THE PINE SUB-FAMILY. 145 



erally forms a rather large tree of about 60 feet in height, 

 and although the leaves are of but moderate length, the 

 branches and branchlets are remarkably long, slender, and 

 drooping, and present a beautiful effect. 



55. P, Sinensis, Lambert Qf which there are three 

 or four synonyms, is from China and Japan, and is found 

 growing very plentifully, particularly on the more elevat- 

 ed situations. It is about 50 or 60 feet in height, although 

 occasionally not over 30 or 40 feet in some sections. 



56. P. Teocote, Schiede. This is the Candle-wood 

 Pine from the mountains of Mexico, and is a tall, resinous 

 species of about 100 feet in height, with stiff branches, 

 very densely covered with leaves. 



Among the tender and uncertain species belonging to 

 the Quince section, are the following : 



57. P. Apulcensis, Lindley. One of Hartweg's dis- 

 coveries on the mountains near Apulco, in Mexico. It 

 grows about 50 feet in height, with strong, irregular 

 branches, and slender, wavy, glaucous leaves. 



58. P. Ayacahuite, Ehrenberg. Another Mexican 

 species of large size, growing about 100 feet high, and 

 much resembling the P. Strobus in general appearance. 



59. P. Dcvoniana, Lindley. Also one of Hartweg's 

 discoveries from the Ocotillo Mountains in Mexico, where 

 it is found growing from 60 to 80 feet high. This species 

 has long, slender leaves of a rich shining green color. 



60. P. filifolia, Lindley. Grows from 40 to 60 feet 

 high, and is a native of Guatemala. The leaves are from 

 12 to 14 inches in length, and very handsome. 



61. P. Gordoniana, Hartweg. Was discovered by 

 Hartweg on the Saddle Mountain in Mexico. It grows 



7 



