EVENING PRIMROSE FAMILY 567 



arising from branching scaly rootstocks; herbage pallid, glabrous, very glaucous; 

 leaf -blades oblong-lanceolate to linear, entire or essentially so, 1 to 2l^ inches long, 

 mostly rather closely ascending, sessile or the lowermost very short-petiolate; 

 petals pale lavender or nearly white, 2 to 4 lines long. 



Springy ground or clefts of cliffs in the mountains, 3000 to 10,000 feet : moun- 

 tains of coastal Southern California; Sierra Nevada from Tulare Co. to Siskiyou 

 Co.; Trinity Co. North to Washington. June- July. 



Locs. — S. Cal.: San Diego Co., Gregory; Mt. San Jacinto, Mary Spencer; Icehouse Canon, 

 San Gabriel Mts., Peirson 124 ; Prairie Fork, San Gabriel Eiver, Peirson 2499 ; Glen Martin, San 

 Bernardino Mts., D. L. Crawford; Middle Creek, Mt. Pinos, Hall 6643. Sierra Nevada: Little 

 Kern Eiver, Purpus 5152; Coyote Pass, Kern Canon, Jepson 978; Wavsrona, Congdon; Stubble- 

 field Canon, Tuolumne Co., Jepson 4566; Kennedy Lake, Tuolumne Co., A. L. Grant 209; Silver 

 Valley, Alpine Co., Jepson 10,102; Cascade Lake, Tallac, Eldorado Co., C. J. Fox Jr.; Donner 

 Lake, Sonne 111; Eich Pt., Middle Fork Feather Eiver, Jepson 10,620; Chico Mdws., Butte Co., 

 Heller 11,601; Susanville, Pearl Safford; Morgan Sprs., Tehama Co., Jepson 12,322; Mt. Shasta, 

 Jepson 14,467. 



Eefs. — EpiLOBitTM GLABERRIMUM Barbcy ; B. & W. Bot. Cal. 1:220 (1876), type loc. Yose- 

 mite Valley, Bolander; Jepson, Man. 669 (1925). E. fastigiatum subsp. glaherrimum Piper, Con- 

 trib. U. S. Nat. Herb. 11 : 404 (1906). E. glaherrimum var. fastigiatum Trel. Eep. Mo. Bot. Gard. 

 2:105, pi. 39 (1891) ; Jepson, Man. 669 (1925). E. affine var. fastigiatum Nutt. ; T. & G. Fl. 

 1:489 (1840), type loc. "plains of the Oregon", Nuttall. E. fastigiatum Piper, Contrib. U. S. 

 Nat. Herb. 11:404 (1906). E. glaherrimum var. latifolium Barbey; B. & W. Bot. Cal. 1:220 

 (1876), type loc. Sierra Co., Lemmon. E. platyphyllum Eydb. Bull. Torr. Club 40:63 (1913). 



7. E. anagallidifolium Lam. Purple Cottonweed. Stems simple, many, 

 forming a diffuse or erect tuft, 2i/2 to 6 inches long, arising from the numerous 

 slender branches of the root-crown ; herbage glabrous or the stems with pubescent 

 lines; leaf -blades elliptic or oblong to narrow-ovate, obtuse, entire, 2 to 6 lines long, 

 contracted to a short but distinct petiole; racemes nodding a little at first; petals 

 lilac, red or purple, 1 to II/2 lines long; racemes maturing 1 to 4 capsules. 



High montane, 9000 to 10,400 feet: Tulare Co.; Modoc Co. East to Colorado, 

 north to arctic America; Europe, Asia. Aug. 



Locs. — Farewell Gap, Purpus 5668 ; Eagle Peak, Warner Mts., Jepson 7979. 

 Eefs. — Epilobium anagallidifolium Lam. Encyc. 2:376 (1788), type loc. "Mont-d'Or" 

 [Plomb du Cantal, Auvergne Mts., France] ; Jepson, Man. 669 (1925). 



8. E. alpinum L. Alpine Cottonweed. Stems slender, erect, simple, few to 

 many from a slender rootstock, 4 to 12 inches high, stoloniferous; herbage glabrous; 

 leaf -blades elliptic or oblong-ovate, mostly obtuse, entire or obscurely denticulate, 

 very thin, bright green and glabrous, % to 11/2 inches long, narrowed to a petiole 

 1 to 2 lines long, somewhat spreading; petals white or pink, II/2 to 2i/2 liiies long; 

 racemes maturing 1 to 6 (or 9) capsules. 



Wet woods, 6000 to 9000 feet : Sierra Nevada from Tulare to Siskiyou Co. 

 North to Alaska, east to Labrador; Europe. June-Aug. 



Locs.— Soda Creek, Sawtooth Eange, Purpus 2018; Alta Mdws., Tulare Co., K. Brandegee; 

 Mt. Silliman, K. Brandegee; Lake Merced, Merced Eiver, Jepson 4.4:24, ; Carson Pass, Jepson 

 8112; Donner Lake, Heller 7044; Long Lake, Plumas Co., Hall 9323; Medicine Lake, e. Siskiyou 

 Co., M. S. BaTcer 509 ; Mt. Shasta, Brewer 1417. 



Eefs.— Epilobium alpinum L. Sp. PI. 348 (1753), type from Alps, Switzerland; Jepson, 

 Man. 669 (1925). E. lactiflorum Hausskn. Oesterr. Bot. Zeitschr. 29:89 (1879), "hab. in maxima 

 parte Scandinaviae, in Lapponia, Islandia, Kamtschatka, Sitka, Unalaschka, Gronlandia, Labra- 

 doria usque ad terram Hudsonicam". 



9. E. oregonense Hausskn. Oregon Cottonweed. Stems simple, slender, 

 erect, 3 to 6 (or 9) inches high, 1 or few from a slender rootstock, the leaves more 

 or less crowded below, reduced and sparse above; herbage glabrous; leaf -blades 

 linear to oblong or ovate-oblong, usually obtuse, sessile with a more or less rounded 

 base, usually entire or rarely obscurely denticulate, 3 to 8 lines long; petals cream- 



