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538 



CONNECTICUT GEOL. AND NAT, HIST. SURVEY. 



[Bull. 



Poplar 



White 141 



Yellow 194 

 Popple 141 

 Poppy 197 



California 196 



Common 197 



Corn 197 



Field 197 



Garden 197 



Mexican 197 



Opium 197 



Prickly 197 



Red 197 



Shirley 197 



Smooth-fruited 197 



White Prickly 197 

 Poppy Family ig6 

 Populus 141 



alba 141 



balsamifera 142 

 var. candicans 142 



candicans 142 



deltoides 142 



dilatata 143 



grandidentata 142 



heterophylla 142 



monilifera 142 



nigra 143 

 var. italica 143 



tremuioides 141 

 Porcupine Grass 60 

 Portulaca 182 



grandiflora 182, 431 



oleracea 182 

 Portulaca 182 



Garden 182 



Showy 182 

 Portulacaceae 182, 437, 440 

 Post Oak 150 

 Pot Marigold 403 

 Potamogeton 40, 441 



alpinus 41 



americanus 41 

 var. novaeboracensis 41 



amplifolius 41 



angustifolius 42 



Potamogeton 



var. connecticutensis 42 

 bupleuroides 43, 416 

 crispus 425 

 dimorphus 44 

 diversif alius 44 

 epihydrus 41 



var. cayugensis 41 

 Auitans 41 

 foliosus 44 

 Friesii 43 

 gemmiparus 44 

 heterophyllus 42 



forma gi-ammifolius 42 

 " longipedunculatus 42 

 " maximus 42 

 " myriophyllus 42 

 " terrestris 42 

 Hillii 43 

 hybridus 44 



var. multi-denticulatus 44 

 lateralis 43, 423 

 lonchites 41 



var. novaeboracensis 41 

 lucens 42 



var. connecticutensis 42 

 mucronatus 43 

 natans 40 

 nitens 43 

 Nuttallii 41 



var. cayugensis 41 

 Oakesianus 41 

 obtusifolius 43 

 pauciAorus 44 

 pectinatus 44 

 pennsylvanicus 41 

 perfoliatus 43 



var. lanceolatus 42 

 " Richardsonii 42 

 pinnatum 295 

 praelongus 42 

 pulcher 41 

 pusillus 43 



var. Sturrockii 43 

 Richardsonii 42 

 Robbinsii 44 

 rufescens 41 



