PIPER—-FLORA OF THE STATE OF WASHINGTON. 89 
Rance: Washington, Oregon, and Idaho. 
SPECIMENS EXAMINED: Cusick, Stevens County, Piper 4209; Lake Kalispel, Areager 335. 
4. Isoetes paupercula (Engelm.) A. A. Eaton, Proc. U.S. Nat. Mus. 23: 649. 1901. 
Isoetes lacustris paupercula Engelm, Trans. St. Louis Acad. 4: 377. 1882. 
Isoetes occidentalis Henderson, Bull. Torr. Club 27: 358. 1900. 
Type Locauiry: Grand Lake, Middle Park, Colorado. 
Rance: Washington to California and Colorado. 
SPECIMENS EXAMINED: Lake Chelan, Gorman. 
5. Isoetes piperi A. A. Eaton, Fern Bull. 13: 51. 1905. 
Type Locauiry: “Green Lake, near Seattle, Washington.” 
SPECIMENS EXAMINED: Green Lake, Piper 2317. 
6a. Isoetes echinospora braunii (Durieu) Engelm. in A. Gray, Man. ed. 5. 676. 1867. 
Isoetes braunii Durieu, Bull. Soc. Bot. France 11: 101. 1864. 
Type Locauiry: Not ascertained. 
SPECIMENS EXAMINED: Lake Chelan, Elmer, August, 1897; Ponds, Mount Rainier, 
Piper 131; Bitter Lake, Piper in 1890. 
6b. Isoetes echinospora flettii A. A. Eaton, Fern Bull. 18: 51. 1905. 
Type Locauity: ‘Spanaway Lake,” Pierce County, Washington. 
SPECIMENS EXAMINED: Spanaway Lake, Piper 2125; Flett 949, 
7. Isoetes bolanderi Engelm. Am. Nat. 8: 214. 1874. 
Type Locauity: Tuolumne, California. 
Rance: Washington and Idaho to California. 
SPECIMENS EXAMINED: Mount Adams, Suksdorf 2375; Falcon Valley, Suksdorf 2370, 
Yakima region, Brandegee. 
TAXACEAE. Yrw I amity. 
TAXUS. 
1. Taxus brevifolia Nutt. Sylva 3: 86. pl. 108, 1849. WESTERN YEW. 
Type Loca.ity: ‘In the dense maritime forests of the Oregon.” Collected by Nuttall. 
Rance: British Columbia, south to Tulare County, Cal., eastward to Montana and the 
Blue Mountains. 
SPECIMENS EXAMINED: Nason City, Sandberg & Leiberg, July, 1893; Arbutus Point, 
Henderson, July, 1892; upper Valley Nisqually, Allen 204; Port Ludlow, Binns, Septem- 
ber 5, 1890; Columbia River, latitude 46° to 49°, Lyall in 1860; Kittitas County, Sandberg 
& Leiberg 699; Blue Mountains, Piper, August, 1896; without locality, Vasey 57; Olympic 
Mountains, Elmer 2486. 
ZONAL DISTRIBUTION: Transition and Canadian. 
The western yew is by no means an abundant tree, occurring only scattered through 
rich, moist woods. It is, perhaps, most plentiful on the Olympic peninsula. The largest 
individuals reach a height of perhaps 12 meters and a diameter of 75 cm. In Hooker’s 
Flora this species was referred to the European T'axus baccata L., to which it is closely allied. 
PINACEAE. PIneE Famity. 
Seales of the fruit few, opposite; leaf-buds naked. 
Fruit fleshy and berry-like ....-.---.-.--:-------------- JUNIPERUS (p. 90). 
Fruit a dry cone. 
Scales of the cone shield-shaped......--------------- CHAMAECYPARIS (p. 91). 
Scales of the cone oblong, not peltate.........------- Tuusa (p. 91). 
