PIPER FLORA OF THE STATE OF WASHINGTOX. 89 



Range: Washington, Oregon, and Idaho. 



Specimens examined: Cusick, Stevens County, Piper 4209; Lake Kalispel, ^reagier 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 locality: Grand Lake, Middle Park, Colorado. 

 Range: Washington to California and Colorado. 

 Specimens examined: Lake Chelan, Gorman. 



5. Isoetes piperi A. A. Eaton, Fern Bull. 13: 51. 1905. 

 Type locality: "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 locality: Not ascertained. 



Specimens examined: Lake Chelan, Elmer, August, 1897; Ponds, Mount Rainier, 

 Piper 131 ; Bitter Lake, Piper in 1890. 



6b. Isoetes echinospora fiettii A. A. Eaton, Fern Bull. 13: 51. 1905. 

 Type locality: " Spanaway Lake," Pierce County, Washington. 

 Specimens examined: Spanaway Lake, Piper 2125; Fleti 949. 



7. Isoetes bolanderi Engelm. Am. Nat. 8: 214. 1874. 



Type locality: Tuolumne, California. 



Range: Washington and Idaho to California. 



Specimens examined: Mount Adams, Suksdorf 2375; Falcon Valley, SuJcsdorf 2370, 

 Yakima region, Brandegee. 



TAXACEAE. Yew Family. 



TAXTJS. 

 1. Taxus brevifolia Nutt. Sylva 3: 86. pi. 108. 1849. Western yew. 



Type locality: "In the dense maritime forests of the Oregon." Collected by Nuttall. 



Range: 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, Fase;/ 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 Taxus baccata L., to which it is closely allied. 



PINACEAE. Pine Family. 



Scales 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 Thuja (p. 91). 



