140 



T O R R E Y A 



Populus balsamifera, 65 ; canadensis, 47 ; 

 grandidentata, 65; tacamahacca, 46; 

 tremnloides, 65; virginiana, 47 _ 



Potamogeton americanus, 90; pectinatus, 91 ; 

 perjoliatns, 91 ; pusillus, 91 



Potentilla canadensis, 84; pumila, 84 



Prenanthes alba, 87 



Proceedings of the Club : 



Oct. 18, 1944, 27 Feb. 21, 1945, 57 

 Nov. 15, 1944, 27 Mar. 6, 1945, 58 

 Dec. 5, 1944, 29 Mar. 21, 1945, 59 

 Dec. 20, 1944, 29 Apr. 3, 1945, 61 

 Tan. 9, 1945, 30 Apr. 18, 1945, 62 

 Jan. 17, 1945, 31 May 2, 1945, 63 

 Feb. 6, 1945, 57 



Prunella zmlgaris var. lanceolata, 51 



Primus americana, 66; angustifolia, 84; 

 avium, 66; depressa, 22; domestica, 66; 

 pennsy'lvanica, 66; virginiana, 66 



Pteridium latiusculum, 42 



Pycnanthemum aristatum, 90; flexuosum, 

 "90. 109; virginianum, 109 



Pyro/a elliptica, 48 



Pyrns communis, 66; Mains, 66 



Quamoclit coccinea, 89 



Quercus alba, 67; benderi, 126; bicolor, 85 

 borealis var. maxima, 85 ; catesbaei, 117 

 falcata, 85 ; ilicifolia, 47 ; imbricaria, 61 

 maxima, 85; m'^ra, 85; phellos, 61, 85 

 rubra, 85 



Raimannia humifusa, 83; laciniata, 83 



Ramolina calicaris, 80 



Ranunculus abortivus, 65; acm, 43; /nV/'/- 



Jk.s, 65, 81; micranthus, 23; septen- 



drionalis, 65 

 Raphanus sativus, 43 

 Raup, Hugh M. Review, 53 

 Recollections of New York and its botan- 

 ical activities, 97 

 Reed, George M. Origin and development 



of flowering cherries, lecture, 64 

 Reynoutria sachalinensis, 44 

 Rhexia aristosa, 129 ; mariana, 83, 107 ; f . 



albiflora, 83 ; nashii, 83 virginica, 107 

 Rhodendron canadense, 61 ; maximum, 23 ; 



nudiflorum, 66, 125 

 i?/w.y aromatica, 67 ; canadensis, 61 ; typhina, 



47 

 Rhytidanthera, 69 

 Ribes, 93; americanum, 66; Cynosbati, 66; 



hirtellum, 66 ; odoratum, 66 ; sativum, 66 ; 



triste, 66 

 Ricinus communis, 83 

 Rubns idaeus var. aculeatissimus, 46; 



pubescens, 66 

 Rumex acetosella, 66 

 Russula, 38; compacta, 40; virescens, 40 

 Rynchospora glomerata, 91 



Saccharodcndron saccharum, A7 



Saccharum officinarum, 92 



Sagittaria latifolia, 51 



Salicornia europea, 131 



Salix alba, 65; Bebbiana, 66; cordata, 66; 



discolor, 66; fragilis, 66; humilis, 66; 



Iongifolia, 22; tristis, 25 

 Salsola kali, 82 

 Salzna asurea, 90 



Sambncus racemosa subsp. pubens, 67 

 Sanguinaria canadensis, 66 

 Sanicula, 100; mwilandica, 108 

 Saponaria officinalis, 44 

 Sarothra, 36 

 Sassafras albidnm, 65 

 Saururus cernuus, 107 

 Saxifraga virginiensis, 67 

 Schicophyllum commune, 40 

 Sciadopitys verticillala, 81 

 Scirpus, 91 ; georgianus, 98 ; hcterochaetus, 



52 

 Scleria pauciflora, 128 



Scleroderma geaster, 40 ; vulgare, 40 



Scrophularia, 100 



Scutellaria nervosa, 23 



Senecio antennariifolius, 61; aureus, 67; 



pauperculus var. balsamitac , 49 ; tomento- 



sus, 88 ; vulgaris, 67 

 Serapias helleborine, 52, 129 

 Sericocarpus linifolius, 88 

 Setaria faberi, 92 

 Shcphcrdia canadensis, 67 

 Sherff, Earl Edward. Monarda fistu- 



losa L. and its two white-flowered 



forms, 68 

 Shive, John W. The iron manganese re- 

 lation in plants, lecture, 29 

 Sibbaldiopsis tridentata, 46 

 Silene caroliniana, 81 ; cucubalus, 44 ; /afi- 



/o//a, 44 

 Sinozvilsonia, 21 

 Sisymbrium, 100 ; officinale var. Iciocarpum, 



43 

 Sisyrinchium arenicola, 91 ; mucronatum, 91 

 Skutch, Alexander F. The behavior of 



the flowers of the aguacatillo (Per sea 



caenda), 110 

 Small, John A. Island Beach, 33 . 

 Smilacina racemosa, 51 

 Smilax laurifolia, 26 ; Walteri 26, 129 

 6"o/a M«Lr, 46, 85 



Solanum carolinense, 89; nigrum, 89 

 Solidago altissima, 49, 88; bicolor, 49, 88; 



hirsutissima, 88; juncea, 49; nemoralis, 



50, 88; ocforGf, 25; rugosa, 88; serotina, 



50 ; squarrosa, 61 ; stricta, 129 

 Sorghum halepense, 92; zndgare var. drum- 



mondii, 92 

 Sparti)ia alterniflora, 92 

 Spinacia, cytology of tapetal cells in, 31 ; 



oleracea, 82 



