19211 SCHNEIDER, NOTES ON AMERICAN WILLOWS, XII. 65 



15. S. fluviatilis Nuttall. — See Schneider in Bot. Gaz. lxvii. 322. 



16. S. Parishiana Rowlee. — S. sessilifolia Jepson, pro parte. — S. longi- 

 folia var. argyrophylla Jepson, pro parte. — S. argophylla Abrams, pro 

 parte, — See Schneider in Hot. Gaz. lxvii, 323. 



17. S. argophylla Nuttall. — S. macrostachya Piper. — S. sessilifolia 

 Uritton & Shafer, pro parte. — See Schneider in Bot. Gaz. lxvii. 325. 



18. S. exigua Nuttall. — S. longifolia var. fi Hooker, pro parte. — S. 

 longifolia Watson, pro parte. — S. longifolia var. exigua Bebb, pro parte. 

 S. longifolia var. argyrophylla Macoun, pro parte. — S. fluviatilis var. 

 exigua Sargent, pro parte. — S. longifolia var. argophylla Jones, pro parte. — 

 S. argophylla J. K. Henry. — See Schneider in Bot. Gaz. lxv. 25; lxvii. 328. 



181). S. exigua var. nevadensis Schneider. — S, nevadensis Watson. — 

 See Schneider in Bot. Gaz. lxvii. 331. 



18c. S. exigua var. stenophylla Schneider. — S. Hindsiana ten ui folia 

 Andersson, pro parte. — S. longifolia opaca Anderson, pro parte. — S. 

 longifoh'a argyrophylla Andersson, pro parte. — S. longifolia Rothrock. — ■ 



ifol 



11 



parte. — S. fluviatilis argyrophylla Sudworth, pro parte. — S. longifolia 

 argophylla Jones, pro parte. — S. longifolia interior Jones, pro parte. — See 

 Schneider in Bot. Gaz. lxv. 25; lxvii. 333. 



18d. S. exigua var. luteosericea Schneider. — S. luteosericea Rydberg. 

 See Schneider in Bot. Gaz. lxvii. 334. 



18e. S. exigua var. tenerrima Schneider. — S. longifolia tencrrima Hen- 

 derson. — S. tenerrima Heller. — S. fluviatilis tenerrima Howell. — S. lineari- 

 folia Rydberg, pro parte. — See Schneider in Bot. Gaz. lxvii. 335. 



19. S. melanopsis Nuttall. — S. longifolia Bebb, pro parte. — S. fluviatilis 

 Howell, pro parte. — See Schneider in Bot. Gaz. lxvii 336. 



19b. S. melanopsis var. Bolanderiana Schneider. — S. longifolia Bebb, 



pro parte. — S. Bolanderiana Rowlee. — S. exigua virens Rowlee, pro parte. 

 - — S. argophylla Rowlee, pro parte. — S. fluviatilis Eastwood, pro parte. 

 See Schneider in Bot. Gaz. lxvii. 338. 



20. S. longifolia Muhlenberg. — S. fluviatilis Sargent, pro parte. — S. 

 interior Rowlee. — S. longifolia integerrima, viult identic ulata et pauciden- 

 ticulata Kuntze. — See Schneider in Bot. Gaz. lxvii. 340. 



20a. S. longifolia f. Wheeled Schneider. — S. interior var. Whecleri 

 Rowlee. — S. W heeler i Rydberg. — S. longifolia argyrophylla Auct., pro 



iviatilis var. araurovhvlla Auct.. nro parte. — See Schneider 



parte. — S. fluviatilis var. argyrophylla Auct., pro parte.— 

 in Bot. Gaz. lxvii. 342. 



"Red Hill is a peculiar small mesa that projects up out of the gravelly and rocky 

 'wash' or diluvial flood plain of Cucamonga Canyon. It receives surface water from 

 Cucamonga Canyon only during floods and is a good 2^ miles below (south of) its 

 mouth up which about a mile is found the nearest colony of S. sessilifolia that F know, 

 this being the one described for my Xo. 1241. Scattering colonies are found in the 

 lower canyons of the San Antonio Mts. to the north, but southward perhaps the near- 

 est station is along the Santa Ana River over ten miles away. At Red Hill there is 

 only a single, small dense clump of this willow which is situated at the mouth of a 

 small 'draw' some distance up and away from the small main stream that never lasts 

 through the summer. The colony is circular in outline being hardly 25 ft. in diameter. 

 The associated willows are Salix lasiolepis and S. laevigata. If this Longifoliae-material 



