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ose, minutely spinulose, 12.5 mu. This is the largest species of the genus as represented in this country, the plasmodiocarps of various lengths and from .5-.7 mu wide. Somewhat resembling some species of _Ophiotheca_, but of much darker color. The outer peridium is deciduous, and the inner slowly ruptures, by irregular fissures discharging the spores. The plasmodium, according to Schrader, is white. Rare. Probably overlooked. Any good reason for changing the name given to this form so well illustrated and described by Schrader does not appear. Persoon quotes his predecessor's species and adds _L. flexuosa_ on his own account; strangely enough, since Schrader expressly describes _L. variabilis_, "in uno eodemque enim loco peridium hemisphericum, ovatum, oblongum _flexuosum_ vel aliter formatum diversi est diametri." New York, Pennsylvania, Ohio, Iowa. _Licea flexuosa_ Pers. is by Schweinitz reported from Pennsylvania. It is described as having brown spores, 10-15 mu, spinulose. 2. LICEA BIFORIS _Morgan._ PLATE XII., Fig. 10. 1893. _Licea biforis_ Morgan, _Jour. Cin. Soc._, p. 5. Sporangia regular, compressed, sessile on a narrow base, gregarious; the wall firm, thin, smooth, yellow brown in color and nearly opaque, with minute, scattered granules on the inner surface, at maturity opening into two equal parts, which remain persistent by the base; spores yellow-brown in mass, globose or oval, even, 9-12 u. Minute but perfectly regular, almost uniform, corneous-looking sporangia are thickly strewn over the inner surface of decaying bark. Each, at first elongate, pointed at each end, opens at length by fissure along the upper side setting free the minute yellowish spores. Unlike anything else; reminding one, at first sight, of some species of _Glonium_. Inside bark of _Liriodendron_. Ohio, Canada. 3. LICEA MINIMA _Fries_. 1829. _Licea minima_ Fries, _Syst. Myc._, III., p. 199. Sporangia gregarious, umber-brown, spherical or hemispherical, sessile; the peridium opaque, brown, opening along prefigured lines, forming segments with dotted margins, ultimately widely reflexed; spores in mass dark brown, by transmitted light paler with olive tints, minutely roughened, 10-11 mu. The very minute sporangia, 3 mm., of this species cause it to be overlooked generally by collectors. Nevertheless, it may be found on decaying soft woods, in August, probably around the world. The number of sporan
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