ngi (_Polyporei_).

1. Pores readily separating from cap, spores
whitish or brownish, Boletus.

2. Stems strictly lateral, pores in the form
of tubes, mouths are separate from
each other (growing on wood), Fistulina.

3. Tubes not separable from each other,
round, angular, or torn, fleshy,
leathery or woody, Polyporus.

(Key to species of Boleti may be found in Professor Peck's work on
Boleti.)

Class III. Key to Spine-bearing Fungi (_Hydnei_).

1. Spines awl-shaped, distinct at base, Hydnum.
Spines awl-shaped, equal; plant gelatinous,
tremulous, Tremellodon.

Class IV. Key to Smooth Surface Fungi (_Thelephorei_).

1. Spores white, on ground, fleshy, tubiform,
cap blackish, scaly, stem hollow, Craterellus
Cornucopioides.

2. Coriaceous or woody, somewhat zoned,
entire, definite in form, Stereum.

SECTION B.

Class I. Key to Clavariei.

1. Fleshy, branched or simple, without distinct stem,
growing on the ground, Clavaria.

2. Growing on trunks, yellowish, becoming dark, much
branched, tense and straight, C. stricta.

3. Yellow, stuffed, clubs simple or forked, of the
same color, C. inequalis.

4. Color changeable, becoming dark, light yellow,
then reddish, simple, fleshy, stuffed, obovate,
clavate, obtuse, C. pistillaris.

DIVISION II.

Key to Gasteromycetes and Ascomycetes.

Section A. Fungi that have the spores inside the cap. (Stomach fungi or
Gasteromycetes.)

Section B. Fungi that have the spores in delicate sacs. (Spore sac fungi
or Ascomycetes.)

SECTION A.

1. Fungi covered with a hard rind, Scleroderma.

2. In which the spores when ripe turn to dust, 4.
Where spores are at first closed in a cup-like sac
that resembles a bird's-nest, 3.

3. Fungi with the outside covering bowl-shaped Crucibulum,
of one cottony layer, the Crucible.
Outside covering tubular, trumpet-shaped, Cyathus,
of 3 layers,