2. PICEA Link, 1830, 
The name ts of classic origin and appears to have 
been applied to the Northern Spruce (Picea excelsa). 
Forest trees with straight excurrent trunks. Leaves 
alternate, linear, tetragonalin cross-section, sessile or 
short-stalked. Flowers naked, moncecious: the stamin- 
ate on branchlets of the preceding year: the pistillate 
terminal, composed of numefous persistant, imbricated 
scales, subtended by small bracts. Ovules 2 in the axil 
ofeach scale. Fruita pendulous cone, maturing the 
first year. Seed nut-like, winged. 
1. P. rubra ( Du Roi) Dietr. 
Pinus Mariana rubra Du Rot, Observ. Bot. 39. 
I 7T 3 IQ7 Ce sel, Ola 2a 92 
Picea rubra Dietr. F\. Berol.2: 795. 1824. 
P. rubens Sarg. \. c. t. 597.Man. 41. 
RED SPRUCE, 
Tree 20-35 m. high; branches spreading or drooping ; 
branchlets pubescent; leaves slender, 12-15 mm. in 
length, acute, dark green witha yellowish tinge; cones 
2-4 cm. long, of a red-brownish color, deciduous; the 
scales rounded, entire or nearly so. 
Forming forest on slopesand summits 
of the high mountainsin Maryland and 
Virginia. 
‘Picea montes amat atque frigora, feralts arbor et 
Sunebri tndicio ad fores posita ac rogis virens, » » + 
Plin. 
79 
