370 



STANDARDIZED PLANT NAMES 



PHYSOCARPUS . . . NiNEBARK 

 bracteatus (Opulaster hracteatus Ag) 



TwiNPOD NiNEBARK 



glabratus (0. glabratus Ag) 

 intermedius (0. intermedius Ag) 



Illinois N. 

 malvaceus (0. malvaceus Ag) 



Mallow N. 

 monogynus (0, monogynus Ag) 

 opulifolius (0. opulifolius Ag; iSpi- 

 raea opulijolia) 



Common Ninebark 

 Hort. var. of Physocarpus : 



GOLDLEAF NiNEBARK (P, OpuU- 



folius luteus'l Cy; aureus) 

 PHYSOSIPHON 



See ORCHID GENERA. 



PHYSOSTEGIA False-dragonhead 

 speciosa . . P. virginiana speciosa 

 virginiana (virginica; Dracoceph- 

 alum virginianum Ag) 



Virginia False-dragonhead 

 — speciosa . . Tall Cluster F. 

 Hort. var. of Physostegia: 

 White False-dragonhead (P. vir- 

 giniana alha\ Cy) 



PHYTOLACCA . . . Pokeberry 

 americana {decandra) . Common P. 



PIAROPUS Ag . . EICHHORNIA 



PICEA Spruce 



ahies Ag-Ar P. excelsa 



ojanensis P. jezoensis 



alba P. canadensis 



alcockiana (P. hicolor Cy- Ag-Ar; 

 Abies alcockiana) 



Alcock Spruce 



bicolor Cy-Ag-Ar . . P. alcockiana 



canadensis {alba; P. glauca Ag-Ar) 



White Spruce 



— albertiana .... Alberta S. 



See also hort. var. list opposite. 



conica . Arrowhead Norway S. 



Hort. var. of P. excelsa. 



douglasi . . Pseudotsuga douglasi 

 engelmanni . Engelmann Spruce 



See also hort. var. list opposite. 



excelsa (P. abies Ag-Ar; Abies ex- 

 celsa) .... Norway Spruce 



See also hort. var. list opposite. 



PICEA, continued 



glauca Ag-Ar ... P. canadensis 

 glehni .... Sakhalin Spruce 

 jezoensis (ajanensis) . Yeddo S. 

 — hondoensis .... Hondo S. 

 kosteriana . . . Koster Blue S. 



Hort. var. of P. pungens. 



mariana (nigra) . . , Black S. 



See also hort. var. list below. 



maximowiczi . Japanese Bush S. 



menziesi P. sitchensis 



morinda P. smithiana 



nigra P. mariana 



obovata . . . Siberian Spruce 



omorika Serbian S. 



orientalis (Abies orientalis) 



Oriental S. 



See also hort. var. list below. 



parry ana P. pungens 



polita .... Tigertail Spruce 



pungens (parryana; Abies pungens) 



Colorado Spruce 



See also hort. var. list below. 



rubens Ag P. rubra 



rubra (P. rubens Ag) . Red Spruce 



sargentiana Sargent S. 



schrenkiana Schrenk S. 



sitchensis (menziesi; Abies men- 

 ziesi) Sitka Spruce 



smithiana (morinda) Himalayan S. 

 Hort. var. of Picea: 



Arrowhead Norway Spruce (P. 

 excelsa conica\ Cy; conica) 



Barry S. (P. excelsa clanbrasiliana\ 

 Cy; barryi) 



Blue Colorado S. (P. pungens 

 glauca^ Cy) 



Blue Engelmann S. (P. engel- 

 manni glauca'l Cy) 



Burly Norway S. (excelsa robusta) 



Cranston Norway S. (excelsa cran- 

 stoni) 



Doumet S. (Picea mariana dou- 

 meti\ Cy) 



Dwarf Alberta S. (P. glauca con- 

 ica kr) Hort. var. of P. canadensis. 



Dwarf Colorado S. (P. pungens 

 compacta^ Cy) 



Dwarf Pyramid S. (excelsa parvi- 

 formis) 



BOLD-face=approved scientific names. /r^Zic=synonyms or unapproved names. 



