156 
157 
158-N, 158-SW 
159 
160 
161-N, 161-SW 
162 
163—N 
164—N 
165-N, 165-NW, 
165-SW 
166-N, 166-SW 
167-N, 167—W 
168-NW, 168-SW, 
168—N 
169 
170 
171 
172-N, 172-W 
173-N, 173-W 
174-NW, 174-SW 
175-N, 175-W 
176 
177-N, 177-NW, 
177-SW 
178-N, 178-NW 
179-N, 179-W 
180 
181 
182—N, 182-W 
183-N, 183-SW 
184-N, 184-W 
185-NW, 185-SW 
Rhus kearneyi Barkley, Kearney sumac 
Rhus laurina Nutt., laure! sumac 
Rhus lanceolata (A. Gray) Britton, prairie 
sumac 
Rhus microphylla Engelm.., littleleaf sumac 
Rhus ovata S. Wats., sugar sumac 
Sabal mexicana Mart., Mexican palmetto 
Robinia neomexicana A. Gray, New 
Mexican locust 
Salix alaxensis (Anderss.) Cov., feltleaf 
willow 
Salix arbusculoides Anderss., peachleaf 
willow 
Salix bebbiana Sarg., Bebb willow 
Salix bonplandiana H.B.K., Bonpland 
willow 
Salix discolor Mihl.. pussy willow 
Salix exigua Nutt., coyote willow 
Salix fluviatilis Nutt., river willow 
Salix geyeriana Anderss., Geyer willow 
Salix hindsiana Benth., Hinds willow 
Salix hookeriana Barratt, Hooker willow 
Salix lasiandra Benth., Pacific willow 
Salix lasiolepis Benth., arroyo willow 
Salix mackenzieana (Hook.) Barratt, 
Mackenzie willow 
Salix laevigata Bebb, red willow 
Salix nigra Marsh., black willow 
Salix petiolaris J. E. Sm., meadow willow 
Salix scouleriana Barratt, Scouler willow 
Salix sessilifolia Nutt., northwest willow 
Salix tracyi Ball, Tracy willow 
Salix sitchensis Sanson, Sitka willow 
Salix taxifolia H.B.K., yewleaf willow 
Sambucus callicarpa Greene, Pacific red 
elder 
Sambucus glauca Nutt., blueberry elder 
186-N, 186-W 
187 
188 
189 
190 
191-NW, 191-SW 
192-N, 192-SW 
193-N, 193-W 
194-N, 194—-W 
195 
196 
197 
198 
199 
200 
201 
202 
203 
204 
205 
206 
207 
208 
209 
210 
Sambucus mexicana Presl, Mexican elder 
Sambucus melanocarpa A. Gray, blackbead 
elder 
Sambucus velutina Durand & Hilgard, 
velvet elder 
Sapindus drummondii Hook. & Am., 
western soapberry 
Sapium biloculare (S. Wats.) Pax, jumping- 
bean sapium 
Shepherdia argentea (Pursh) Nutt.. silver 
buffaloberry 
Sophora secundiflora (Ortega) Lag.. 
mescalbean 
Sorbus scopulina Greene, Greene 
mountain-ash 
Sorbus sitchensis Roem., Sitka mountain- 
ash 
Staphylea bolanderi A. Gray. Sierra 
bladdernut 
Ungnadia speciosa Endl., Mexican-buckeye 
Vauquelinia californica (Torr.) Sarg.. 
Torrey vauquelinia 
Vauquelinia pauciflora Siandl., fewflower 
vauquelinia 
Viburnum lentago L., nannyberry 
Viburnum trilobum Marsh., American 
cranberrybush 
Washingtonia filifera (Linden) H. Wendl., 
California washingtonia 
Yucca brevifolia Engelm., Joshua-tree 
Yucca carnerosana (Trel.) McKelvey, 
Carneros yucca 
Yucca elata Engelm., soaptree yucca 
Yucca faxoniana Sarg., Faxon yucca 
Yucca mohavensis Sarg., Mohave yucca 
Yucca rostrata Engelm., beaked yucca 
Yucca schottii Engelm., Schotts yucca 
Yucca torreyi Shafer, Torrey yucca 
Yucca treculeana Carr., Trecul yucca 
