PIPER FLORA OF THE STATE OF WASHINGTON. 89 



Range: Washington, Oregon, and Idaho. 



Specimens examined: Cusick, Stevens County, Piper 4209; Lake KaHspcl, Kieaqer 335. 



4. Isoetes paupercula (Engelm.) A. A. Eaton, Proc. U. S. Nat. Mus. 23: 649. 1901. 

 Isoetes lacustris paupercula Engehii. Trans. St. Louis Acad. 4: 377. 1S82. 



Isoetes occidenfalis 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 flettii A. A. Eaton, Fern Bull. 13: 51. 1905. 

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

 Specimens examined: Spanaway Lake, Piper 2125; Fleti 9i9. 



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, iSuhsd^if 2370, 

 Yakima region, Brandegee. 



TAXACEAE. Ykw Family. 



TAXUS. 



1. Taxus brevifolia Nutt. Sylva 3: S6. ji. lOS. 1849. Western yew. 



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



Range: British Columbia, south to Tulare County, Cal., eastward to Montana and the 

 Blue Mountains. 



Specimens examined: Nason City, Sandberg d' 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°, Lijall in 1860; Kittitas County, Sandberg 

 d' Leiberg 699; Blue Mountains, Piper, August, 1896; without locality, T^ase;/ 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 Oljmipic 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 Ta.rus baccata L., to which it is closely allied. 



PINACEAE. PixE Family. 



Scales of the fruit few, opposite; leaf-l)uds naked. 



Fruit fleshy and berry-like Jliniperus (p. 90) . 



Fruit a dry cone. 



Scales of the cone shield-shaped Ciiamaecyparis (p. 91) . 



Scales of the cone oblong, not peltate Thuja (p. 91 ) . 



