90 JOURNAL OF THE ARNOLD ARBORETUM [vol. i 



cm., fructifera 2-4:1-1.3 cm. pedunculo foliolato 0.8-2 cm. longo excluso 

 magna; bracteae iit in floribus masculis; ovaria sub antliesi ellipsoidea vel 

 oblongo-ovoidea, dense breviter sericeo-tomentosa, pedicello brcvi vix ad 

 1 mm. longo glandulam vix superante; styli breves, circiter 0.75-1 mm. 

 longi, integri (vel in no. 13138 Helleri subbifidi), stigmatibus oblongis 

 bifidis vix vel l/2-plo longiores; glandula 1 ut in flore masculo; fructus 

 matrji c basi ovoideo vel crasse ellipsoideo conici vel subrostrati, 4.5-5.5(-6) 

 mm. longi pedicello ad 1.25 mm. (in no. 12318 ad 2 nmi.) longo glandulam 

 ad fere 2-pIo superante excluso. 



Type Locality: lilgli niountahi near Doniier Pass, IMacer County, California. 



Specimens Examined: Calii-ounia. Placer County: lii<^li mountain near 

 Donner Pass. 18Go, J. Torrcy (No. 489, fr. in.; type; G.); by bruuk between Douner 

 Lake and Summit, July 14. 1900, W, R, Dudley (No.^0C3, fr.; st.; an typica?); Lake 

 shore above McKinncy's June 24, 1900, W. R. Dudley (No. 5527, fr.; St.; mixed with 

 sterile S. Lcmmonii Bebh; Placer-Elciorado County line, lower valley of McKuuiey's 

 Creek, June 24, 1900, ]]\ /?. Dudley (No. 5534, fr.; St.). Eldorado County: Lake 

 Tahoe Region, Gilmore Lake, alt. 2700 m., July 29, 1911, L. R. Ahrams (No. 4854, 

 fr. im.; G.); Susie Lake, 1909, A, Eastwood (No. 1262. f. ; Cab); Tahoe Region, creek 

 bank between Ikather and Suzy Lakes, 2C00 ni., July 18, 1913, F. J. Smiley (No. 

 144, fr.; G.); nioist shores of Eeho Lake, in granite, alt. circ. 2500 m., August 15, 

 1915, A. A. Heller (Nos. 12137, 12138, fr.; A., G., :M., St.; fructibus pedicellis ad 

 fere 2 mm. longis bracteam subaequilongis suffultis, ametitis peduneulo ad 1.5 em. 

 longo exeluso ad S.o; 1.3 em. magnis); Glen Alj)ine Region, Trail to Lake Lueille, 

 July 21 to August 15, 1900, A. Eastwood (No. 1038, f.; Cal.); near Glen Alpine 

 Springs, June 1900, IF. R. Dudley (No. 5002, fr.; St.) ; below Lake Lucille, June 1900, 

 ir. /?. Dudley (No. 5G53, fr.; St.); Lily Lake, August 2, 1900, A, Eastwood (No. 

 1202, m., Cal.); Heather Lake, same date and colleL'tor (No. 1212, m.; Cal.); 

 Tuolumne County: Souora Pass Road, 2900 m., August 27, 1915, A. L. Grant 

 (No. 380, st.; Jeps.; foliis anguste lanceolatis ad 11:3 cm. longis). Mariposa 

 County: Yosemite National Park, Bear Valley, 1872, //. A". Rnlander (f.; G.); Lake 

 Tenaja, August 18, 1917, .1. Eastwood (No. 447, st.; CaK; resembles Jack's specimen 

 enumerated below); Yosemite Valley, 1300-1500 m., July 10, 1911, L. R. Ahrams 

 (No. 4072, fr. im.; G.);by brook beside Nevada Fall and Cloud's Rest Trail, June 11, 

 1894, W. R. Dudley (f.; St.); Lake Merced, Merced River, 2400 m., July 10, 1909, 

 W. L. Jcpson (Nos. 3200, 3200, f.; Jeps.; fonna porro observanda); Stubblefield 

 Canyon, 2500 in., July 28, 1911, W. L. Jepson (No. 4531, f.; Jeps.); Illiluettc Can- 

 yon, 2100 m., June 20, 1912, £. B, Dabcock (No. 1057, f.; N.); Chihuahua Trail, 

 August 1, 1898, J. W. Congdon (m., fr.; G.). :Madera County: Shuteye Mt., 

 creek bank, 2C00 m., July 19, 1914, F. J. Smiley (No. 503, fr. im.; G.); same moma- 

 tain, 2200 m.. August 8, 1907, J. G. Jack (st.; A.; shoots with long narrowly elliptic 

 acute leaves up t^o 9.5:2.3 cm., and w^ith distinct seniifordate lanceolate stipules 

 somewliat suri)assing in length the petioles. Li the shape and nervation of the 

 leaves it recalls S. Coulter I but the pubescence is typical). 



This i)uzzling Willow was described in 1879 by Bebb as S. sitchensis var. 

 angxistijoha. The ty])e was collected by Torrey on a 'Mngh mountain near 

 Donner Pass'' in 18G5. This is Torrey 's No. 48!) in llic Gray Herbarium 

 and in the Herbarium of the New York Botanic Garden. Bebb quoted as 

 a synonym 5. chlorophylla var. pellifa Andersson stating that it '* accords 

 essentially (excepting the pointed leaves) with the description of S, chloro- 

 pJnjlla var. peUita Anders., though when comi)arcd with Dr. Lyall's spcci- 



