163 



Finns arizonica 72. 



Columbiana 23, 68, 119, 134. 



lardyana 25, 68, 69, 98, 113, 114, 134. 



lopatini 25. 



rigida 72. 



serotina 72. 



sp 21, 25, 27, 29, 67, 97, 100, 101, 113, 115, 118 



123, 134. 



steensirupiana 68, 69, 73, 98, 113, 114, 134. 



taeda 72. 



torreyana 72. 



trunculus 21,24-27,30,69-72,97,98,100,101,113,115- 



118, 121, 123, 134. 



tulameenensis n. sp 73, 101, 123, 134. 



Planera crenata 27, 32, 73, 98, 118, 119, 134. 



longifolia 20, 21, 27, 30, 73, 98, 100, 101, 115, 118, 123, 134. 



Platanus 16, 17. 



aceroides 17, 18, 28, 74, 110, 111, 134. 



haydenii 11,31,74,107,134. 



heterophyllus 11, 74, 134. 



nobilis 9, 11, 13, 75, 134. 



raynoldsii 11, 13, 75, 134. 



sp 22, 28, 32, 73, 110, 120, 134. 



Fodocarpites tyrrellii 75, 134. 



Populus acerifolia ' 11, 13, 15, 24, 25, 30, 75, 97, 98, 100, 112, 113, 1 15, 



118, 134. 



arctica 11,15,17,18,21,22,28,31,32,76,101,106, 



107, 110, 120, 136. 



arctica latior 76, 136. 



balsamoides 32, 76, 136. 



cordata.. , 21, 25, 76, 98, 101, 113, 123, 136. 



cordi/olia 13, 76, 80, 101, 123, 136. 



cuneata 15, 21, 30, 77, 100, 101, 116, 123, 136. 



daphnogenoides 15, 19, 77, 121, 136. 



genetrix 11, 13, 25, 32, 77, 98, 106, 113-115, 136. 



hookeri 17, 18, 77, 136. 



latior 18, 21, 22, 27, 32, 77, 78, 98, 101, 118, 123, 136. 



latior cordifolia 21, 78, 120, 123, 136. 



mutabilis oUonga 25, 30, 78, 98, 100, 113, 114, 116, 136. 



nebrascencis 25, 31, 78, 98, 107, 113, 115, 136. 



nervosa 78, 136. 



obtrita 15, 19, 24, 2.5, 78, 99, 113, 115, 121, 136. 



polymorpha 24, 78, 97, 112, 136. 



richardsoni 11, 15, 17, 79, 136. 



rotundijolia 19,32,79,99,121,136. 



sp 27, 28, 75, 98, 113, 118, 134. 



speciosa 31, 79, 10/, loo. 



subrotundus "2, 79, 106, 136. 



ungeri 15, 79, loo. 



zaddachi 19, 21, 30, 76,79, 80, 99-101, 116, 121, 123, 136. 



Fotamogeton sp 23, 80, 119, 136. 



