Index 



605 







Polygonum, 



363, 552 

 erectum. 



358, 363 ; aviculare, 



; dumetorum, 363, 



352 ; Hydropiper, 

 pennsylvanicum, 



35 2 ; scandens. 



352, 



552; 



352; 

 352 ; sagittatum, 



T> , 352, 363, 552 



Polypodium, 28 ; vulgare, 22 



Polyporaceae, Additional Philippine, 

 39i 



Polyporus Adami, 402; asper, 392; 

 badius, 402 ; brunneopictus, 392 ; 

 caperatus, 392 ; carneo-niger, 402 ; 

 celebicus, 402, 403; coracinus, 403, 

 Dybowski, 399; elegans, 403; fissus, 

 403; flabelliformis, 403; grammo- 

 cephalus, 401, 403; Hasskarlii, 412; 

 lucidus, 24; ochrocroceus, 411 ; palen- 

 sis, 403; Perula, 402, 403; Philippi- 

 nensis, 401; rasipes, 402; squamae- 

 formis, 392 ; strigatus, 

 ticus, 393 



Polystichum, 28 



Polystictus 

 sis. 



tans, 197, 475 ; fasciculata, 475 ; mari- 

 tima, 197 



Puccinia Botryapites, 506; clavipes. 

 506 



Botryapites, 506 ; 



Puerto Rico, Hepaticae of, 155 

 Putoria, 203 



Pycnolejeunea Schwaneckei, 173 

 Pycnoporus sanguineus, 404 

 Pyropolyporus 



caliginosus, 



albomarginatus, 

 412; endotheius, 

 fastuosus, 412; lamaensis, 412 



tinatus, 412; subextensus, 

 tenuissimus, 413; tricolor, 



Williamsii. 



411 : 

 412: 



pec- 



413; 

 413; 



Pyrus, 505 



412 

 arbutifolia, 505 



392 ; xeran- 



malacensis, 400 



400 ; Mollerianus 

 pelinus, 397 



Pontederia, 58 



Populus tremuloides, 

 Porella, 226 

 Portulaca oleracea, 552 

 Potamogeton, 224, 236 ; 

 59 ; foliosus, 209, 



malaien- 



402 ; xeram- 





532 



diversifolius, 

 214-216; lucens, 

 213-215; mysticus, 59; natans, 209, 

 214-217; Nuttallii, 59; Oakesianus, 

 59 ; pauciflorus, 214 ; pectinatus, 59 ; 



perfoliatus, 59; pulcher, 59; pusil- 

 lus, 59 



Potamogeton lucens, The development 



of the embryo-sac and embryo of, 209 

 Potentilla, 358; grandiflora, 553; mon- 



speliensis, 553 ; nepalensis, 553 ; 



norvegica, 553 ; simplex, 352 

 Potomorphe, 566, 567 ; peltata, 566 ; um- 



bellata, 566 



Prenanthes altissima, 549 



Prionolejeunea, 374, 375 

 Protococcus gigas, 235 

 Protodammara, 249, 254 

 Prunella vulgaris, 352 

 Pseudo-araucaria, 254 



Pseudoperonospora celtidis, 553 ; cu- 

 bensis, 549, 550 



Pteridium, 28; aquilinum, 52; aquili- 



num latiusculum, 52 

 Pteris, 28 



Ptilimnium capillaceum, 352 

 Ptychanthoides, 161, 162 

 Ptychanthus, 178 

 Ptychocoleus, 155, 158, 161, 162, 165, 



168; aulacophorus, 161; densifolius, 



159; polycarpus, 161, 162, 164, 165, 



179 ; torulosus, 165 

 Puccinellia, 197; airoides, 475; dis- 



Quamoclit Quamoclit, 549; vulgaris, 

 549 



Races, The genus Ernodea Swartz : a 



study of species and, 203 

 Radula Grevilleana, 382 

 Ramaley, F., & Dodds, G. S. 



imperfectly known species of 

 taegus, 577 



Ranunculus, 358; abortivus, 352, 552; 

 acris, 452, 552; bulbosus 

 fascicularis. 



Two 

 Cra- 



41 



551 ; 



546- 

 545: 

 544; 



452, 552 : 

 552 ; pennsylvanicus, 

 552; recurvatus, 552; repens, 552: 

 septentrionalis, 552 



Raphanus sativus, 546 



Resolutions adopted by the Torrey Bo- 

 tanical Club and other scientific or- 

 ganizations in relation to the death 

 of Lucien Marcus Underwood, 



Rhus typhina, 352 



Rhysotheca australis, 550 ; Geranii, 

 Gonolobi, 544; Halstedi, 544. 



548 ; illinoiensis, 553 ; obducens, 

 ribicola, 551 ; Umbelliferarum, 

 Viburni, 546 ; viticola, 554 



Ribes albinervium, 551 ; divaricatum. 

 55i; glandulosum, 551; hirtellum. 

 551 ; oxyacanthoides, 551 ; prostratum, 

 55i : rotundifolium, 551 ; rubrum 

 subglandulosum, 551; triste, 551 



Riccia, 23, 24 



Riella, 30 



Rigidoporus surinamensis, 404 



Rivea bracteata, 99 



Robinson, C. B. Alabastra philippi- 



nensia, 63 

 Roestelia, 499, 501, 502, 504-506, 



aurantiaca, 506 ; Botryapites, 



508; 

 506: 

 506; 



504; 



cornuta, 505, 507, 508 ; Ellisii, 

 flaviformis, 504 ; floriformis, 

 penicillata, 501, 505 ; transformans, 



505 

 Roripa, 546; Armoracia, 546; hispida, 



546 : obtusa, 546 ; palustris, 546 : 



sessiliflora, 546 ; sinuata, 546 ; Wal- 



teri, 546 



