254 



Pharus latifolius, Si, 52 



Phaseolus lunatus, 85 ; vulgaris, 85 



Phegopteris, 194, i95; Phegopteris, 

 167 



Phenanthera petalifera, 182, 183 



Philadelphia, A new Blackberry from 

 the Vicinity of, 55 



Philippine Flora, Some Affinities of 

 the, I 



Philippines, Ipomoea triloba L. in 

 the, 78 



Philodendron lacerum, 52 



Philotria, 238, 239 ; canadensis, 239 



Philotria, Remarks on, 238 



Phlebotaenia, 39; Cowellii, 38; cune- 

 ata, 39 



Photomicrographs of North American 

 Woods, 18 



Phyllosticta, 143: pirina, 142, 143 



Physiology, Jost's Lectures on [re- 

 view], 168 



Picea albertiana, 126; canadensis, 

 125, 126; excelsa, 211; Mariana, 

 125, 126, 166; Parryana, 211 



Picramnia pentandra. 52 



Pilea, 52 ; microphylla, 52 ; nudicau- 

 lis, 52 



Pilosella, i57, 158. 160; glauca, 161, 

 162; Novae-Angliae, 158-160, 162; 

 Richardsonii, 159, 161. 162; steno- 

 carpa, 161. 162; Thaliana, 157- 

 160. 162: virgata, 160-162 



Pilosella in North America, 157 



Pinus, 203; Banksiana, 128, 222: El- 

 liottii, 173; occidentalis, 50: pa- 

 lustris, 43, 173; resinosa, 212: sero- 

 tina, 43 : Strobus, 211 



Piper aduncum, 201, 202: angusti- 

 foHum, 202 ; articulatum. 202 ; con- 

 fusum. 202 : elongatum, 202 ; elon- 

 gatum Ossanum, 201, 202; hirsu- 

 tum, 202 : hispidum, 202 : hispidum 

 magnifolium, 202 ; medium. 202 : 

 rigidum, 202 : rigidum verdeanum. 

 203 



Piperaceae. Determinations of Cuban. 

 201 



Pisonia aculeata, 51 



Pitcheria galactioides. 43 



Pithecolobium arboreum. 51 



Planera aquatica, 44 



Plant Breeding, DeVries' [review]. 

 186 



Plant Physiolosr>'. Jost's Lectures on 

 [review]. 168 



Plant Studies on the Northern Coast 

 of the Gulf of St. Lawrence, 222 



Plantaginella, 243 



Plantago, 242 ; patagonica. 243 



Plantago, Some recent Species of, 



242 

 Planting and Care of Shade Trees, 



130 

 Plants, Centers of Distribution of 



Coastal Plain, 42 

 Plants, Some Wound Reactions of, 67 

 Plants for Southern New Jersey, 



Some new, 39 

 Plants in the Finger Lake Region and 



the Adjacent Ontario Lowlands of 



Central New York, 69 

 Plants of Berks County, 214 

 Platanus occidentalis, 44, 213 

 Pleistocene, A Tilia from the New 



Jersey, 80 

 Pleurothallis, 17; Wilsoni, 52 

 Plumiera, 53 

 Pogonia divaricata, 42 ; ophioglos- 



soides, 166, 168, 215; verticillata, 



215 

 Pollard, C. L., The Museum and Li- 

 brary of the Staten Island Associa- 

 tion of Arts and Sciences, 162; 



personal, 155 

 Polyembryony, Notes on, 313 

 Polygala, 39 ; lutea. 43 : paucifolia, 



167 ; polygama. 165 : ramosa, 43 

 Polygalaceous Tree of Porto Rico, A 



new, 38 

 Polygonum amphibium, 165 

 Polypodium, 195; falcatum, 196: Gly- 



cyrrhiza, 196: occidentale. 196; 



Plumula. 52 ; polypodioides, 52 

 Polyporus, 89-91, 95: applanatus. 94: 



frondosus, 217' lucidus, 89. 91. 92. 



94-96 

 Polyporus lucidus. Rate and Period 



of Growth of. 89 

 Polystichum, 137, 193-195 : Filix-mas, 



194 

 Polystictus hirsutus. 89 

 Pond. R. H.. Source of Nutrition of 



Submerged Aquatics, 67 : Jost's 



Lectures on Plant Physiology. 168 ; 



personal, 224 

 Populus candicans. 212: deltoides, 



213: grandidentata, 213 

 Porto Rico. A new Polygalaceous 



Tree of. 38 

 Position of Palaeozoic Botany. Scott 



on the Present [review]. 62 

 Po^^hos, 103 : aurea, 103 

 Pownal. Botanical Observations 



Made in. 222 

 Probable Function of Tannin in Galls. 



6S 



Proceedings of the Club. 1906, 13 



Nov.. m: 28 Nov., 16; 11 Dec. 



40 : 26 Dec. 45 ; 1907, 8 Jan., 46 ; 



