68 Contributions to Western Botany. 
This remarkable species has the flowers of A. Geyeri nearly, the 
slender habit of A. Howellii, and the pods of A. speirocarpus, 
though smaller, 
A. arrectus var. Leibergi. A. Leibergi Jones Cont. 7. 663. 
Var. Palousensis (Piper). A. Palousensis Piper Bot. Gaz. 
22 489. 
A. Leibergi is a remarkable form appearing distinct but 
cannot be kept up. It is characterized by subscapose and very 
long peduncles, almost filiform leaflets and is nearly acaulescent. 
A. Palousensis hardly deserves varietal rauk. It is character- 
ized by slender stems nearly a foot long and by wide leaflets 
when mature. 
A. Newberryi var. Watsonianus (Kuntze). Tragacantha 
Watsoniana Kuntze Rev. Gen. 2 942. be 
A. Hypoglottis var. bracteatus Osterhout Torr. Bull. 26 256 
is an abnormal form of A. agrestis growing in the shade and 
with stems protected by dead leaves so that they developed ab- 
normal stipules and bracts. 
A. brevicaulis Nelson Torr. Bull. 26 9 is the normal fully. 
developed form of A. calycosus Torrey. 
A, junciformis Nelson Torr. Bull. 26 9 is A. diversifolius 
ray. 
A. exilifolius Nelson Torr. Bull. 26 10 is one of the infini- 
tessimal subdivisions of A. simplicifolius Wats. 
A. aculeatus Nelson Torr. Bull. 26 11 is another similar 
form of A. Kentrophyta. 
_A. Cusickii Rydb. (not Gray) Torr. Bull. 26 541. A. Mal- 
heurensis Heller Cat. N. A, 2 Ed.7 is A. arrectus Gray. < 
A. Kelseyi Rydb. Fl. Mont. 241 is a well developed form of 
A. terminalis Wats. 
A. reventoides Jones Cont. 7 661 is probably only a form of 
A. terminalis Wats. with shorter pods and broader leaflets. 
