CONIFERS. 339 



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3. CUPRESSUS. Litw. Cypress. 



(From the Island of Cyprus, where one species of the tree is abundant.) 

 Monoecious. STERILE FL. Ament solitary. Anthers 2 4 

 celled. FERTILE FL. Cone globose ; the scales protuberant or 

 mucronate in the centre, and finally spreading. Seeds angular, 

 compressed. 



1. C. disticha Linn. : leaves distichous, flat, deciduous; sterile flowers 

 leafless, paniculate. 



Swamps. N. J. to Flor. W. to Miss. May. One of the largest trees of the 

 forest, occurring in extensive swamps, especially at the South. Leaves small, 

 linear and acute. Cone with an irregular surface. Timber very durable. 



American Cypress. 



2. C. thuyoides Linn. : branches compressed ; leaves imbricate in four 

 rows, ovate, tuberculate at base. 



Swamps. N. Y. to Car. May. A middle-sized tree, composing the Cedar 

 svxunps of the middle and southern states. Wood light, soft and durable, used 

 as is the preceding, for shingles, cedar-ware, rails, &c. White Cedar. 



4. PINUS. Linn. Pine. 



(Said to be derived from the Celtic pin or pen, a crag or stony mountain ; 

 often its place of growth.) 



Monoecious. Aments racemosely clustered ; scales peltate. 

 Stamens numerous, with short filaments. FERTILE FL. Aments 

 more or less conic or cylindric ; scales closely imbricate, 2- 

 flowered, enlarging and becoming woody, forming a cone. 

 Seeds winged at the summit, covered by the scales of the 

 cone. 



* Leaves 2 5, sheathing at base. Scales of the cone thickened at the 

 summit. PINUS. 



1. P.inopsAU: leaves short, mostly in pairs; cones oblong-ovoid, as 

 long as the leaves, somewhat recurved ; spines of the scales subulate, 

 straight. 



Sterile soils. N. J. to Car. W. to the Rocky Mountains. May. A tree 

 15 40 feet high, with straggling branches and full of resin. Leaves about 

 2 inches long. Cones 2 3 inches long, ovoid, tapering and a little curved. 



Pitch or Scrub Pine. 



2. P. resinosa Ait. : leaves elongated, in pairs ; sheaths elongated ; cones 

 ovoid-conic, rounded at base, stibsolitary, half the length of the leaves ; 

 scales dilated in the middle, unarmed. P. rubra Mick. 



Mountain woods. Can. N. Eng. N. Y. W. to the N. W. Coast. May. A 

 tree 60 or 70 feet high. Leaves 4 6 inches long. Cones 2 3 inches long, ab- 

 ruptly pointed. Found on the Helderburg mountains near Albany, N. Y. 



Red Pine. Norway Pine. 



3. P. Banksiana Lamb.: leaves short, in pairs, rigid, divaricate, ob- 

 lique ; cones recurved, tortuous ; scales unarmed. P. rupestris Mich. f. 



