CHECK-LIST 401 



Picea excelsa. See P. Abies. 

 1 Picea glauca (P. alba and P. canadensis). White Spruce. Tree 60-70 ft. 



Lab. to Alaska south to Mont, and Minn. 

 2R Picea jezoensis (P. ajanensis). Tree 100-150 ft. E. Siberia to N. Japan. 



Rarely cult. East but successful in N. W. 

 IR Picea mariana (P. nigra). Black Spruce. Small tree usually 2.5-30 ft. Cold 



bogs and mt. slopes. Canada, south to the Great Lakes and N. J. 

 IR Picea mariana var. Doumetii. Dense conical pyramid. 



Picea nigra. See P. mariana. 

 IR Picea Omorika. A very promising new spruce from S. E. Eu. 



IP Picea orientalis. Oriental Spruce. Tree to 120 ft. W. Asia, Caucasus. Grace- 



ful slow-growing tree adapted to smaller scale plantings and easily restrained. 

 Cult. South. 

 IPR Picea polita (P. Torano). Tigertail Spruce. Tree to 90 ft. Japan. Cult. South. 

 1 Picea pungens (P. Parryana). Colorado or Blue Spruce. 80-100 ft. Wyo. to 



Colo, and Utah. Very hardy tree. 

 1 Picea pimgens var. Kosteriana. Koster Blue Spruce. This is the bluest form 



of the Colorado or blue spruce. 

 IR Picea rubra (P. australis). Red Spruce. Tree to 80 ft. Canada to N. C. along 



the Alleghany. Requires cool and moist situations. 

 Picea Torano. See P. polita. 

 IB Pieris (Andromeda) floribunda. Dense shrub to 3 ft. Va. to Ga. in the Al- 



leghany Mts. 

 2B Pieris formosa (Andromeda formosa). Shrub or small tree to 20 ft. E. Hima- 



layas. Cult. Fla. 

 IBP Pieris (Andromeda) japonica. Shrub to 6 ft., sometimes larger. Japan. Cult. 



South. 

 2B Pieris lucida (Andromeda nitida). Fetter-Bush. Shrub 2-6 ft. N. C. to Fla. 



and La. 

 2B Pieris ovalifolia (Andromeda ovalifolium). Half-evergreen or deciduous shrub 



or tree to 40 ft. Himalayas. Cult. Fla. 

 2B Pimelea ferruguinea. Shrub to 3-5 ft. W. Australia. Cult. Calif. 



Pine, Alleppo. See Pinus halepensis. 

 Pine, Australian. See Casuarina equisetifolia. 

 Pine, Austrian. See Pinus nigra var. austriaca. 

 Pinus, Bhotan. See Pinus excelsa. 

 Pine, Cluster. See Pinus Pinaster. 

 Pine, Digger or Bull. See Pinus Sabiniana. 

 Pine, Italian Stone. See Pinus Pinea. 

 Pine, Jack or Scrub. See Pinus Banksiana. 

 Pine, Japanese Black. See Pinus Thunbergii. 

 Pine, Japanese Red. See Pinus densiflora. 

 Pine, Jeffrey. See Pinus Jeffreyi. 

 Pine, Limber. See Pinus fiexilis. 

 Pine, Ix)blolly. See Pinus Tseda. 

 Pine, Monterey. See Pinus radiata. 

 Pine, Mountain White. See Pinus monticola. 

 Pine, Mugo. See Pinus Mugo var. Mughus. 

 Pine, Nut. See Pinus cembroides var. Parryana. 

 Pine, Pitch. See Pinus rigida and Coulteri. 

 Pine, Prickle-cone. See Pinus muricata. 

 Pine, Red or Norway. See Pinus resinosa 



