$4 PINACEAE 
overlapping, in four ranks. Ends of the leaves sometimes spiny. Berries 
round or oval, light blue or greenish-blue. Dry hillsides. Common. 
4. J. sabina, L. Surussy Rep Cepar. (J. sabina, var. procumbens, 
Pursh.) A low trailing shrub, often resembling a vine. Similar to red 
cedar in leaves and fruit. In northern sections of our region, mostly on 
sea coast. 
a. THUSA, L. 
Cones leathery or woody with but few (6 to 8) scales, ovoid, green or 
reddish-brown attached to extremities of the twigs. Leaves in four ranks 
elasping and overlapping each other, the lateral leaf keeled, giving the 
leaf-enveloped stem a broad flattened appearance. 
T. occidentalis, L. (Fig. 5, pl. 1.) Wuire Cepar. Arsor ViTar, A 
tree often of large dimensions, branching extensively. Growing mostly 
in swamps. All parts aromatic. 
3. CHAMAECYPARIS, Spach. 
Trees similar to Thuja, with very small leaves in 4 ranks, forming a 
rounded leaf-encireled stem. Cones globose, with small knobs on the sur- 
face of the scales. 
C. thyoides, (L.) BSP. (Fig. 4, pl. 1.) Sournern Wuire Cepar. 
A tree, cone-like in form, generally in swamps. Young leaves bluish-green. 
Cones about } in. diameter, bluish, knobby. Swamps, principally in 
southern part of our area. 
TrisE II.— ABIETINEAE. Tue Pine TRIBE 
Trees and shrubs with resinous juice. The leaves, all prismatic 
and needle-shaped, are arranged in spirals around the stem. This 
arrangement holds whether the leaves are grouped in bundles or 
are inserted separately. In the first instance the groups are ar- 
ranged spirally, in the second the individual leaves are so 
arranged. 
1. LARIX, Adams 
Tall tree with spreading branches. Leaves in fascicles of 20 or more, 
without sheath but growing directly from a knobby, woody support (sup- 
pressed branch); leaves deciduous. 
L. laricina,(Du Roi) Koch. (Fig. 6, pl. 1.) Laron. TAMARACK, Tree 
attaining a height of over 50 ft. It is our only species of the pine family 
with deciduous leaves. These grow in thick, diverging clusters, which in 
the spring are of a light and brilliant green color, } in. to 1 in. long. 
Each leaf of the fascicle starts in the axil of a minute scale. The brown 
cones are borne at the base of young branches. In swamps. Leaves ap- 
pear in May. 
L. decidua, (Mill), the European species, with longer leaves, often 
cultivated in our region. 
a. PINUS, L. 
The young branches have short scaly leaves, in the axils of which spring 
