones, Contr. West. Bot. 
223.1898. 
Astragalus Gibbsii curvicarpus M. E. Jones, Contr. West. Bot. 
1G: G2. 31902. 
