492 



SALICACEAE 



9. Salix parishiana Rowlee. 



Parish Willow. 



Fig-. 



1198. 



Salix parishiana Rowlee, Bull. Torrey Club 27 : 

 249. pi. 9, f. 3. 1900. 



Shrub 1-3 ni. high ; young twigs silky 

 tomentose; leaves exstipulate, narrowly 

 Hnear to linear-lanceolate, 4-7 cm. long, 

 2-5 mm. wide, gray silky-pubescent, becom- 

 ing glabrate, nearly entire ; aments seroti- 

 nous, 2-3 cm. long, on long leafy peduncles ; 

 capsules 5 mm. long, densely sericeus, be- 

 coming glabrate in age ; pedicel very short ; 

 style very short ; stigmas linear, about 1 mm. 

 long ; scales elliptical, yellow, villous ; sta- 

 mens 2, filaments pubescent. 



Stream banks, Upper and Lower Sonoran 

 Zones; California, southern portion from Tulare 

 and Los Angeles Counties southward. Type lo- 

 cality: Matilija Caiion, Ventura County. 



8. Salix fluviatilis Nutt. 

 River Willow. Fig. 1197 



Salix fluviatilis Nuttall, Sylva 1: 73. 1843. 



Shrub 2-5 m. high ; young twigs tomentose, 

 leaves narrowly elliptical, linear-lanceolate, 

 or linear-oblanceolate, acute, 5-7 cm. long, 

 8-15 mm. wide, the larger 8-10 cm. by 15- 

 20 mm. remotely spinulose-denticulate, green 

 above, paler or occasionally subglaucous be- 

 neath, thinly silky-villous, becoming glabrate; 

 aments serotinous, 2>-7 cm. long, usually 2-5 

 together, on long leafy branches ; capsule lan- 

 ceolate, 5-7 mm. long, subsessile. villous to 

 nearly glabrous in age ; style short, stigmas 

 divided. 1 mm. long; scales, elliptic-lanceolate, 

 3 mm. long, yellow, glabrate; stamens 2, fila- 

 ments pubescent. 



Transition Zone; on the lower Columbia River from 

 The Dalles westward, and southward up the Willamette 

 River in Multnomah County, Oregon. Type locality: 

 the "border of the Oregon (Columbia) a little below its 

 confluence with the Wahlamet" (Willamette). 



10. Salix argophylla Nuttall. 



Silver-Leaved Willow. 



Fig. 



1199. 



Salix argophylla Nutt. Sylva 1: 71. pi. 20. 1843. 

 Salix nialacophylla Nutt. ined. (Specimens in Kew 

 and Gray Herbaria.) 



Shrub 2-4 m. high ; young twigs densely 

 white villous-tomentose ; leaves stipulate 

 (occasionally), linear to linear-oblanceolate, 

 4-6 or 8 cm. long, 5-8 or 12 mm. wide, 

 acute at both ends, aristate at apex, nearly 

 entire, densely villous with shining white 

 hairs ; aments serotinous, terminating leafy 

 shoots, 1-3 together, 2-4 cm. long ; scales 

 lanceolate, acute, villous ; capsules lanceo- 

 late, 5-6 mm. long; densely villous, pedi- 

 cel about 0.5 mm.; style obsolete, stigmas' 

 divided, about 0.5 mm. long. 



Stream banks, mainly Upper Sonoran Zone; 

 Washington and (3regon, east of the Cascade Moun- 

 tains to northern Nevada, east throughout Idaho to 

 northeastern Utah and northwestern Montana. 

 Type locality: "the river Boisee, toward its junction 

 with the Shoshone" (Snake), in west central Idaho. 



