Polypodiaccc-e. - _ . . . gg, 129 



Polypodium falcatum, - - - - 30, 57, 76, gi 



— scouleri, - - - - - 30, gj 



— munitum. ----- go 



Polystichum munitum, - - - 45, 54, 5g, 71. i2g 



Populus deltoides. - - . . _ -g 



Porella navicularis, ------ 233 



— plalyphylloidea, - - - - 231 



— rivularis. ------ 231 



— Rot'llii. - - - - - - 253 



Port Renfrew. ----- 277, 307, 3ig 



Postelsia. ------- ^^g 



Potamogeton natans, ----- 74 



— pusillus, ------ 7^ 



Potentilla villosa, ------ 25 



Providence Cove, - ... - 307, 312, ;i2j 



Prunella vulgaris, ------ 26 



Pscudolarix, - - - - - - 211 



Pscudotsuga. - - - - 38, 59, 164. iSo. 2og, 210 



— Douglasii. _ - - - . 53 



— taxifolia, " " - - - 55- i^9 



Pteridophyta, - - - - - 89, 129, 131 



Pterysjophora. -- - - - --12 



Ptilidium calitDrnicum, ----- 233 



Radula Bolanderi. ----- 230, 2;^} 



— complanata. - - - - - 230 



— spicata. - - - - - - 230 



Ranunculace;c, ------ 108, 130 



Ranunculus bongardi, - - - "30. 46, 109 



— intormedius, - - - - -67, log 



Razoumofskya tsugensis, - - - - 46, 86, 107 



Renfrewia parvula, - 247. 251. 271. 272. Plates XVI. — XIX. 



— parvula perlonga. - - - - 265. 271, 272 



— solidungula, ----- 271 



— yezzoensis, ----- 270,271 



Rhizinia inflata, ------ 241 



Rhizinace?e, ------ 238. 241 



Rhodophycea?, ------ 12 



Ribes bracteosum. - - - - - 112 



— lacustre, - - - - - - 112 



