44—STROBILOMYCES STROBILACEUS. 
Pileus blackish umber, tough, broken into large, thick, squarrose-squamose 
scales, the margin appendiculate with scales and fragments of the veil. Flesh 
whitish, changing to sienna-red then black when cut or bruised. Pores white, be¬ 
coming brown or blackish by age, large, angular, adnate to the stem or sometimes 
depressed, changing color when cut the same as the flesh. Stem equal, solid, floc- 
cose-tomentose, brown below lighter above. Spores subglobose, rough, 7-10 me. 
This seems to be a frequent plant over wide territory. It is more common with us than 
in Europe. It is known as the “Black Boletus.” Many authors (including Fries) place the 
genus Strobilomyces with the genus Boletus. It differs in having pores that are not easily 
separable from the pileus, besides its general habits and globose rough spores. Two forms, one 
with the tubes equal, the other with tubes shortened near the stem are found in this country, 
differing in no other respect. The latter form is the more frequent with us and is the one pho¬ 
tographed. It has often been referred to Strobilomyces floccopus, a species described with a 
thick veil appendiculate as a ring on the stem. We would not consider our American forms 
sufficiently distinct to merit different names. To those who have our sets of photographs it is 
needless to describe the plant. The photograph tells the whole story. 
45—COLLYBIA RADICATA. 
Pileus convex, then expanded, frequently somewhat gibbous, thin, glabrous, 
generally rugose, usually slightly viscid, sometimes exceedingly glutinous. Flesh 
white, Gills distant, broad, shining white, firm, adnexed and usually very slightly 
decurrent. Stipe long, rigid, slender, stuffed, at length striate, smooth or furfura- 
ceous, always penetrating deep into the ground with a long tapering root. Spores 
large, elliptical, obliquely apiculate at the base, 15-17 me. 
Were I to be asked what is the most common agaric around Cincinnati I would state 
this plant. From the middle of May, when it first appears, till late in the fall, we seldom go 
into the woods without meeting it. It varies in size from a little pileus 2 cm, across tip to 15 
cm, and grows from 5 cm. to 25 cm, high. Its usual size is pileus 6-8 cm. In color in early sea¬ 
son, it is usually pure white, but later brown or dark brown ; occasionally we meet a specimen 
pure yellow. It abo varies much in viscidity, usually very slightly viscid, scarcely noticeable, 
at other times we meet plants very glutinous. Notwithstanding its variations we soon learn to 
identify it at sight by the gills, which once known, are always recognizable, to say nothing of 
the long, tapering root. (See. young plant lying down in photograph.) W e do not recall another 
agaric with such large spoi-es (15-17 me.) Our picture represents a cluster of plants as found 
in the woods. The plant however is more commonly solitary. 
46— A NEW ILLUSTRATED WORK ON MUSHROOMS. 
We have just received from Wm. Knox, of Cleveland, 
O., Part 1 of “Sketch Book of the Mycological Society of 
Cleveland, O.” We are glad to welcome all efforts in this 
line. Part 1 contains plates of the following species:—Psal- 
liota arvensis, Coprinus atramentarius, Pleurotus ostreatus, 
Coprinus micaceus, Lepiota naucinus, Marasmius oreades, 
Russula virescens and Lepiota procera. 
The original intention of the author was to issue these 
plates solely for the use of the members of the Mycological 
Society of Cleveland, O., but we have suggested to the author, 
and it has been adopted that plates of this kind would be of 
great service to all students throughout the country, and that 
it issued at a reasonable price, would probably have a wide 
circulation. Mr. Knox says that he will send the parts on 
receipt of 50 cents per part, consisting of eight plates and 
we would say they will be cheap indeed at that price. 
d he artistic part of the work we consider very good in¬ 
deed. The drawings are quite characteristic of the species 
20 
