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the number of needles that occur together in a bundle or sheath. 

 .Altogether there are 27 different species and varieties of pine in 

 the collections of the Pinetum and it will be well to list them here 

 according to the number of their leaves. 



Of 18 different known species with needles in 5's, seven are in 

 the Garden, viz. : 



P. Cembra, Swiss Stone-Pine of Europe and Siberia 

 P. excelsa, Himalayan White-Pine of the Himalayas 

 P. fiexilis, Limber Pine of western North America 

 P. koraiensis, Korean Pine of northern Asia 

 P. parvi flora, Japanese White- Pine of Japan 

 P. Pence, Macedonian Pine of southeastern Europe 

 P. Strobus, Eastern White-Pine of eastern North America 

 Of 20 or 25 known species with needles in 3's, six are in the 

 Garden, viz. : 



P. Bungcana, White-Bark Pine of China 

 P. Sabiniana, Digger Pine of western United States 

 P. sinensis, China Pine of China 

 P. Jeffreyi, Jeffrey's Pine of western United States 

 P. rigida, Pitch Pine of eastern North America 

 P. ponderosa, Western Yellow-Pine of western North 

 America 



Of 20 or 25 known species with needles in 2's, eight are in the 

 Garden, viz. : 



P. sinensis, China Pine of China 



P. sylvestris, Scotch Pine of Europe and western Asia 



P. Thiinbergii, Japanese Black-Pine of Japan 



P. nigra, Austrian Pine of southern Europe 



P. virginiana, Jersey or Scrub Pine of eastern United States 



P. pungens, Table-Mountain Pine of eastern United States 



P. Banksiana, Jack Pine of eastern North America 



P. densiflora, Japanese Red-Pine of Japan 



P. resinosa, Red Pine of the United States 



The other 6 pines not included here are varieties of these species. 



Ornamentally some of the pines are distinctly valuable. As a 

 whole, they are surpassed by the firs and spruces. They are, for 

 the most part, trees; few are shrubby. Consequently, they serve 

 for backgrounds or as individual specimens and do not as a rule 

 fit into small plantings. For permanent and large settings they 

 are especially fine, for they do not lose their beauty with age as do 



