104 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
50mm. wide, truncate or retuse at the apex, gradually narrowed to the base or abruptly 
narrowed into a short claw; petals very thick, oblong, equaling the stamens; these 
in 5 to 7 rows, their anthers slightly exceeding the filaments; capsules globose-ovoid 
to almost cylindrical, 45 to 90 mm. high and 35 to 60 mm. in diameter, abruptly con- 
stricted above, rather conspicuously ribbed throughout; stigma rays 14 to 30, usually 
20 to 25; crater suborbicular, 30 to 35 mm. in diameter, usually about 20 mm. deep, 
its margin almost entire, sometimes slightly undulate; rays linear, with no trace of a 
median groove, distinct, 14 to 18 mm. long, extending to within 1 mm. of the edge of 
the disk; center of the crater smooth; outer sepals oil green, yellowish at the tips; 
inner sepals chrome yellow, the tips usually shaded with green; petals greenish 
yellow, their inner surfaces tinged with purplish brown except at the base and tip; 
filaments light greenish yellow, the anthers dark prune purple; pollen straw yellow; 
fruit varying in color from light apple green to citron yellow; seeds 3.5 to 4 mm. long, 
oblong, dull brown, shining. (Piares 42, G, facing p. 96; 46, 47. Ficures 16, ¢, 
38-40. ) 
EXPLANATION OF PLATES 46, 47.—Pl. 46, Nymphaca polysepala at Crater Butte, Colorado; photographed 
by Mr. E. R. Warren. PI. 47, fruit of Nymphaea polysepala (typical). Natural size. 
Specimens examined: 
In formalin— 
AtasKa: Iliamna, 1902, W. 1. Osgood; Kodiak, 1901, W. J. Fisher. 
WASHINGTON: Tacoma, 1902, Flett; same locality, 1901, Fleit. 
Ipano: Henrys Lake, Lake P. O., 1901, J. Sherwood. 
Wyominac: Beaver Lake, Yellowstone National Park, 1902, Mearns. 
Sours Daxkora: Spearfish, 1901, D. C. Booth. 
CoLorapbo: Near Boulder, 1902, R. T. Young; near Leadville, 1901, Tulian. 
CatirorniA: Near Albion, Mendocino County, 1901, James Mc Murphy; Stock- 
ton, 1902, LZ. Belding. 
Dry— 
AuasKA: Yakutat Bay, 1899, Trelease & Saunders 3758, 3758a, 3759, 3760 (Mo.); 
Yakutat, 1904, Piper 4362; Seldovia, 1904, Piper 4346; vicinity of Yakutat 
Bay, Khantaak Island, 1892, Funston 43; Copper River Region, 1902, Wm. 
L. Poto 114; Kodiak, 1900, Walpole 1173; Sitka, 1900, Walpole 1132; Camp 
Retreat, 1886, H. G. U. Stoney; Yakutat Mission, 1899, Trelease 3759; near 
Orca, Prince William Sound, 1899, Coville & Kearney 1317; Kodiak, 1899, 
Coville & Kearney 2323; Kodiak, 1897, Evans 394; Short Bay, 1895, Gorman 
107; Kodiak, 1874, U. S. Coast Survey (Gray); in small mountain ponds near 
Yes Bay, 1895, T. Howell (Greene). 
British Cotumsra: Vancouver Island, 1893, Macoun (Greene); Chilliwick Val- 
ley, 1901, Macoun 33763; Revelstoke, 1890, Macoun; Victoria, Vancouver 
Island, J. R. Anderson; swamp by Goldstream, Selkirks, 1903, C. H. 
Shaw 936 (Phila.); San Juan Lake and River, Vancouver Island, 1902, 
Rosendahl 893 (N. Y.); Fort Rupert, Vancouver Island, 1904, Geo. Hunt 
(N. Y.); Lower Frazer River, 1859, Lyall (Gray); near Victoria, 1885, 
Fletcher (Gray). 
WasHINGTON: Falcon Valley, 1882, Suksdorf; Union Flat, Whitman County, 
1892, Hull 421 (N, Y.); Chehalis County 1897, Lamb 1260 (N. Y.); Seattle, 
1892, Mosier; Big Meadows, 8 miles west of Ione, 1902, Kreager 426; Spokane 
River, Wilkes Exploring Expedition 546; Lake Union, King County, 1898, 
Savage, Cameron & Lencoker (Mo.). 
Oregon: Sauvies Island, 1886, JT. Howell (C.); Forest Grove, Washington 
County, 1894, F. E. Lloyd (N. Y.); without locality, 1871, Hall (Gray); 
Blue Mountains, 1888, Cusick 1525; Buck Lake, Klamath County, 1897, 
Coville & Applegate 48; in a slough near Todds, Forest Grove, 1902, 7. E. 
