PONCIRUS— POPULUS 



379 



PONCIRUS 



trifoliata Cy-Ag . Citrus trifoliata 



Pond Pine Pinus serotina 



Pond-apple .... Annona glabra 

 PoNDCYPRESs . Taxodium ascendens 

 Pond WEED 

 Cape-pondweed 



Aponogeton distachyus 

 PONTEDERIA . . . Pickerelweed 



cordata Pickerelweed 



Pontic Azalea, Pontic Rhododen- 

 dron, etc. See Azalea, Rhodo- 

 dendron, etc. 

 Poor-robins-plantain 



Erigeron pulchellus 



Poplar POPULUS 



Balm-of-Gilead p. p. candicans 

 Balsam P. ... P. balsamifera 



Black P. ....... P. nigra 



Black Italian P. . . P. serotina 



Bolleana P P. boUeana 



Carolina Cottonwood 



P. angulata 



Carolina P P. eugenei 



Chinese Aspen . . P. adenopoda 



Chinese P P. lasiocarpa 



Chinese White P. P. tomentosa 

 European Aspen . . P. tremula 

 False Lombardy P. . .P. robusta 

 Fremont Cottonwood P. fremonti 



Gray P P. canescens 



Japanese P. . . .P. maximowiczi 



Korean P P. koreana 



Largetooth Aspen 



P. grandidentata 

 Lombardy P. (P. nigra italica'\ Cy) 

 Mongolian P. . . .P. suaveolens 

 Narrowleaf Cottonwood 



P. angustifolia 

 Northern C. . . .P. monilifera 



PuRDOM P P. purdomi 



Quaking Aspen . P. tremuloides 

 Sargent Cottonwood P. sargenti 



Siebold P P. sieboldi 



Silver P. (P. alba nivea^ Cy) 



Simon P P. simoni 



Smoothbark Cottonwood 



P. acuminata 



Southern C P. deltoides 



Szechwan p. . . .P. szechuanica 



Small CAPiTALS=approved common names. 



PoPLAH, continued 



Van Geert P. Hort. var. of Pop- 



ulus serotina. 

 Weeping Aspen (P. tremula pen- 

 dula\ Cy) 



White P Populus alba 



Wilson P P. wilsoni 



Yunnan P. ... P. yunnanensis 

 Poplar Stonecrop 



Sedum populifolium 



Poppy Papaver 



Alpine P P. alpinum 



California-poppy . Eschscholtzia 



Canyonpoppy Romneya 



Celandine-poppy 



Stylophorum diphyllum 



Corn P Papaver rhoeas 



Crimson Blackspot P. 



P. r. umbrosum 

 Dragon P. P. dubium laevigatum 



Falsepoppy Meconopsis 



Great Scarlet P. 



Papaver bracteatum 



HoRNPOPPY Glaucium 



Iceland P. . . Papaver nudicaule 



Longpod P P. dubium 



Mexican Tulip P. . . . Ckjldk.n- 



cup: Hunnemanniafumariaefolia 



Olympic P. . . . Papaver pilosum 



Opium P P. somniferum 



Oriental P P. orientale 



Parkman Oriental P. (P. o. 

 parkmani] Cy) 



Peacock P P. pavonium 



Plumepoppy Bocconia 



Pricklepoppy .... Argemone 

 Satinpoppy . Meconopsis wallichi 

 Snowpoppy . Eomecon chionantha 

 Treepoppy 



Dendromecon; D. rigidum 



Tulip P Papaver glaucum 



Waterpoppy 



Hydrocleis; H. nymphoides 

 Poppy Anemone Anemone coronaria 



Poppy-mallow Callirhoe 



Low P C. involucrata 



Tall P C. pedata 



POPULUS Poplar 



acuminata 



Smoothbark Cottonwood 



Abbreviations: (Ag) (Ar) (Cy) (t) see page 1. 



