INDEX. EFO.PLAT Hs. 
The onion plates are grouped in pages of eight plates each. 
and each plate is numbered to correspond with the number of 
the species in the text. No. 52 should be changed to A. Aus- 
tinge. A. decipiens should be A. Inyonis. 
Among the Astragali, ete., the plates are numbered consec- 
utively. 
PLALE Tf. 
Astragalus simplicifolius and the vars. caespitosus and spatulatus. 
eutrophyta and the vars. Coloradoensis, rotundus, and im- 
pensus. 
A. sericoleucus and the vars. aretioides and tridactylicus. 
A. humistratus and the vars Sonoree, tenerrimus and Hosackie. 
A. flexuosus and the vars. Fendleri and elongatus. 
A. diversifolius. : 
A. Ibapensis. | 
PLATE f1. 
A. diversifolius var. roborum. 
A. serotinus. 
A. decumbens and the form called tenuifolius. 
A. lancearius and its synonym A. Episcopus. 
A. Kaibensis. 
A. Alvordensis. 
A. Antiselli and the var. phoxnus, 
A. Mulfordze. 
PLATE III. 
. tegetarioides. 
minor and the var. curtiflurus. 
Pattersoni and the var. pralongus. 
PPP 
