southern variety, however, often splits straight.

[Illustration: Horse-chestnut.

Sugar-maple.

Alder.

Ink impressions of leaves.]

[Illustration: Balsam-Fir.

Spruce.

Hemlock.]

[Illustration: White oak.

Linden.

Ink impressions of leaves.]

[Illustration: Pitch-pine and cone.

Sycamore leaf and fruit of sycamore.

(The buttonball.)]


=Pine=