800 THE FLORA. 



COHORT IV. 



THE CONOIDS. 



ORDER CXXVII. CONIFEE^E. Pineworts. 



Trees or shrubs, mostly evergreen, abounding in resinous juice ; 

 leaves scattered or fascicled, mostly linear, parallel or fork-veined. 

 flowers monoecious or dioecious, naked, in aments and cones. 

 S Stamens 1, or several united. ? Ovules l-oo naked in the axil of the scale 

 No pistil, calyx, or corolla. 



Fruit a strobile or cone with the scales woody and distinct, or berry-like 

 with the scales fleshy and coherent. Illustrated in Figs. 7, 9, 91, 300, &c. 



Analysis of tlie Genera. 

 g Scales of the cone each with a bract beneath and 2 seeds above (a) 



5 Scales brat tless. Ovules and seeds 1-9. Lvs. scale like or awl-shaped. ..(b) 



a Leaves evergreen, linear, 2-5-together in each fascicle. Pine. PINUS. 1 



a Leaves evergreen, linear, solitary, scattered. Spruce, &c. ABIES. 2 



a Leaves deciduous, linear, in fascicles of many together. Larch. LARIX. 3 



b Cones berry like, consisting of the fleshy colierent scales. Juniper. JUNIPEUUS. 4 



b Cones dry, sca'es imbricated. Leaves scale-form, opposite, 4-rowed. THUYA. 



b Cones dry, globular ; si-ales angular, valvately closed until ripe....(c) 



c Leaves scile-form opposite. 4-rowed. Cones small (3"). White Cedar. CUPRESSUS. 

 c Leaves linear, alternate, deciduous. Cones 1' diameter. Cypress. TAXODIUM 



1. PIN US. Pine. 

 $ Leaves in 5s. Scales spineless, scarcely thickened at the end.... No. I 



Leaves in 3s. a Cones oblong, with small recurved spines 2, 3 



a Cones egg-shaped, with weak or strong spines 4, 5 



{ Leaves in 2s. b Scales tipped with spines or prickles.... 6, 7 



b Scales without spines.... 8, 9 



1 P. Strobns. White Pine. A majestic tree 100-1'Of. in the forests. Leaves needle- 

 shaped, 4-5', not rigid. Cones pendulous, oblong 5-7'. Timber of great value. 



1 f austra'lis. Long-leaved P. Tree (iO-100f.. very resinous. Loaves 10-15' long, crowded. 



Cones If. long. S. Excellent for timber, turpentine, or fad. 



2 F Taeda. Loblolly P. Tree 50-90f. Leaves 6-10', with long sheaths. Cones half M 



long as the leaves, with small but strong spines. Excellent fuel. Va. and 8. 



4 P. sero'tina. Pond P. T*ree 30-50f. Lvs. 5-8', rigid. Cone as large as a goose egg, 



smooth and finning, nearly spineless. Grows in wet woods, South. 



5 P. rig'ida. Pitch P. Tree 30-70f., with very rou<rh bark. Loaves rigid, 4-tf. 



Spines stout, recurved, cones clustered, ovoic conic, 2-3'. In sandy barrens. 



6 * mitis. Yel'mo P. Spruce P. Tree of slow growth. 30-60f. Leaves often in 3i. ^ut 



mostly in pairs, slender, 3-5'. Cone scarcely 2', o-"oid-conic. Timber good. 



