162 riNUS; OR 



Gen. PINUS. Linnceus. The True Pines. 



Flowers, monoecious, or male and female on the same plant, 

 but separate ; the male catkins laterally placed in dense masses 

 around the shoots, in a kind of spike ; the female ones solitary, 

 or in whorls, and terminal. 



Cones, more or less conical, and woody. 



Scales, numerous, persistent, more or less elevated, pyramidal, 

 swollen, and imbricated. 



Seeds, oval, with a hard bony shell, and either furnished with 

 ample wings, or wingless. 



Seed-leaves, numerous. 



Leaves, in sheaths, of two, three, or five in number, somewhat 

 cylindrical, or concave on one side, and convex on the other, 

 persistent, and pointed. 



NamCy derived either from ' pinos,' a Greek word, signifying 

 Pine tree, or ' pion,' fat, the trees producing abundance of turpen- 

 tine ; or from ' Pinus,' derived from the Celtic word ' pen,^ a 

 mountain, in allusion to the situation in which these trees grow. 



All evergreen trees, found in Europe, Asia, and America, 

 with one in Africa (P. Canariensis). 



Section I. BINjE, or those kinds having only two leaves 



IN EACH SHEATH. 



No. 1. PiNUs AuSTRiACA, Hoss. The Austrian Pine. 

 Syn. Pinus nigricans, Hoss. 

 „ „ nigra, Link. 

 „ „ Laricio Austriaca, Endlicher. 

 „ „ nigrescens, Hort. 



Leaves, two in a sheath, slender, straight, and not wavy ; dark 

 glossy green, four or five inches long, erect when young, but 

 spreading and curved inwards when old ; outer surface half 

 round, inner channelled, sharp-pointed, rough at the edges, 

 and thickly set on the branches ; sheaths, very short, scaly, torn 



