328 BOTANICAL GAZETTE [april 



M., St.); Franklin County: Pasco, June 1902, jE. P. Baker (no. 70, m.; M.; vel 

 ad 5. sessUifoliam referenda); Lincoln County: Sprague, alt. 560 m., June 3, 

 1893, /. H. Sandberg and /. B. Leiberg (no. 134; W.; forma porro observanda, 

 pauUo ad S. exiguam spectans). — Oregon: Sherman County: Biggs, along 

 stream, i mile south of Columbia River, August i, 1914, C. R. Ball (no. 1848, 

 fr.; W.); Wasco County: Tygh Valley, June 1881 (vel 1880), T. J. Howell 

 (m. vel androgyn.; A., M.); Hood River County, Hood River, May 25, 1879, 

 J. T. J. Howell {m. vel androgyn.; C); Klamath County: along Sprague 

 River above Yainax Valley, F. V. Coville, August 23, 1902 (no. 1312, St.; forma 

 quamvis incerta) ; Josephine County: Grant's Pass, August 23, 1904, /. G. Jack 

 (st., A.; forma incerta); same place and date, A. Rehder (st.; "large shrub": 

 ut praecedens); ? County: Cache Bar, between Cache and Gordon creeks on 

 Snake River, alt. 380m., June 19, 1897, E. P. Sheldon (no. 8325, m.); east 

 Oregon, without exact locality, stream banks, May 9, June 7, September 1898, 

 W. C. Cusick (no. i860, m., f., fr.; M.; "a straight upright shrub"; forma 

 fohis lanceolatis satis denticulatis) . — British Columbia: Kootenay District, 

 Cascade, near international boundary between Kettle and Columbia rivers, 

 June 26, 1902, /. M. Macoun (no. 68128, O.; m.; G.). 



6. S. EXiGUA Nutt. Sylva N. Am. 1:75. 1843; Rowlee in Bull. 

 Torr. Bot. Club 27:255. pi. 9, fig. 15. 1900, pro parte; Piper and 

 Beattie, Fl. Palouse Reg. Wash. 53. 1901; Howell, Fl. Northw. 

 Am. 1:618. 1902; Piper in Contr. U.S. Nat. Herb. 6:213 (Fl. 

 Wash.). 1906; BrittonandShafer, N.Am. Trees 195, ^g. J55. 1908; 

 Ball in Coult. and Nels., New Man. Rocky Mts. Bot. 131. 1909; 

 Garrett, Spring Fl. Wasatch Reg. 10. 1901, pro parte; ed. 2. 16. 

 1912, pro parte; Rydberg, Fl. Rocky Mts. 192. 1917, pro parte. — 

 ^S*. longijolia var. /3 Hooker, Fl. Bor. Am. 2:149. 1839, quoad 

 specim. Tolmieana. — S. longifolia Wats., Cat. PI. Nev. Utah, in 

 King's Rep. 5:324. 1871, quoad specim. no. 1094, non Muhl.; 

 Bebb in Coult., Man. Rocky Mts. Bot. 335. 1885, pro parte; Jeps. 

 in Mem. Univ. Calif. 2:178 (Silva Calif.) 1910, pro parte. — S. longi- 

 folia var. exigua Bebb in Wats., Bot. Calif. 2:85. 1879; Jones, 

 Willow Fam. 24. 1908, pro parte. — 5. longifolia var. argyrophylla 

 Macoun Cat. Can. PI. 1:450. 1883, pro parte; Jeps. in Mem. 

 I.e. pro parte. — S.fluviatilis var. exigua Sarg., Silva N. Am. 9:124. 

 1896, pro parte; Sud worth in Bull. U.S. Dept. Agr. Div. For. 14:122 

 (Nomencl. Arb. FL). 1897, pro parte max; For. Trees Pacif. Slope 

 223. 1908.— 5. longifolia var. argophylla Jones, Willow Fam. 24. 

 1908, pro parte. — S. argophylla Henry, Fl. S. Br. Col. 96. 1915; 



