Tsuga canadensis. 
Tree 18-30 m. in height: bark red-brown or grayish: 
leaves stalked, 1--1.5 cm. long, bright-green, shining, 
obtuse: cones I cm. or less in width; scales suborbicu- 
lar. nearly entire. 
Frequent on slopes, in ravines and a- 
long water-courses. —Western Maryland and 
Virginia. 
** Cones I.5-2.5 cm. long. 
2. T. caroliniana Engelm. 
ZI. caroliniana EH ngelm. in Bot. Gaz. 6: 223. 
1881. Sarg. Silva 12: 69. t. 604. Man. 49. 
HEMLOCK. 
. Smaller, stouter branched than 7. canadensis, 
from which it is always readily distinguished by its 
larger, darker, glossier, more retuse leaves and its larger 
cones with wide spreading scales. . . ;Hngelm.1.c. 
Little Brushy Mt., and slopes Farmer Mt., Va., 
Small, Vail. 
5. TAXODIUM, Richard, 1810. 
Trees with straight trunks and horizontal or drooping 
branches. Leaves of two forms —scale-like and linear- 
lanceolate, 2-ranked. Flowers moneecious; the stami- 
nate in globose clusters, forming panicles; the pistillate 
aments ovoid, scattered near the ends of the branches. 
Ovules 2 in the axil of each scale. Fruit a globose cone 
maturing the first year, Seed angular, winged. 
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