INDEX. 637 
Page. | Page. 
Woodsia.........02-.--0--22 eee eee eee eee ees 82 | Yellow dock............--.2.ceeeeeeeeeee eee 225 
Woodwardia... 2... .....2.....0..00002 200 79 | Yellow pine..............-. coe ceeeeeeeeeees 92 
Woolly larch..........-.--.-----.--------+-- 92 | forests. ......--222.----0 0220000 e ee eee 50-51, 58 
Wormwood..........-----------+-- ceeeeee 586-590 | Yerba buena............2.-2.2--20--22--205- 493 
Wyeth, collection of plants on Flathead | Yew family ........-...-----------2---+--+-- 89 
River. .......---.--------- 2-22 eee eee eee 14 western. ...........---------2----------- 89 
Wyethia.............2-22.22----2---- 2-222 -- 581 | 
| Zannichellia........-..-----------++---- ++ -e- 99 
Nanthium...........-.--------------------- 550 | Zizia............2--2 2-22 eee eee eee eee eee eee 427 
Xerophyllum..............-.-------+-+----- 197 | Zonal distribution of plants in Washington. 33-65 
tenaxX... 2.222... eee ee eee eee ee eee 60 | Zones, life, North American, scheme....... 34 
| Zostera... 2.2.2.2 eee ee eee cece ee eee eee ee 99 
Yellow cedar........-----0--ee22eeee eee eee OL Zygadenus.............0...00 cence eee eens 197 
O 
