a ey eek iy ee ee 
1896] THE PHALLOIDEAZ OF THE UNITED STATES 387 
DicTYOPHORA DUPLICATA (Bosc) Ed. Fischer. 
Phallus duplicatus Bosc, Magaz. des Gesellsch. naturf. Freunde zu Berlin 5 : 86. 7. 
O97 ASI. 
Hymenophallus duplicatus Nees, System der Pilze u. Schwaimme. 1817. 
Hymenophallus togatus Kalchbrenner, Gasteromycetes novi v. minus cogniti 6. £7, 
1, 1884. Cf Rau, A new Phallus, Bor. Gaz. 8:223. f/. g. 183. Farlow, Bor. Gaz. 
8: 258. 1883. 
Phallus (Hymenophallus) demonum Rumph. Morgan, Jour. Cincinnati Soc. Nat. 
Hist. 11: 145. 1889. Cf Tight, Bull. Sci. Lab. Denison Univ. 8?: 7. f/. 
Dictyophora duplicata (Bosc) Ed. Fischer, Saccardo’s Syll. Fung. 7:6. 1888 
Dictyophora phalloidea Desvaux, var. Dictyophora duplicata (Bosc) Ed. Fischer, 
Untersuch, Phalloideen 83. 1890. 
Stipe cylindrical, tapering at each end, hollow, white, wall 
thick, with several layers of chambers; pileus campanulate, 
with surface sculptured with strong reticulating ridges and crests, 
Which pass into the recurved border or collar formed by the 
union of the apex of the stipe with the pileus ; veil reticulate, vari- 
able in length, but reaching down, usually, about half way from 
the apex of the stipe to its base. Meshes of the veil become 
smaller towards the lower border and the bars wider, so that the 
border is almost membranaceous. Apex of the plant with a 
large collar (truncate) and perforate, or more acute. Gleba 
dark green, with an extremely fetid odor. 
Growing on the ground about buildings and about stumps in 
fields and thickets. Plant 6 to 9™ high (15 to 24™); stipe I to 
rye thick (2% to ae) pileus gin high (so), This is a fre- 
quent species in the eastern United States and is reported from 
Ohio by Morgan, and specimens from Iowa have been contrib- 
= by Professor Fink. It has sometimes been confused by 
_<rlcan botanists with the tropical D. demonum (Rumph.) and 
* frequently met with in collectors’ lists under that name. The 
affinities of D. demonum (Rumph.) seem to be rather with D. 
pMalloidea var. typica Fd. Fischer than with D. duplicata. 
: od. Fischer has regarded D. phalloidea Desvaux as a compre- 
ae Species including four subspecies or varieties, of which 
ss Praia 5 one: - This seems:to be too sweeping a combina- 
ty) bay, cs : : 
n. A. Moller’s* excellent photographs of D. phalloidea vat 
* Brasilische Pilzblumen, Jena, 1895. 
