340 MINNESOTA BOTANICAL STUDIES. 



spreading, ^-i inch long ; petal-limb greenish-orange, half as 

 long as sepal ; spur bright red, tapering rapidly, over i inch 

 long ; stamens protruding far beyond the limb : fruit, at least 

 when young, bearing broad, membranous, curled wings ; styles 

 3 ; after flowering the peduncles become erect. July-Sept. 

 Mts. of New Mex. andMex. Bot. Mag. 3919. Paxt. Mag. Bot. 

 10 : 199. Flor. des Serr. i : 17. A handsome plant, requiring 

 a light soil in a sunny border. 



Var. Jlore-pleno HORT. Flowers double. Very fine. Gar- 

 tenflora 34: 57. 



A. formosa FISCH. in DC. Prod, i : 50. 1824. 

 A. artica LOUD. Hort. Brit. 610. 1830. 

 A. Canadensis var. formosa WATS. Bot. King Exp. 10. 



1871. 



Habit as A. Canadensis, root-leaves and stem-leaves like that 

 species, but the flowers are brick red and yellow or wholly yel- 

 low, and the sepals are larger, twice as long as the petal-limb, 

 more spreading ; spurs somewhat more slender and often 

 shorter. May- Aug. Sitka to Calif, and eastward to the Rock- 

 ies. Introduced 1881. Bot. Mag. 6552. Flor des Serr. 8: 



795- 



Var. desertorum JONES Cont. Western. Bot. No. 8, 2. 1898. 



Stems about one foot high, flexuose : leaves and leaflets 

 rather small : flowers often only about ^ inch across, nodding : 

 styles slender. In crevices of rocks about springs. Flagstaff, 

 Ariz. (f). 



Var. truncata BAKER 1. c. ; JONES Zoe, 4: 259. 1893. 

 A. truncata FISCH. & MEY. 1843. 

 A. California* LINDL. in Gard. Chron. 836. 1854. 

 A. eximia VANHOUTTE ex Planch. Fl. des Serr. 12 : 1188. 



1857- 



Flowers with short thick spurs and very small sepals and petal- 

 limbs. Introduced 1881. 



Var. hybrida HORT. A. Californica var. hybrida HORT. 

 Flowers large with scarlet sepals and yellow petals ; spurs 

 spreading, long and slender. A supposed hybrid with A. 

 chrysantha. Fl. Mag. 1877 : 278. Vicks' i : 33,_/". 2. 



Var. nana-alba HORT. Flowers pale, often nearly white ; 

 plant not exceeding i foot. 



Var. rubra-pleno HORT. Flowers as in var. hybrida, but with 

 several whorls of petal-limbs. 



