232 



Physarum bogoriense, 26 ; leucopus, 

 26 ; melleum, 26 ; polycephalum, 

 26 



Physcia adglutinata, 116; aipolia, 

 198; aquila, 115; astroidea, 200 

 caesia, 199 ; endochrysea, 204 

 encoccinea, 133, 206; frostii, 111 

 granulifera, 199; hispida, 202 

 hypoleuca, 114; obscura, 128 

 133, 204; pulverulenta, 115 

 setosa, 205; sorediata, 110; spe- 

 ciosa, 112; stellaris, 198; tere- 

 tiuscula, 201; tribacia, 128, 133, 

 200 



Phytolacca decandra, 70 



Picea glauca, 2 ; mariana, 2 



Pickett, Ferman L., 140 



Piemeisel, Robert L., 97 



Pieters, Adrian John. 183 



Pilea fontana, 118; pumila, 118 



Pinus banksiana, 2 ; bungeana, 52 ; 

 cembra, 52; jefifreyi, 52; resino- 

 sa, 2; rigida, 66; strobus, 2, 30; 

 sylvestris, 25 



Pittier, Henry, 27 



Plant Physiology, B. S. Meyer and 

 D. B. Anderson, i-eview, 208 



Plantago arenaria, 83; aristata, 11; 

 decipiens, 11; lanceolata, 11; 

 major, 11; pusilla, 179; rugelii, 

 11; virginica, 179 



Platanus occidentalis, 85 



Piatt, Rutherford, 139 



Pluchea camphorata, 80 



Poa compressa, 61, 179; pratensis, 

 30 



Podophyllum peltatum, 180 



Pogonia ophioglossoides, 69 



Polanisia graveolens, 7; trachysper- 

 ma, 7 



Polygala cruciata, Ti ; polygama, 12> ; 

 sanguinea, 30, 51, 1Z\ verticil- 

 lata, Th 



Polygonatum biflorum, 30 ; gigan- 

 teum, 30 



Polygonclla articulata, 69 



Polygonum acre, 69 ; arifolium, 69 ; 



aviculare, 69 ; dumetorum, 69 ; 



muhlenbergii, 102 ; pennsylvani- 



cum, 69; sachalinense, 167; 



scabrum,167; scandens, 69 

 Polypodium vulgare, 55 

 Polysiphonia flexicaulis, 194; nigra, 



194; nigrescens, 194; urceolata, 



194 

 Polystichum acrostichoides, 31, 65; 



aculeatum. 215; andersoni, 215; 



braunii, 215 ; commune, 30 ; lon- 



chites, 215; viviparum, 215 

 Pool, Raymond J., 103 ; Basic Course 



in Botany, review, 85 

 Populus balsamifera, 69; deltoides, 



30 

 Porphyra atropurpurea, 192 ; miniata, 



182; umbilicalis, 192 

 Porphyropsis coccinea, 191 

 Portulaca oleracea, 70 

 Posidonia australis, 123 ; oceanica, 



123 

 Potamogeton bupleuroides, 66 ; cris- 



pus, 179; epihydrus, 218; na- 



tans, 27; pusillus, (^(i; tenue, 24 

 Potentilla anserina, 72 ; canadense, 



30 ; emarginata, 168 ; monspe- 



liensis, 72 ; recta. 11 

 Potter, Mrs. R. Burnside, 135 

 Prenanthes alba, 30, 80 ; altissima, 



80; trifoliata, 80 

 Preston, Richard J., Rocky Moun- 

 tain Trees, review. 210 

 Proceedings of the Chib, 27, 56, 91, 



134 

 Pronouncing- Lichen Names, W. L. 



Dix, 39 

 Proserpinaca palustris. 74 

 Prunella vulgaris, 16 

 Prunus maritima, 11 ; serotina, 30, 



72 ; virginiana, 30, 12 

 Psedera quinquefolia, 30, 74 

 Ptelea trifoliata, IZ 

 Pteris aquilina 30 

 Pterites nodulosa, 216 

 Ptilimnium capillaceum, 75 



