186 



NEW YORK STATE MUSEUM 



Potent ilia arguta, 107 



canadensis, 107 



monspeliensis, 107 



norvegica, 107 



palustris, 107 



pumila, 107 

 Pottia riparia, 21 

 Powderhorn, 94 

 Prenanthes alba, 150 



altissima, 150 



serpentaria, 150 

 Primrose, evening, 124 

 Primulaceae, 131-32 

 Prince's feather, 90 

 Privet, 133 

 Prunella vulgaris, 137 

 Prunus americana, 110 



avium, 110 



cerasus, 110 



pennsylvanica, 110 



persica. 111 



serotina, 111 



virginiana, 111 

 Pteridophyta, 48-53 

 Pteris aquilina, 51 

 Purslane, 92 



marsh, 124 



milk, 116 

 Pussly, 92 

 Pycnanthemum incanum, 139 



lanceolatum, 139 



linifolium, 139 

 Pyrola chlorantha, 129 



elliptica, 129 



rotundifolia, 129 



secunda, 129 

 Pyrolaceae, 129 

 Pyrus americana, 108 



arbuti folia, 109 



var. melanocarpa, 109 



communis, 109 



coronaria, 109 



malus, 109 



Q,uack grass, 60 

 Quercus acuminata, 87 



alba, 86 



bicolor, 87 



roccinea, 86 



var. tinctoria, 86 



Quercus ilicifolia, 86 



macrocarpa, 86 



muhlenbergii, 87 



nana, 86 



platanoides, 87 



prinoides, 87 



priiuis, 87 



rubra, 86 



velutina, 86 

 Quillwort, Engelmann's, 53 



Rabbit foot, 112 

 Racomitrium heterostichum, 21 

 Radish, garden, 100 

 Ragweed, 151 



great, 150 

 Ragwort, golden, 159 

 Ranunculaceae, 95-98 

 Ranunculus abortivus, 97 



acris, 97 



fascicularis, 98 



flammula var. reptans, 97 



hispidus, 98 



pennsylvanicus, 97 



recurvatus, 97 



reptans, 97 



sceleratus, 97 



septentrionalis, 98 

 Rape, 100 



broom, naked, 144 

 Raphanus raphanistrum, 32 



sativus, 100 

 Raspberry, dwarf, 106 



purple flowering, 105 



purple wild, 105 



wild red, 105 

 Rattlesnake fern, 48 

 Rattlesnake root, 150 

 Rattlesnake weed, 150 

 Red robin, 115 

 Redroot, 120 

 Redtop, 60 



false, 63 

 Reed canary grass, 58 

 Reedgrass, Nuttall's, 61 



slender wood, 60 



wood, 60 

 Reseda odorata, 103 

 Resedaceae, 103 

 Rhamnaceae, 119 



