398 POLEMONIACEAE 



3. Polemonium carneum A. Gray, Great Polemonium. Fig. 3889. 



Polemonium carneum A. Gray, Syn. Fl. N. Amer. 2^: 151. 1878. 



Perennial, 4-8 dm. high, branching from the base, decumbent in age, stems stoutish, 3-5 mm. 

 in diameter, microscopically pubescent with round-tipped hairs. Leaflets 6-10 pairs, ovate to 

 oblong-lanceolate, to 4 cm. in length, the terminal 3 leaflets often confluent; inflorescence a 

 cyme, pedicels 2-10 mm. long; calyx 7-18 mm. long, the lobes slightly exceeding the tube, finely 

 pubescent with round-tipped nonglandular hairs ; corolla rotate-campanulate, 10-25 mm. broad, 

 about the same in length, salmon or flesh-colored, ageing purple, the lobes broad, rounded to 

 obovate, slightly longer than the tube; stamens inserted slightly below the middle of the tube, 

 2-5 mm. from the base, subequaling the corolla, filaments slender, pubescent at the base; ovary 

 and style exceeding the corolla, style exserted in bud. 



Moist soil, SO to 3,000 feet altitude, Transition Zone; Siskiyou region of southern Oregon and northern 

 California, south in the Coast Ranges to San Mateo County. Type locality: Siskiyou County, California. 

 May-Sept. 



Polemonium cameum subsp. luteum (A. Gray) Brand, Pflanzenreich 4^^: 41. 1907. (Polemonium car- 

 neum var. luteum A. Gray, Syn. Fl. N. Amer. ed. 2. 2^: 412. 1886; P. luteum Howell. Fl. N.W. Amer. 463. 

 1901.) Characteristics of the species, but corolla yellow. Range scattered throughout Oregon and Washington, 

 intergrading with the typical species in southern Oregon. Type locality: "Cascade Mountains, Oregon." 



4. Polemonium occidentale Greene. Western Polemonium. Fig. 3890. 



Polemonium occidentale Greene, Pittonia 2: 75. 1890. 

 Polemonium caeruleum of western authors, not L. 



Perennial, 3-9 dm. high, stems slender, solitary, erect, from a decumbent base or horizontal 

 rootstock, glabrous to finely pubescent. Leaflets 7-13 pairs, ovate-lanceolate, acute at apex, 

 rotund and oblique at base, upper 3 leaflets often confluent, 1-3 cm. long, 2-8 mm. broad, 

 glabrous ; inflorescence a cyme ; bracts entire to pinnatifid, 2-7 mm. long, glandular-pubescent ; 

 pedicels short, subequaling the calyx; calyx 4-10 mm. long, the lobes subequaling the tube, or 

 commonly slightly longer, glandular-pubescent; corolla rotate-campanulate, 1.5-2 cm. broad, 

 the blue, broadly ovate lobes slightly exceeding the tube ; stamens inserted half way up the 

 corolla-tube, equaling the corolla in length, filaments pubescent at the base ; ovary and style 

 conspicuously longer than the corolla, often exceeding it by 5 mm. 



In wet places, 2,000 to 10,000 feet altitude. Transition and Boreal Zones; British Columbia to southern Cali- 

 fornia, east to Colorado. Type locality: Rocky Mountains of Colorado. June-Sept. 



Polemonium H611eri Brand, Pflanzenreich 4^^: 32. 1907. Flowers smaller, 10 mm. long; anthers subses- 

 sile on very short filaments. Recorded only from the type locality, Truckee, Nevada County, California. 



5. Polemonium californicum Eastw. Low Polemonium, Fig. 3891. 



Polemonium californicum Eastw. Bot. Gaz. 37: 437. 1904. 



Polemonium calycinum Eastw. op. cit. 438. 



Polemonium tricolor Eastw. op. cit. 439. 



Polemonium Tevisii Eastw. op. cit. 440. 



Polemonium columbianum Rydb. Bull. Torrey Club 40: 477. 1913. 



Perennial from a slender horizontal rootstock, 1-2 (occasionally 3) dm. high, stems solitary 

 to subcespitose, glandular-pubescent. Leaflets 5-11 pairs, ovate, lanceolate, or oblong, mostly 

 acute, the upper 3 commonly confluent, 3-20 mm. long, 1-8 mm. broad, thin, from glabrous 

 to glandular-pilose ; inflorescence a cyme ; bracts entire to pinnatifid, glandular-pubescent ; 

 flowers many, on slender pedicels subequaling the calyx ; calyx narrowly campanulate, 5-8 mm. 

 long, the lobes twice, or at least one and one-half times the length of the tube, glandular-pu- 

 bescent; corolla rotate-campanulate, 8-15 mm. broad, the lobes twice as long as the tube, blue; 

 stamens inserted half way up the tube, pubescent at the base, subequaling the corolla ; ovary 

 and style exceeding the corolla by the length of the stigmas. 



Alpine valleys and flats, in granitic soils, Boreal Zones; Olympic Mountains, Washington, and the Cascades, 

 southern British Columbia, south to the Sierra Nevada, California, and east to Idaho. Type locality: Snow 

 Flat, on the old Tioga Road, Yosemite National Park. June— Aug. 



6. Polemonium pulcherrimum Hook. Showy Polemonium. Fig, 3892. 



Polemonium pulcherrimum Hook. Bot. Mag. 57: pi. 2979. 1830. 



Polemonium Bcrryi Eastw. Bot. Gaz. 37: 440. 1904. 



Polemonium montroscnsis A. Nels. Proc. Biol. Soc. Wash. 18: 174. 1905. 



Perennial, 1-3 dm. high, erect, becoming cespitose in age, glabrous. Leaflets 5-11 pairs, 

 ovate to rotund, obtuse, entire, 2-8 mm. long, 1-5 mm. broad, sparsely pubescent with scattered 

 short glandular hairs, the upper leaflets discrete ; inflorescence a cyme, pedicels long, slender, 

 exceeding the calyx ; bracts entire to pinnatifid, up to 7 mm. long ; calyx campanulate, 4-6 mm. 

 long, lobes equaling the tube, glandular-pubescent ; corolla rotate-campanulate, 5-8 mm. long, 

 the same in breadth, the blue, ovate, obtuse lobes subequaling the yellowish tube; stamens 

 inserted below the middle of the tube, subequaling the corolla, bases pubescent ; ovary and style 

 subequaling the corolla. 



Usually in volcanic soils. Boreal Zones; Aleutian Islands, Alaska, Yukon, and British Columbia, south in 

 the Pacific States to the southern Sierra Nevada, California, and in the Rocky Mountains to Colorado. Type 

 locality: "highest of the Rocky Mountains," in southern British Columbia. June-Aug. 



Polemonium pulcherrimum var. pilosum (Greenm.) J. F. Davidson. (Polemonium viscosum var. pilosum 

 Greenm. Bot. Gaz. 25: 263. 1898; P. shastense Eastw. Bull. Torrey Club 32: 205. 1905.) Perennial, densely 

 cespitose from a stout rootstock, 6-10 (occasionally 15) cm. high, glandular-pubescent. Leaflets crowded, rotund 



