358 GENTIANACEAE 



and Oregon, and the coast of California to Mendocino County. Type locality: Fort Vancouver, Washington. 

 June-Sept. 



Gentiana sceptrum var. humilis Engelm. ex A. Gray, Bot. Calif. 1: 483. 1876. This is a smaller plant with 

 smaller oblong-elliptic leaves that is found along the coast of southern Oregon and California. The type came from 

 the Mendocino Plains, California. 



5. Gentiana setigera A. Gray. Elegant or Mendocino Gentian. Fig. 3801. 



Gentiana setigera A. Gray, Proc. Amer. Acad. 11 : 84. 1876. 

 Gentiana californica Kusnezow, Act. Hort. Petrop. 13: 59. 1893. 

 Pneumonanthe setigera Greene, Leaflets Bot. Obs. 1: 71. 1904. 



Stems Stout, several from the crowTi of stout fleshy roots, erect or ascending, 20-30 cm. 

 high. Leaves about six pairs, rather thick, suborbicular to broadly ovate, 2.5-5 cm. long; flowers 

 solitary or usually several in the axil of the upper pair of leaves, these little reduced and con- 

 cealing much of the flowers ; sometimes with one or two flowers from the next pair of leaves, 

 sessile or short-peduncled and bearing a pair of foliaceous bracts closely subtending the calyx ; 

 calyx-tube 12-15 mm. long, the lobes mostly oblong-oblanceolate, 12-20 mm. long; corolla blue, 

 Z-A cm. long, broadly funnelform, the lobes 7-12 mm. long, 7-8 mm. broad, erose, rounded at 

 apex and apiculate, the lobes of the plaits bearing 2-8 capillary bristles about equaling the 

 corolla-lobes; anthers 3-4 mm. long; capsule ellipsoid, 18-20 mm. long; stipe 16-18 mm. long; 

 seed about 1 mm. long and about as wide, evenly winged all around. 



Wet meadows and bogs, Transition and Canadian Zones; Salmon Mountains, Trinity Mountains, and on Red 

 Mountain, northern Mendocino County, California. Type locality: Red Mountain, Mendocino County. July- 

 Sept. 



6. Gentiana bisetaea Howell. Waldo Gentian. Fig. 3802. 



Gentiana bisetaea Howell, Fl. N.W. Amer. 445. 1901. 



Stems several from a stout root crown, erect or ascending, 20-45 cm. high. Leaves elliptic- 

 oblong to oblong-lanceolate, 2.5-6 cm. long, the upper pair reduced and not concealing the 

 flower; flowers solitary or sometimes 3-4 at the summit, sessile in the axils of the closely 

 subtending bracts ; calyx-tube pale, 8-10 mm. long, the lobes lanceolate-oblong, 5-8 mm. long ; 

 corolla blue, funnelform, 2.5-3.5 cm. long, the lobes 14-16 mm. long, about 6 mm. wide, acutish 

 at apex but not apiculate, lobes of the plaits with 2 capillary bristles, about half the length of 

 the corolla-lobes ; anthers oblong, 3^ mm. long ; capsule narrowly ellipsoid, stipitate ; seeds 

 oblong, broadly winged all around. 



In bogs and along streams. Transition Zone; eastern slopes of the Coast Ranges west of Kirby and Waldo, 

 Josephine County, Oregon. Type locality: "In marshes, eastern base of the Coast Mountains, near Waldo, Ore- 

 gon." Aug.-Sept. 



7. Gentiana calycosa Griseb. Explorers' Gentian. Fig. 3803. 



Gentiana calycosa Griseb. in Hook. Fl. Bor. Amer. 2: 58. pi. 146. 1838. 

 Gentiana calycosa var. stricta Griseb. loc. cit. 

 Gentiana Gormanii Howell, Fl. N.W. Amer. 446. 1901. 

 Pneumonanthe calycosa Greene, Leaflets Bot. Obs. 1: 71. 1904. 

 Dasystephana calycosa Rydb. Bull. Torrey Club 40: 464. 1913. 

 Gentiana Cusickii Gandoger, Bull. Soc. Bot. Fr. 65: 60. 1918. 



Stems several to many from a stout simple or branched root-crown, erect or ascending, 

 15-35 cm. high. Leaves round-oval to ovate, 2-4 cm. long, abruptly rounded or subcordate at 

 base ; flowers 1-3 or solitary at the apex and sometimes with 1 or 2 in the upper axils, these 

 sessile or pedunculate, closely subtended by a pair of narrowly ovate or lanceolate bracts ; calyx- 

 tube pedicles obsolete ; calyx-tube 6-8 mm. long, the lobes oblong to oblong-lanceolate, equaling 

 or exceeding the tube ; corolla blue, 25-35 mm. long, broadly funnelform-campanulate, the lobes 

 7-10 mm. long, broadly ovate to obovate, rounded at apex or mucronate ; lobes of the plaits 

 acute or acuminate, about half to nearly as long as the corolla-lobes ; anthers 3^ mm. long ; 

 capsule 16-17 mm. long, the stipe about 10 mm. long; body of the seed about 1.5 mm. long, the 

 wings narrow on the side, prolonged at the ends. 



Alpine meadows, Boreal Zones; Washington, both the Olympic and Cascade Mountains south to the Trinity 

 Mountains and the southern Sierra Nevada, California, east to Montana and Wyoming. Type locality: Mount 

 Rainier, Washington. July-Sept. Mountain Bog Gentian. 



8. Gentiana Douglasiana Bong. Douglas' Gentian. Fig. 3804. 



Gentiana Douglasiana Bong. Mem. Acad. St. Petersb. VI. 2: 156. pi. 6. 1831. 



Annual, with a slender, simple or commonly cymosely branched stem, 6-15 cm. high. Basal 

 leaves ovate to round-ovate, 6-9 mm. long; stem-leaves rather distant, ovate, 4-6 mm. long, 

 divaricately spreading ; flowers terminating the branches or on slender peduncles ; bracts closely 

 subtending the calyx, ovate, 2-3 mm. long ; calyx 4-5 mm. long, the lobes lanceolate, shorter 

 than the tube ; corolla white, 8-12 mm. long, funnelform, the lobes oblong, shorter than the 

 tube, the plaits in the sinuses with a 2-lobed appendage over half the length of the corolla- 

 lobes ; capsule obovoid, stipitate; seeds oblong, apiculate at both ends, 1.5 mm. long. 



Alpine bogs and open meadows. Boreal Zones; Alaska to Vancouver Island (Port Renfrew) and the Cascade 

 Mountains, Washington, where it has been collected by J. W. Thompson in Snoqualmie Pass, at an elevation of 

 3,000 feet. Type locality: mountains of western North America. Collected by Douglas. July-Sept. 



