PIPER—FLORA OF THE STATE OF WASHINGTON. 445 
DODECATHEON. SHOOTING STAR. 
Capsule dehiscing by valves from the apex. 
Filaments united into a yellow tube half as long as the 
anthers. 
Plant glabrous . ....---.----- voce eee cece ee eee 1. D. vulgare. 
Plant puberulent..........-.-.------------+--- 2. D. puberulum, 
Filaments free. 
Flowers white; leaves dentate _.......-.-.....- 3. D. dentatum. 
Flowers purple; leaves entire -....-.-.--------- 4. D. campestre. 
Capsule circumscissile; filaments free or nearly so, black. 
Flowers normally tetramerous ..------------------- 5. D. tetrandrum. 
Flowers normally pentamerous. 
Herbage viscid-puberulent .......-.----------- 6. D. viscidum. 
Terbage glabrous. 
Capsules ovate. 
Leaves broadly elliptic to obovate _...- - 7. D. latifolium. 
Leaves oblong-lanceolate, cremate ..- .- - 9. D. jeffrey. 
Capsules cylindric. 
Leaves spatulate-oblong, obtuse .....- - 8. D. conjugens. 
Leaves lanceolate, acute....-...------- 8a. D. conjugens leptophyllum. 
1. Dodecatheon vulgare (Hook.) 
Dodecatheon integrifolium Michx. err. det. Hook. Fl. Bor. Am, 2: 118. 1888. 
Dodecatheon integrifolium vulgare Hook. 1. ¢. 
Dodecatheon meadia pauciflorum Durand, Pl. Pratt. 95. 1855. 
Dodecatheon pauciflorum Greene, Pittonia 2:72. 1890. 
Typr Locauity: ‘Woody country of the Hudson’s Bay territories to Carlton House 
Fort, and in prairies of the Rocky Mountains.” 
Rance: Washington to Saskatchewan and New Mexico. 
SPECIMENS EXAMINED: Coupeville, Gardner 201; Admiralty Head, Piper, May, 1893; 
Orcas Island, Lyall in 1859; Pullman, Piper 1730; Elmer 174; Toppenish, Cotton 1137. 
ZONAL DISTRIBUTION: Transition. 
2. Dodecatheon puberulum (Nutt.) 
Dodecatheon meadia puberula Nutt. Journ. Acad. Phila. 7: 48. 1834. 
Dodecatheon cusickii Greene, Pittonia 2: 73. 1890. 
Dodecatheon puberulentum Heller, Bull. Torr, Club 24: 311. 1897. 
Type Locauity: ‘Near the borders of Flathead river.” 
RanaeE: British Columbia to Oregon and Idaho. 
SPECIMENS EXAMINED: Rock Lake, Sandberg & Leiberg, May, 1893; Pasco, Hindshaw 5; 
Spangle, Piper, May 24, 1898; Spokane, Velson 2880; Piper, May 16, 1896; Waitsburg, 
Horner 117; Kamiak Butte, Moore, June 4, 1893; Pullman, Piper 1814, 1730; Elmer 174; 
Almota, Piper 1793; White Salmon, Suksdorf’ 280; Wenache, Whited 1018; Rattlesnake 
Mountains, Cotton 357. 
ZONAL DISTRIBUTION: Arid Transition. 
The types of meadia puberula and puberulentum are identical, the whole plant excepting 
the blades being puberulent. The type of cusickii has the whole herbage puberulent, but 
otherwise is the same. Both forms occur together and thus the difference seems of no value. 
3. Dodecatheon dentatum Hook. Fl. Bor. Am. 2: 119. 1888. 
Dodecatheon meadia latilobum A. Gray, Syn. Fl. 21: 58. 1878. 
Tyre Locauity: ‘“N.W. interior.’ Collected by Douglas. 
Rance: British Columbia to Utah. 
SPECIMENS EXAMINED: Wenache Mountains, Elmer 438; Brandegee 956; Cascade Moun- 
tains, latitude 49°, Lyall in 1860; Icicle Creek, Sandberg &: Leiberg 558; without locality, 
Vasey in 1889; Cape Horn, Piper 4974. 
