686 RypBerG: STUDIES ON THE Rocky MounTAIN FLorA 
Ipauo: Idaho Falls, 1901, Merrill & Wilcox, 870. (Type in 
herb. N. Y. Botanical Garden.) 
11. ABRONIA CARLETONI Coult. & Fisher, Bot. Gaz. 1'7: 349. 
1892 
Colorado. 
12. ABRONIA VILLOSA S. Wats. Am. Nat. '7: 302. 1873 
Southern Utah to Arizona and California. 
13. ABRONIA CYCLOPTERA A. Gray, Am. Journ. Sci. II. 15: 319. 
1853 
From Wyoming to Texas and Arizona. 
14. Abronia pedunculata (M. E. Jones) 
Abronia micrantha pedunculata M. E. Jones, Proc. Cal. Acad. 
II. 5: 716. 1895. 
In the Navajo Basin of eastern Utah. 
15. ABRONIA MICRANTHA Torr. Frem. Rep. 96. 1845 
From South Dakota to Montana and New Mexico. 
2. HERMIDIUM S. Wats. King’s Rep. 5: 296. 1871 
A monotypic genus. 
I. HERMIDIUM ALIPEs S. Wats. Z/. c. 
Nevada and western Utah. 
3- QUAMOCLIDION Choisy ; DC. Prod. 13°: 429. 1849 
This genus was based on two species, of which the second was 
referred doubtfully to the genus. The first had before been known 
as a species of Mirabilis, viz., M. trifora Benth. The type of the 
genus Mirabilis Lis M. Jalapa . In the latter the filaments are 
united at the base, the fruit is not viscid and the corolla is salvet-. 
shaped with a long tube and broad limb. In Quamoclidion the 
filaments are distinct, the fruit viscid and the corolla from nearly 
cylindrical to bell-shaped but with a small limb. In Mirabilis the 
flowers are solitary and in the typical species of Quamoclidion 3-6 
in the involucre ; but as the number of flowers are not of value 4S 
_ 4 generic character I have here included a species with one-flow- 
ered involucres, 
SOT nate ee 3 
