708 
hispida, 479; humilis, A783 integrifolia, 
479; luteopurpurea, 4 orbicularis, 
479; Palmeri, 479; pe § 479; 
illa, amosissim 79 
Phacopsis scaphoides, 
hallus impudicus, 169 
Phascum, 65 
um, 653 
Phaseolites formus, 571, 572 
Phaseolus, a vulgaris, 449, 454 
Phellopteru 
INDEX 
385, 386-390; palustris, 3094; 
ath 572; rigida, 291, 494; pes 
22% 272; Taeda, 381, 382, 387; virgini- 
i 
Piperites, 
eella icine, 656 
Pisum 
eeswitens arizonicus, 481 
Planera aquatica, 392 
Plantago aristata, 383, 387, 389 
atior, 572; yl Pea 
Philibertlla cynanchoides, 466; hetero- | Platanus, 573; | 
a, 466 383, 385-389, 
Philonotis sagged tee 659 Pleopeltis linearis, 201; n Pte 201; spec- 
Phippsia or ida, trum, 202; Thunbergiana, 
Phlebia Pleuropus, 655; congestus, et 672; 
Phlebo diu leskeoides, 673 
Phlox Nr Bo oe albomarginata, 467; | Pluteus cervinus, 169 
alyssifolia, 467; alyssoides, 467, 468;| Podophyllum peltatum, 5 
omon » 468; montana | Podozamites, 568; margina us, 573 
prostrata, 468; bryoides, 467; caespi-| Pogonatum convolutum, 657; tortile, 
t 467, 468; collina, 467, 468; con- 657; urnigerum, 654 
densata, 467; costata, 467; Covillei,| Polemonium californicum, 477; coeru- 
467; dasyphylla, 468; densa, 468; eum, 477; columbianum, 477; deli- 
diapensioides, 467; Douglasii, 468; catum, 476, ; Grayanum, 478; 
glabrata, 467, 468; Hoodii, 467; Hoodii Haydenii, 477; intermedium, 478; 
glabrata, 468; Hookeri, 474; Kelseyi, mellitum, 473; xi m, ; mon- 
467; multiflora, 7 8; muscoides, trosense, 477; occidentale intermedium, 
466, 467; Stansburyi, 468; stolonifera, 478; p ium, 476, ; pil —_ 
4953 hector saa 467, 468; viridis, 468 
perms lucifera, 168; praecox, 143-140, 
Rosae- 
169, 173 
Phragmidium obtusum, 509; 
509 
ogonium aureum, 662; fulgens, 662, 
663; globitheca, 662; immersum, 663; 
tra, 663; viride, 662, 6 
elongata, 201; Spec- 
ihe cag 201; 
trum, 201, 202 
Phymowa 60; acerifo 
60; 
lia, 60; Crandallii, 
andifior ora, 60; longisepala, 61; 
ulaeie. 
Physostegia sp., 
Poe erene | gic on the 
Mountain region—I. 
Rocky 
Alpine region, 
67 
oe M. A bibliography of works on 
osis —_ somatic mitosis in the 
angi perms, 575 
Picea Engelmannii, 684 
Pickett, F. L. The phlei cid of 
the e embryo-sac of Arisaema triphyllum 
istance of the fearkell ia of 
osorus rhizophyllus to desic- 
gee 
Pilotrichella eroso-mucronata, 666; flex- 
ilis, 666; recurvo-mucronata, 666; 
na ae 
, 667; compositum, 
ay m, gee hypnoides, 657 
Polyporus acanthoides, 
rrimum, 477; scopulinum 
478; Tevisii, ary; 
tricolor, 476; viscosum, 477, 478 
Polemoniacea eg 
Polygonum arifo um, 493 
Polypodium sence, 194, 200; AGG: 
rum, 195; H 
oe pas [os 
fleri, 198, 
ieende aa leon, Hookeri, 193, 1943 
hymenophylloides, 94, 199; gawd 
fussii, 196; 193, 195, I 
201; rae 
tos 
rod pecutatonl lata, 197; sessilifolium, 
55 ih ee 194; Spectrum, 201; 
aici a iscinum 
194, 200 
dum, 200; unisorum, 
gare, 193, 198; zosteraeforme, 
= adust 
146, 150, 166, 174; annos 
146, 150, 66” 4, 178; 
159, 166; destructor, 146, 
Pinnulaceae, 461 
Pinus saan 684, 685; echinata, 382, 
150, 166, 174, 179; fumosus, 1383 
