199 



Parthenium Hysterophorus, 68, 69 ; in- 

 tegrifolium, 124 



Pastinaca, 159 



Patterson, F. W. , personal, 160 



Paullinia, 28 



Pearson, W. H., personal, 127 



Pellaea, 147 ; atropurpurea, 2, 164 ; 

 intermedia, 164 ; ternifolia, 164 ; 

 Wrightiana, 164 



Pellia calycina, 181 ; epiphylla, 181 



Pennsylvania, An undescribed Eleocharis 

 from, 23 , Arisaema pusillum in, 17 1 



Peramium ophioides, 166 ; pubescens, 166 



Perularia flava, 51 



Phacelia Covillei Watson, A second Illi- 

 nois Station for, 89 ; dubia, 19 1 



Phanerophlebia auriculata, 164 



Phaseolus, 80 



Phegopteris, 147 



Phlox Stellaria, 1, 2 



Phoradendron villosum, 1 18 



Phyllanthus epiphyllanthus, 68 



Phyllitis, 147 



Phymatodes exiguum, 18 



Physalis, A remarkable, 138 ; crassifolia, 

 139 ; Fendleri, 138 ; minuta, 138 ; 

 minutiflora, 139 ; Peruviana, 104 



Picea grandis, 93 



Pieris, 81 ; phillyreaefolia, 21, 22 



Pilea microphylla, 69 



Pilularia, 148 



Pimpinella, 159 



Pinus albicans, 93 ; aristata, 93 ; austra- 

 lis, 77 ; contorta, 93 ; Cubensis, 77 ! 

 echinata, 79 ; Eiliottii, 77, 78 ; hetero- 

 phylla, 77> 78 ; palustris, 77, 78 ; 

 rigida, 79 ; serotina, 78, 122 ; Taeda, 

 78 ; Virginiana, 79 



Pitcairnia alta, 45 



Plant, A unique climbing, 21 



Plantago, 62 ; halophila, 167 



Plants new to Vermont found in Burling- 

 ton and Vicinity, 104 



Plants, Notes on some southern Illinois, I 



Plants of southeastern Virginia and cen- 

 tral North Carolina, Some, 120 



Pleurotus atrocaeruleus griseus, 87 



Plumbago scandens, 69 



Plumeria, 70 



Pluteolus, A Key to the North American 

 Species of, 124; mucidolens, 125 



Pogonia affinis, 105 ; divaricata, 80 ; 

 ophioglossoides, 52, 80 



Poinciana regia, 68 



Polemonium Van Bruntiae, 179 



Pollard, C. L., personal, 96, 112, 144, 

 160 



Polygala brevifolia, 80 ; cruciata, 80 ; in- 

 carnata, 80; lutea, 80, 122 ; Mariana, 

 80 ; Nuttallii, 80 ; polygama, 80 



Polygonella articulata, 165 



Polygonum emersum, 167 



Polypodium, 147, 149; exiguum, 18; 

 polypodioides, 2, 141, 147 ; serpens, 

 18 ; Swartzii, 18 ; vulgare, 141 



Polypodium polypodioides, The Habitats 

 of, 141 

 I Polyporus, 29, 78 



Polystichum, 147 



Polytrichum, 180 ; Behavior of the Spores 

 in, 5 ; Color of the Spores in, 5 ; com- 

 mune, 5 j Ohioense, 5, 6 



Populus monilifera, 166 



Porella, 148 



Porter, T. C, work of, 128 

 j Porto Rico, A new Lippia from, 105 



Portulaca oleracea parvifolia, 67 



Preissia, 182 ; commutata, 182 



Price, S. F., death of, 128 



Pringle, C. G., personal, 15 



Proceedings of the Club, 12, 27, 44, 61, 



77, 9i, 174, 189 

 Psalliota, 24 



Pseudotaenidia, 158 ; montana, 159 

 Pseudotsuga mucronata, 93 

 Psilotum nudum, 148 

 Pteridium, 147 ; aquilinum, 19, 79, 122 

 Pteris, 147 ; aquilina, 18 ; aquilina 



pseudocaudata, 19 ; caudata, 18 ; lati- 



uscula, 18 

 Pubescence of Species of Astragalus, 



The, 38 

 Pyrola secunda, 166 

 Pyropolyporus, 78 

 Pyxidanthera barbulata, 81 



Quercus, 83-86 ; alba, 63 ; Californica, 

 93 ; Catesbaei, 123 ; coccinea, 80 ; 

 digitata, 80 ; Emoryi, 7 ; Fendleri, 7, 

 83-85 ; Gambelii, 7, 8, 83-85 ; grisea, 

 8, 83-86 ; Marylandica, 63 ; minor, 

 80 ; minor Margaretta, 123 ; nana, 

 80 ; nigra, 80 ; nitescens, 7, 8^, 84 ; 

 Novo-Mexicana, 7, 84 ; Phellos, 80 ; 

 prinoides, 80 ; Rydbergiana, 7, 8, 

 83-86 ; undulata, 83-85 ; undulata 

 Rydbergiana, 86 ; Utahensis, 8 ; 

 velutina, 63, 72 



Question for Morphologists, A, 170 



Ramaley, F. , The Pubescence of Species 

 of Astragalus, 38 ; personal, 112 



Ranunculus Ficaria, 14 ; sceleratus, 104 



Rauwolfia canescens, 68 



Reboulia, 182 ; hemisphaerica, 182, 183 



Rennert, R. J., Notes on the Anatomy 

 and Physiology of Oxypolis filiformis, 



6 3 

 Reviews : Andrews' Botany all the 



Year Round, 74 ; Grout's Mosses with 



