pe of the sporangium and the peculiar regularity of
the surface net, the lateral columella, all combine here to warrant the
erection of a distinct species. Dr. Rex referred this to _S. baeuerlinii_
Mass. At that time he had not the author's description, and had seen
only a very poor fragment received with notes in a letter. Mr. Massee's
description makes it immediately evident that whatever other
affiliations _S. baeuerlinii_ may have, by description it has at least
none with _S. fenestrata_ nor with our northern form of _S. splendens_.
Massee's species is described as having the "mass of spores black", the
capillitium with "branches springing from the columella; the main
branches more and more numerous, thicker and irregular towards the apex
of the sporangium, and often form irregular flattened expansions":--etc.
This suggests some form of _S. dictyospora_ Rost.: see under our No. 5.
Possibly for such reasons Lister referred it to _S. splendens_ Rost.,
which as we have just seen, was undoubtedly regarded by the author as a
form of the _fuscous_ group.

The long, slender, simple columella is not only lateral, but occupies
indeed the sharp vertical angle of the triangular, prismatic sporangium.
Furthermore, the sporangium is at maturity strangely twisted, so that
the columella in its ascent accomplishes one or more spiral turns. In
forms collected by Dr. Rex, which seemed to him most nearly to agree
with Massee's species, the inner capillitium is somewhat abundant, but
the character of the columella just the same.

Pennsylvania, Ohio, Kansas, Colorado, Iowa; India!

11. STEMONITIS SMITHII _Macbr._

1893. _Stemonitis smithii_ Macbr., _Bull. Lab. Nat. Hist. Ia._, II.,
p. 381.
1894. _Stemonitis microspora_ List., Morg., _Jour. Cin. Soc._, p. 54.
1911. _Stemonitis ferruginea_ var. _smithii_ Lister, _Mycetozoa,
2nd ed._, p. 150.

Sporangia in small clusters, close-packed and erect, not spreading,
bright ferruginous prior to spore dispersal, cylindric, stipitate, of
varying height; stipe jet-black, shining, about one-third the total
height; hypothallus generally well developed; columella black, gradually
tapering, at length dissolving in capillitial threads and net some
distance below the diminished plumose apex; capillitium of fuscous
threads, the inner network of abundant, sparingly united branches
uniformly thickened, the surface net very delicate, composed of small,
regular, polygonal me