1. PINUS Plinius. 
The name Pinus ts of unknown origin. Linnaeus 
[Phil. Bot. 174.] classes the names Abies, Juniperus, 
Linus and numerous others under “‘[ Nomina] latina 
obscura guorum fontes ignoramus” and on p. 193, he 
groups these names and others under ‘| Nomina | lati- 
na quae a Romanis recepta fuere’. 
Stately trees, mostly with straight excurrent trunks. 
Leaves of two kinds; the primary scale-like; the secon- 
dary linear, in fascicles of 2-5. Flowers naked, mone- 
cious ; the staminate clustered, bearing numerous, spiral- 
ly disposed, scale-like stamens; the pistillate single or 
clustered, composed of numerous imbricated scales. 
Ovules 2 in the axil of each scale. Fruit a cone, usually 
maturing in two years; the scales more or less thickened 
at the apex. Seed nut-like, winged or wingless. 
} Leaves in fascicles of two, rarely three. 
* Scales of the cones tipped with slender prickles. 
§ Leaves about 4cm. long, rather stout. 
1.P. virginiana Miller. 
Pinus virginiana binis brevioribus & crasstort- 
bus setts de. Pluk. 1696. Alm. 297. 
Pinus folits geminis. . .. . statura humtlior 
Gron. Fl. Virg. 190. 
P. virginiana Miller, 1768. Gard. Dict. Sargent, 
1897. Silva 11: 123.t. 581; 1905.Man. 30. Hough 
TOO 7s drees 17 it Win 1/7. 
P. tnops Solander; Ait. 1789. Hort. Kew. 3: 367. 
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