324 DESCRIPTIONS OF THE SHRUBS 



tened to the twigs, usually so twisted as to spread out flat from 

 the twigs. (D.) 

 D. Leaves blunt or rounded at tips and whitened below. Tstiga. 



D. Leaves sharp or acute at tips and green below. TAxus. 



C. Leaves without stems and opposite or whorled on the 

 twigs. (B.) 



E. Leaves with 1 or 2 silvery lines on the upper side ; fruit 

 berry-like. Juniperus. 



E. Leaves with no silvery lines above, but sometimes be- 

 low. (F.) 

 F. Fruit elongated cones with lapping scales (^-1 inch long). 



Thtija. 

 F. Fruit rounded cones vrith scales widening at ends and 

 touching edge to edge. Chamsecyparis. 

 * Leaves scale-like and so pressed to the twigs as to cover them. (These 

 plants often have flat linear spreading leaves as well, especially on 

 young growths.) (G.) 

 G. Branchlets flattened out like a fan ; fruit a dry cone of 6-12 

 scales. (H.) 

 H. Cone elongated with lapping scales. Thdja. 

 H. Cone nearly globular vrith the scales widening at tips and 

 touching edge to edge; seeds 2 under the scales. Chamse- 

 cyparis. 

 G. Branchlets not flattened like a fan but extending irregularly in 

 all directions. (I.) 

 I. The linear leaves with silvery lines on the upper side ; fruit a 

 berry bluish or brownish when ripe, often covered with a glau- 

 cous bloom. Juniperus. 

 I. The leaves, if elongated and spreading enough to' show, will be 

 found without silvery lines on the upper side ; fruit a globular 

 cone with the scales widening at tip and touching edge to edge, 

 seeds many under the scales. (These trees probably have no 

 ornamental dwarf forms, and so are omitted.) Cuprfesus. 



It is well to remind the reader here that new forms of the entire Pine 

 family are constantly appearing, and that those mentioned below are 

 merely suggestive of the variation of forms. 



Pinus. The Pines are in almost all cases tall trees vrith an elongated 

 central trunk. The evergreen leaves are needle-shaped and clustered in 

 bundles of 2 to 5 with an inclosing sheath at their base. The fruit is a 

 woody cone with 2-winged seeds above each scale. 



There is one variety of the Swiss Mountain Pine — Pinus montina, — 



