INDEX 625 
560; littorale, 559; Rayi, 560; tenue, 
2 
Polypodium polypodioides, 115 
a Hookeriana, 331; maxima, 330, 
Polysiphonia, 100; macroura, 98; 
per- 
pus: 
Pontedria cordata, 410, 4II, 417, 420, 
Populus, 16, 117; deltoides, — 413 
a, 56 
ca grandiflora, 56; hp 
Por 
Potent nae ore A, 495i acumi- 
a, 376; 
des ana grees 
aipestri is, sepa a, 500, 
Ol; ama- 
do orensis, 38 deere 3 384; Anseina, 
37 
4 
densis, 379, 377) 380, sgn 
493; comosa, 88; eee 4973 
nei eform 
concinna “divi ee, ids oe co 
ens, 495, 496; dichroa, 490; 
digitato-flabellata, 382; dissect 96, 
0, dissecta decur 405, 496; 
diversifolia, 385, at A495: 496; diversi- 
a decurrens, 496; diversifolia 
genuina, 495; div oaifolia glaucophylla, 
495; diversifolia jucunda, ; divisa 
500; angensis, 403} elegans, 4943 
El » 48 ; em 494; 
flabelliformis, 489, 494; flabelliformis 
ctenophora, ; flavovirens, 382; flexu- 
sa, 382; aah es 402, 494; 
ni Rat ior 
49 502; gracilis virid ns, 88; 
grandiflora, 377, ; grosse-serrata, 
384, 4 haematochrus, 492; Hallii, 
384, 385; Hassei, 407; ecpephyiies 
383; heterosepal 378; Hooker iana, 
499, 2; horrida, 493; ter: 
med , 382; intermittens, 
5 ; ; 
378, 382; Nicolletii, 3 
81, 382 
pharga, 499-501; nivea, 377, 378, 
498-502; nivea altaica, 500; nivea 
; cta ; 
d A, 4915 Pp , 
pyrenaica, 495; quinquefolia, 492, 497~- 
S$, 490; nun- 
Blancae, 492, 494; simplex, 377, 
381; staminea, 492, iis lis, 
S77 S78: are ve a 498; subquinata, 
498-500; subqu Pedersenii, 500, 
501; subvi ‘ ern 88; supina, 377, 
381; supina Nicolletii, 38 upina 
aradoxa, 381; tomentosa, 497 r- 
mentilla, 376, 377; Townsendii, 383, 
villosa, 501; i alate se 488, 490; 
Weegee 495; Wahliana, 501; Wheel- 
496; Wheeleri wry aha 96 
Po entillopsis, 3 377 
Proto 
Protonbyticcindin: 185, 510 
Prunus angustifolia, 410, 411 
Ps = chotria auriculata, 359; rer OO 
ats aquilina, as rage 422 ~4 i 
Puccinia, 576; Car 580 schamp- 
siae, 570 Glaus my  slobosipes, 560; 
stg ; Parthenii, 570; Urticae, 
Pastaiaran. 578; Agrimoniae, 576; 
um, 578 
o}  secptagaiata study of the more conspic- 
ion of certain natur al sub- 
Puonll 510; alba, 419-421, 423-426; 
