Scapania aniericana, 



— Bolanderi, 



— convexa, 



— denta, 



— Evansii, 



— nemorosa, 



— uliginosa, - 



— imibrosa, 



— undulata, - 

 Schist. - - - 



Scirpus aniericaiuis, 



— c;cspitosus, 



— microcarpus, 

 Scr(.)pliulariacc;c, 

 Scropliularia calitornica, - 

 Sclaginella rupcstris, 

 Selaginellace;F. 

 Shale, - 



Sisyrincliiuni ithdiocnse, 

 Slate. - 

 Scnchus asper. 

 Sorbus occideiitalis, 

 Sparganiacc.e. 

 Sparganium androcladum. 



— iiiiniimmi, 

 Spalhularia clavata, 

 SperniaLO])!iyta. 

 Spli;eroiiani;einella liehell.'e. 

 Sphenolobus Helleriamis. 



— ovatus. 

 Sphagnum bogs, 

 Spn";ea menzicsii. 

 Spiranthes Romanzoffiana, 

 Spruce, - - - 



— Douglas, 



— Engelmann, 



— Patton, 



— Tideland. 

 Stachys ciliatus. 

 Statistics, 

 Stenaiuliiuni occidentale, - 



217, 22^, 27,2, 



228. 233 

 230 



- 229 



- 229. 2^7, 



229 



22Q 

 229 



- 229, 230 



- 3-^8 



99 



99 



23, 99 



1^3. 130 



- ^3, 1^3 



61,92 

 92 



277. ^93- 31 1- 315. 319 



- 30. 105 



- 319 

 22, 127 



- 113 

 63, 94 



94 

 75. 94 



- 238 



89 



- 242 



22Ji, 

 224 



50 

 71. I 1 .2 

 106 

 164. 195 

 181 

 170 

 172 



167. Plate XIII. 



- 23. 122 



- 89 

 61, 104 



