INDEX 



139 



Matricaria suaveolens, 49 



McKenna, P. J. The relation of botany 

 to horticulture, lecture, 30 



Mcdicago lupulina, 46, 67 



Meibomia dillenii, 84 ; marylandica, 84 ; 

 paniculata, 84; rigida, 84 



Melampyrum lineare var. latifolium, SO 



Melandrium, Localization of the male de- 

 termining gene in, abstract, 57 



Mclilotus alba, 85 



Mentha citrata, 24 ; piperita, 90 



Mensiesia pilosa, 61, 86 



Merriam, John C, 133 



Mertensia virginica, 66 



Meritlius lacrymans, 39 



Micranthes micranthidi folia, 81 



Mikania scandens, 88, 131 



Miller, Lawrence P. Induced formation 

 of glycosides in plants, lecture, 58 



Mitella diphylla, 66 



Moldenke, Alma L. Review, 53 



Moldenke, Harold N. A contribution to 

 our knowledge of the wild and cultivated 

 flora of Delaware, 106 ; of Maryland, 79; 

 of Massachusetts, 41 ; Reviews, 119, 122 



Mollugo verticillata, 44 



Monarda fistulosa L. and its two white- 

 flowered forms, 68: clinopodia, 68; 

 didyma, 51; fistulosa var. typica, 68; f. 

 albescens, 68 ; var. mollis, 68 ; f . albi- 

 flora, 68 ; mollis, 68 ; punctata, 90 



Monotropa Hypopitys, 129; uniflora, 48 



Mnscari botryoides, 91 



Myceliochytrium fulgens, 104, 105 



Mycena galericidata, 26 



Myosotis sylvatica, 66 



My*rica peregrina, 67 



Nabalus albus, 87 



Najas flexilis, 91 



Nectandra, 110 



Nepcta hederacea, 66 



Nicandra physalodes, 89 



Nintooa japonica, 87 



Nyssa bi flora, 86 ; sylvatica, 85 



Odostemon aquifoliitm, 81 



Oenothera muricata, 45 



Officers for 1945, 30 



Opuntxa vulgaris, 127 



Origanum vulgare, 51 



Orobanche ramosa, 90 



Orontium aquaticum, 51 



Orthilia secunda, 48 



Orysopsis asperifolia, 67 



Osmunda cinnamomea, 42, 80; var. fron- 



dosa, 42; claytoniana, 42, 65 

 Osmund opteris virginiana, 42 

 Ostrya virginiana, 67 

 Oxalis montana 45, 61 ; stricta, 66 



Padus virginiana, 46, 107 



Panaeolus campanulatus, 40 



Panax trifolium, 67 



Panicularia grandis, 91 



Panicum amarulum, 92 ; capillarc, 52 ; 



dichotomiflorum, 92; meridionale, 92; 



polyanthes, 109; verrucosnm, 92; virga- 



tum var. cubense, 92 

 Papyrius payrifera, 85 

 Parictaria pennsylvanica, 23 

 Parmelia conspersa, 80 ; perforata, 80 

 Parnassia caroliniana, 44 

 Paspalum floridannm var. glabratum, 92 ; 



I a eve, 92 

 Pastinaca sativa, 86 ; var. sylvestris, 48 

 Pedicnlaris canadensis, 50, 66 

 Pennsylvania flora, abstract, 60 

 Penstemon digitalis, 109 ; laevigatus, 50 

 Per sea caerulea, 110; Schicdeana, 110 

 Persicaria pensylvanica, 82 ; var. laevigata, 



82; punctata, 82 

 Petroselinum crispum var. crispum, 48 

 Phacelia, 94 



Phaethusa occidentalis, 88 

 Pharbitis purpurea, 89 

 Phaseolus limensis var. limenanus, 46; w/- 



parw var. humilis, 46 

 Phenianthus sempervirens, 87 

 Philadelphus coronarius, 45 

 Phleum pratense, 109 

 Phlox divaricata, 66 ; drummondii, 89 ; 



subulata, 66 

 Phloradendron flavescens, 85 

 Physalis subglabfata, 89 

 Physalodes peruvianum, 89 

 Physostegia virginiana, 109 

 Phytolacca americana, 82 

 Pilostaxis lutea, 81 

 Pineapple industry, abstract, 59 

 Pm7/j banksiana, 118; glabra, 118; palustris, 



117; pungens, 61; taetfa, 81, 107 

 Planchonella disticha, 69-72 

 Plantago virginica, 89, 109 

 Pleistocene forests of Southeastern North 



Carolina, 117 

 Pluchea camphorata, 88 

 Poa annua, 67; pratensis, 67, 109 

 Polanisia trachysperma, 24, 128, 130 

 Polunin, Nicholas, 96 

 Polycodium stamineum, 86 

 Polygala paucifolia, 66, 125 ; sanguinea, 81 ; 



viridescens, 81 

 Polygonatum pubescens, 67 

 Polygonella articulata, 131 

 Polygonum Careyi, 129; Muhlenbergii, 22; 



virginianum, 98 

 Polyporus Berkcleyi, 39; betulinus, 39; 



cinn-abarinus, 39 ; elegans, 39 ; Sprageui, 



39 

 Polystictus perennis, 39 



