HABITAT.—Prefers cold, deep swamps, or in the north coming out on the drier uplands.
NOTES.—Becomes a picturesque tree in old age. Should be transplanted while dormant.
SUMMER KEY TO THE SPECIES OF PICEA
| a. | Leaves 3/4-1 inch long, sharp-pointed; twigs glabrous. | ||
| b. | Cones 1-2 inches long, maturing in first season; leaves ill-scentedwhen bruised. | P. canadensis, p. [21]. | |
| bb. | Cones 3-6 inches long, maturing in second season; leavesnot ill-scented when bruised. | P. abies, p. [25]. | |
| aa. | Leaves 1/8-3/8 inch long, blunt-pointed; twigs rusty-pubescent. | P. mariana, p. [23]. | |
WINTER KEY TO THE SPECIES OF PICEA
| a. | Leaves 3/4-1 inch long, sharp-pointed; twigs glabrous. | ||
| b. | Cones 1-2 inches long, maturing in first season; leaves ill-scentedwhen bruised. | P. canadensis, p. [21]. | |
| bb. | Cones 3-6 inches long, maturing in second season; leavesnot ill-scented when bruised. | P. abies, p. [25]. | |
| aa. | Leaves 1/8-3/8 inch long, blunt-pointed; twigs rusty-pubescent. | P. mariana, p. [23]. | |