174 ONAGRACEAE 



Club 40: 64. 1913; E. altissimum Suksd. Werdenda 1: 28. 1927.) Hypanthiutn 4-6 mm. long; petals 5-8 mm. 

 long, rose to pink. Transition Zone, Washington to California and east to Montana and Colorado. Type locality: 



Manhattan, Montana. 



Epilobium paniculatum var. jucundum (A. Gray) Trelease, Rep. Mo. Bot. Card. 2: 85. 1891. {Epilohium 

 jncundum A. Gray, Proc. Amer. Acad. 12: 57. 1876; E. Hammondii Howell, Fl. N.W. Amer. 1: 224. 1903.) 

 Hypanthium 8-15 mm. long; petals 7-12 mm. long, purplish. Transition Zone, southern Washington to northern 

 California and Idaho. Type locality: Scott Valley, Siskiyou County, California. 



8. Epilobium minutum Lindl. Minute Willow-herb. Fig. 3366. 



Epilobium minutum Lindl. ex Hook. Fl. Bor. Amer. 1 : 207. 1834. 

 Crossostigma Lindleyi Spach, Ann. Mus. Paris II. 4: 404. 1835. 

 Epilobium adscendens Suksd. Deutsch. Bot. Monatss. 18: 87. 1900. 



Annual, 5-30 cm. tall, from simple or nearly so to diffusely branched, branches erect, often 

 opposite, puberulent throughout. Leaves mostly opposite, oblong-lanceolate to lanceolate or 

 oblanceolate, entire or remotely denticulate, rather fleshy, 1-2 cm. long, on a much shorter but 

 distinct petiole; flowers in axils of upper somewhat reduced leaves; pedicels 3-10 mm. lotig; 

 hypanthium less than 1 mm. long; sepals about 1.5 mm. long; petals rose-lavender to white, 

 emarginate, 2-4 mm. long ; stamens and style about one-half as long as petals ; capsule subclavate, 

 arcuate, 1.5-2.5 cm. long, beaked; seeds broadly obovoid, smooth, scarcely 1 mm. long. 



Open disturbed, dry places. Upper Sonoran and Transition Zones; British Columbia to central California, 

 and east to Montana and Nevada. Type locality: "near the Grand Rapids of the Columbia." Collected by Douglas. 

 May-Aug. 



Epilobium minutum var. foH6sum Torr. & Gray, Fl. N. Amer. 1 : 490. 1840. {Epilobium minutum var. 

 Biolettii Greene, Pittonia 2: 296. 1892; li. foliosum Suksd. Deutsch. Bot. Monatss. 18: t>7. 19UU.) Flowers 

 smaller, petals scarcely 2 mm. long; leaves narrower, with some tendency to fascicles in axils. With the species. 

 Type locality: "Dry rocks, Oregon and the Rocky Mountains of California." Collected by Nuttall. 



9. Epilobium palustre L. Marsh Willow-herb. Fig. 3367. 



Epilobium palustre L. Sp. PI. 348. 1753. 



Perennial, with filiform sobols ending in well-formed turions ; stems simple or few-branched, 

 1-3 dm. tall, glabrate below% quite canescent above with incurved hairs. Leaves mostly opposite, 

 lanceolate or oblong, obtuse, slightly revolute, not crowded, almost or quite sessile, 1-3 (5) cm. 

 long ; fruiting pedicels 1-3 cm. long ; sepals 3 mm. long ; petals 4-5 mm. long, emarginate, pale ; 

 capsule slender, suberect, 3-6 cm. long, canescent; seeds 1.5-2 mm. long, papillate, with pale 

 brownish or white coma. 



Wet places in high mountains. Transition Zone; Alaska to Washington, east to New Brunswick; also Eurasia. 

 Type locality: Europe. June-Aug. 



Epilobium leptoph^llum Raf. Precis des Decouv. 41. 1814. (Epilobium lineare Muhl. Cat. 39. 1813, 

 an illegitimate name.) Has been collected in Klickitat and Skamania Counties, Washington. It differs from 

 E. palustre in its more branched habit and narrower, petioled, more acute and more revolute leaves, which are 

 more pubescent. Ranging east to Colorado, Delaware, and New Brunswick. 



10. Epilobium glandulosum Lehm. Glandular Willow-herb. Fig. 3368. 



Epilobium glandulosum Lehm. Stirp. Pug. 2: 4. 1830; Hook. Fl. Bor. Amer. 1 : 206. 1834. 



Perennial, apparently with large loosely formed turions; stems 3-9 dm. tall, rather thick, 

 light-colored, simple or few-branched above, glabrous below, crisp-pubescent and glandular above. 

 Leaves crowded near summit, not conspicuously decreased in size in the inflorescence, ovate to 

 ovate-lanceolate, prominently serrulate, 5-12 cm. long, nearly or quite sessile ; flowers erect, near 

 end of stem ; pedicels 1-2 cm. long in fruit ; hypanthium narrow, 2-3 mm. long ; sepals suberect, 

 3-5 mm. long; petals purple, 5-10 mm. long, not conspicuously spreading; capsule 4-7 cm. 

 long, pubescent; seeds about 1.75 mm. long, with dingy coma. 



Wet places. Transition and Canadian Zones; Alaska to northern California, eastern Canada and Colordo; 

 also Japan. Type locality: Cumberland-House Fort, on the Saskatechewan. July-Aug. 



11. Epilobium exaltatum Drew. Elevated Willow-herb. Fig. 3369. 



Epilobium exaltatum Drew, Bull. Torrey Club 16: 151. 1889. 



Epilobium Sandbergii RyAh. Bull. Torrey Club 40: 64. 1913. 



Epilobium californicum var. exaltatum Jepson, Man. Fl. PI. Calif. 670. 1925. 



Epilobium glandulosum var. exaltatum Munz, Man. S. Calif. 333, 559. 1935. 



Epilobium brevistylum var. exaltatum Jepson, Fl. Calif. 2: 570. 1936. 



Perennial, with large turions; stems 3-9 dm. tall, rather slender, more or less pubescent, 

 freely branched above with very slender branches. Leaves lance-ovate, serrulate, nearly or quite 

 sessile, 5-12 cm. long, the uppermost much reduced; flowers near ends of glandular-pubescent 

 branches; pedicels 5-10 mm. long in fruit; hypanthium 2-3 mm. long, almost as wide; sepals 

 suberect, 3-4 mm. long; petals pink to rose-purple, 5-10 mm. long; capsules 3-5 cm. long; seeds 

 beaked, rugose, 1 mm. long; coma white. 



Wet places, Transition Zone; southern Washington to the San Bernardino Mountains, California, east to 

 Idaho and Nevada. Type locality: Grouse Creek, Humboldt County, California. June-Aug. 



