rt of the stem, is carried
aloft, and hangs as a beautiful veil. This veil is very conspicuous in
some species and less so in others.

=Dictyophora duplicata= (Bosc.) Ed. Fischer.--This species is
illustrated in Fig. 212, made from plants collected at Ithaca. The
plants are from 15--22 cm. high, the cap about 5 cm. in diameter, and
the stem 2--3 cm. in thickness. According to Burt (Bot. Gaz. =22=: 387,
1896) it is a common species in the Eastern United States. The cap is
more or less bell-shaped and the sculptured surface is marked in a
beautiful manner with the reticulations.

[Illustration: PLATE 83, FIGURE 212.--Dictyophora duplicata. White
(natural size). Copyright.]

[Illustration: PLATE 84, FIGURE 213.--Dictyophora ravenelii. Mature
plants showing volva at base; elongated receptacle, cap at the top, and
veil surrounding the receptacle under the cap (natural size).
Copyright.]

[Illustration: FIGURE 214.--Dictyophora ravenelii. Egg stage, caps just
bursting through the volva (natural size). Copyright.]

[Illustration: FIGURE 215.--Dictyophora ravenelii. Sections of eggs, and
showing cords of mycelium (natural size). Copyright.]

=Dictyophora ravenelii= (B. & C.) Burt.--This plant also has a wide
distribution in the Eastern United States. The stem is more slender than
in the other species, _D. duplicata_, the pileus more nearly conic, and
the surface of the pileus is merely granular or minutely wrinkled after
the disappearance of the gleba, and does not present the strong
reticulating ridges and crests which that species shows. The plants are
from 10 to 18 cm. high. It grows in woods and fields about rotting wood,
and in sawdust. The veil is very thin and delicate, forming simply a
membrane, and does not possess the coarse meshes present in the veil of
_D. duplicata_. The Figs. 214, 215 represent the different stages in the
elongation of the receptacle of this plant, and the rupture of the
volva. This elongation takes place quite rapidly. While photographing
the plant as it was bursting through the volva, I had considerable
difficulty in getting a picture, since the stem elongated so rapidly
that the plant would show that it had moved perceptibly, and the picture
would be blurred.

In a woods near Ithaca a large number of these plants have appeared from
year to year in a pile of sawdust. One of the most vile smelling plants
of this family is the _Ithyphallus impudicus_.

CHAPTER XVI.

MORELS, CUP-F