PIPER—FLORA OF THE STATE OF WASHINGTON. 279 
1. Aquilegia formosa Fisch.; DC. Prod. 1: 50. 1824. 
Aquilegia columbiana Rydberg, Bull. Torr. Club, 29: 145. 1902. 
Type Locatiry: “In Kamehatka.”’ 
Rance: Alaska to California and Utah. 
SPECIMENS EXAMINED: Clallam County, Elmer 2671; Montesano, Heller 3936; Mump- 
tulips, Lamb 1180; Cascade Mountains, latitude 49°, Lyall; Goat Mountains, Allen 249; 
Silverton, Bouck 9; Egbert Springs, Sandberg & Leiberg 385; without locality, Vasey 
in 1889; Fish Lake, Dunn, August 8, 1900; Cold Creek, Cotton 395; Ellensburg, Elmer 409, 
Whited 714: Wenache Mountains, Whited 1299; Gilberts Mining Claim, Whited 45, 153; 
Horseshoe Basin, Lake & Hull 403; Wilson Creek, Lake & Hull, August, 1892; Wilbur, 
Henderson, July, 1892; Fresh Lake, MeKay 28; Loomis, Elmer in 1897; Blue Mountains, 
Piper, August, 1896; Lake & Hull, July, 1892. 
This species has great altitudinal range occurring from sea level up to 1,800 meters alti- 
tude. It also occurs in eastern Washington in the Upper Sonoran zone. Such plants are 
usually finely puberulent throughout and perhaps constitute a good subspecies. 
2. Aquilegia flavescens 8. Wats. Bot. King. Explor. 10. 1871. 
Type Locauity: ‘ Wahsatch and Uintah Mountains, Utah; 5-7,000 feet altitude.”’ 
RaNGE: British Columbia to Utah and Montana. 
SPECIMENS EXAMINED: Silverton, Bouck 8; Swauk Creek, Brandegee 614; Wenache 
Mountains, Elmer 446; Mount Baldy, Cotton 1702; Chewaukum, Whited 2533. 
ZONAL DISTRIBUTION: Hudsonian. 
So far as northwestern specimens are concerned A. flavescens is a mere subspecies of 
A. formosa, all intergrades occurring between them. In some places the two grow together 
and then merge in all particulars. 
DELPHINIUM. Larkspur. 
Roots fasciculate, elongated, not tuberlike. 
Pedicels usually shorter than the flowers and fruit; 
plants about 1 meter high. 
Inflorescence densely short-villous; flowers 
greenish.............2.-.-.--------------- 2. Dz. viridescens. 
Inflorescence not villous; flowers blue. 
Leaf divisions narrow; whole plant puberu- 
lent; flowers bright blue. ..... 2... ..-- - 1. D. scopulorum stachydeum. 
Leaf divisions broad, glaucous beneath, 
glabrous; flowers dull blue...........- 1b. D. scopulorum glaucum. 
Pedicels longer than the flowers and fruit; plants 
30 to 60 cm. high. 
Flowers blue; inflorescence not glandular-.-. - 3. D. bicolor 
Flowers ochroleucous; inflorescence glandular. 4. D. xantholeucum. 
Roots thickened, forming irregular tubers. 
Pedicels ascending or spreading, longer than the 
flowers and fruit. 
Mature follicles widely recurving. .......----- 5. D. menziesii. 
Mature follicles contiguous or spreading only 
at the tips. 
Stems tall, leafy; leaf segments cleft into 
narrow lobes; flowers 10 to 20......... 6. D. columbianum. 
Stems low, few leaved; leaves pedately 
parted; flowers few.......-.-.------- 7. D. depauperatum. 
Pedicels erect or ascending, short, the inflorescence 
spike-like.... 2... .22.2222---2-2-2----02----- 8 Di simplex. 
