CATALOGUE OF FOREST TREES. 167 



308. Salix laevigata, Bebb, 

 Am. Nat. viii, 202; Bot. CaliforDia, ii, 83. 



"WILLOW. 



Califoruia, Sierra county (Lemmon) and the vallej' of the Sacramento river to the southern boundary of the 

 st.^te. 



A tree sometimes 15 meters in height, with a trunk 0.30 to 0.60 meter in diameter; borders of streams and 

 bottom lands. 



A form with narrower falcate leaves (Yreka, U, L. Greene) is 



var. angUStifolia, Bcbb in Bot. California, ii, 84. Eothrock in Wheeler's Eep. vi, 374. 



A form with short, densely-flowered aments is 



var. congesta, Bebb in Bot. California, ii, 84. 



Wood light, soft, not strong, brittle, close-grained, compact ; medullary rays numerous, very thin ; color, light 

 brown tinged with red ; specific gravity, 0.4872 ; ash, 0.58. 



309. Salix lasiandra, Bentham, 



PI. Hartweg. 336. Torrey in Pacific R. E. Eep. iv, 138. Newberry in Pacific E. E. Eep. vi, 89. Bebb in Bot. California, ii, 84. 



S. Hoffmanniana, Hooker & Arnott, Bot. Beechey, 159. 



S. Speciosa, Nuttall, Sylva, i, 58, t. 17; 2 ed. i, 74, 1. 17 [not Hooker & Arnott]. Newberry in Pacific E. E. Eep. vi, 89. 

 Cooper in Pacific R. E. Eep. xii'', 29. 



S. Incida, var. angUStifoUa, forma lasiandra, Andersson in Ofv. af. Vet. Akad. Forh. 1858, 115 (Proc. Am. Acad. 

 iv,54). 



S. arguta, var. lasiandra, Andersson in Kongl. Sven. Akad. Handl. vi, 33; De Candolle, Prodr. xvi^ 20C. 



WILLOW. 



British Columbia, shores of lake Kamloop {Macoun), southward to the valley of the Sacramento river, 

 California; Eocky mountains, Utah, and through Colorado to New Mexico (var. Fendleriana). 



A tree 12 to 18 meters in height, with a trunk sometimes O.GO meter in diameter; banks of streams; ve^ 

 common ; varying in the shape of the leaves and character of the aments. 



The best marked forms are 



var. lancifolia, Bebb iu Bot. California, ii, 84. 



S. lancifolia, Andersson in Kongl. Sven. Akad. Handl. vi, 34, f. 23. Gray in Proc. Am. Acad, vii, 402. Hall in Coulter's 

 Bot. Gazette, ii, 91. 



S. lucida, vav. macropliylla, Andersson in De Candolle, Prodr. xvi^ 205. 



Tfce common form of British Columbia ^nd western Washington territory and Oregon. 



var. Fendleriana, Bebb in Bot. California, ii, 84. 



S. pentandra, var. caudata, Nuttall, Sylva, i, 61, t. 18; 2 ed. i, 77, t. 18. 



S. Fendleriana, Andersson in Ofv. af. Vet. Akad. Forh. 1858, 115 (Proc. Am. Acad, iv, 54). Walpers, Ann. v, 745. 



8. arguta, Andersson in Kongl. Sven. Akad. Handl. vi, 32; De Candolle, Prodr. xvi^, 205, in part. 



Wood light, soft, not strong, brittle, close-grained, compact; medullary rays numerous, very obscure; color, 

 light brown, the sap-wood lighter or often nearly white; specific gravity, 0.4766; ash, 0.60. Var. lancifolia, 

 specific gravity, 0.4547 ; ash, 0.79. Var. Fendleriana, the heart-wood brown, sap-wood light brown ; specific gravity, 

 0,4598; ash, 0.56. 



