231 



Morus alba, 218 



Muenscher, W. C, Notes on Wash- 

 ington Plants, 166 

 Myosotis micrantha, 179 

 Myrica carolinensis, 69 

 Myriophyllum tenellum, 216 



Najas flexilis, 215 



Naylor, Ernst E., 57, 137 



Nearing, G. G., Guide to the Lichens 



of the New York Area, 9, 34, 



110, 198; Field trip of Mar. 17, 



128; —trip, of Mar. 31, 130 

 Negundo aceroides, 180 

 Nelson, Miss Irene, 60 

 Nemopanthus mucronata, 213, 216 

 Nepeta cataria, l(i, 218 

 Nephroma helveticum, 17; laeviga- 



tum, 18 ; parile, 18 ; resupinatum, 



16 

 New Plant Immigrants in the New 



York Area, Mary Holtzoff, 43 

 News Notes, 28, ^2, 101, 139, 183, 218 

 Nichols, Dr. Susan P., 60 

 Nymphaea advena, 70 ; tetragona, 



167 ; tuberosa, 167 

 Nyssa sylvatica, 75 



Oakesia sessilifolia, 31, 68 

 Oenothera biennis, 74 

 Onoclea sensibilis, 30, 65, 84 

 Ononis repens, 44 

 Onopordum acanthium, 80 

 Ophioglossum vulgatum, 215 

 Orchis spectabilis, 132 

 Orobanche unifiora, 11 

 Orontium aquaticum, 215 

 Osmorhiza claytoni, 180 

 Osmunda cinnamomea, 31, 66, 216; 



claytoniana, 30; regalis, 31 

 Oxalis acetosella, 216; europaea, IZ, 



168 

 Oxycoccus palustris, 216 

 Oxydendron arboreum, 52 



Pagan, F. M., 61 



Panax quinquefolium, 25, 179 



Panicum capillare, 55, 67 ; clandes- 



tinum, (iJ ; dichotomiflorum, (il ; 



meridionale, 67 ; oricola, 67 ; 



scoparinum, 82 ; scribnerianum, 



67; virgatum, 67 

 Parietaria pennsylvanica, 83, 214 

 Parks, Harold E., 136 

 Parmelia caperata, 133 ; conspersa, 



128, 133; conspurcata, 128, 133; 



olivacea, 128, 133, 216; physodes, 



133, 216; rudecta, 133; saxatilis, 



128; sulcata, 128 

 Parmeliopsis aleurites, 128 

 Paspalum muhlenbergii, €7 

 Pastinaca sativa, 75 

 Paulownia tomentosa, 11 

 Peltigera aphthosa, 38 ; canina, 34, 



133 ; horizontalis, 35 ; malacea, 



Z^i ; polydactyla, Z(i ; rufescens, 



Z^y; scutata, Z()\ spuria, 36, 133; 



venosa, 38 

 Penn, Ray E., 137 

 Penstemon digitalis, 215; hirsutus, 



180 

 Penthorum sedoides, 218 

 Persea borbonia, 85 

 Persicaria natans, 215 

 Pessels, Miss Wellmer, 98 

 Petalonia fascia, 190 

 Peters, Eric W., 139 

 Petunia violacea, 76 

 Phaseolus vulgaris, 25 

 Phegopteris dryopteris, 216; hexa- 



gonoptera, 215; polypodioides, 



216 

 Philadelphus inodorus, 85 

 Phleum pratense, 67 

 Phlox divaricata, 179 ; ovata, 8 ; 



subulata, 179 

 Phragmites communis, 67 

 Phycodrys rubens, 193 

 Phyllophora brodaei, 193 ; membrani- 



folia, 193 

 Phyllospadix scouleri, 123 ; torreyi, 



123 

 Physalis heterophylla, 1(>; pruinosa, 



l(i; subglabrata, Id 



