Figure 185.—Lenzites betulina.

Betulina, from betula, a birch. This has a somewhat corky, leathery cap, firm and without zones, woolly, sessile, deeply grooved concentrically, margin of the same color.

The gills are radial, somewhat branching, and coming together again, sordid white or tan-color.

This species is wide-spread and is quite variable. It grows in the form of brackets. Figure 185 was photographed by Dr. Kellerman.

Lenzites separia. Fr.

The Chocolate Lenzites.

The pileus is corky, leathery shells, with the upper surface marked with rough zones of various shades of brown; margin yellowish.

The gills are rather thick, branched, one running into another; yellowish. Stem obsolete. Growing on limbs and branches, especially of the fir tree.