GENUS I.—PHAL´LUS Mich.
Stem hollow within, the wall composed of several layers of round-celled tissue. Pileus attached only to the apex of the stipe, dependent free all around below, the gleba occupying its outer surface. Morgan.
The following synoptical tables will exhibit the prominent distinctive features of the species of Phallus of this state (New York) and the United States, so far as I am able to get them from the published descriptions and the specimens at my command.
NEW YORK SPECIES OF PHALLUS.
| Denuded pileus reticulate with coarse deep pits or cells | |
| Veil exposed, reticulate with small perforations | P. Dæmonum Rumph. |
| Veil none | P. impudicus L. |
| Denuded pileus porous, veil not perforate, concealed | P. Ravenelii B. and C. |
UNITED STATES SPECIES OF PHALLUS.
| Denuded pileus reticulate with coarse deep pits or cells. | |
| Veil exposed. | |
| Large and reticulate with large perforations. | P. indusiatus Vent. |
| Smaller and reticulate with small perforations. | P. Dæmonum Rumph. |
| Smaller and plicate. | P. duplicatus Bosc. |
| Veil none. | P. impudicus L. |
| Denuded pileus even or merely porous. | |
| Veil short, concealed beneath the pileus. | P. Ravenelii B. and C. |
| Veil none. | P. rubicundus Bosc. |
| Peck, 32d Rep. N.Y. State Bot. |
I.—Hymenophal´lus.
An indusium or veil surrounding the stipe and dependent from its apex beneath the pileus.
a. Veil reticulate, hanging below the pileus.