184 A Monogmi^ of the Myxogastres. 



all Trichias, sporangia will be found in which the elaters are 

 branched or distorted, or have a tendency to bulbous expansions 

 near the ends or in their course, but these are abnormal and 

 exceptional. The specimens distributed under this number 

 (2495) were collected in August 1889, with a few exceptions. 

 The unusually wet season had the effect of rendering many of 

 them much darker in colour than is indicated in the foregoing 

 specific diagnosis, which was drawn from types developed and 

 collected under the most favourable conditions. (Rex.) 



Trichia mhfusca, Rex, Proc. Acad. Sci. Phil., 1890, p. 192. 



Uxsicc. — Ellis and Everh., N. Amer. Fung., n. 2495. 



Trichia reniformis, Peck. 



Sporangia gregarious or clustered, sessile, subgiobose or reni- 

 form, small, brown ; flocci few, short, sparingly branched ; spores 

 globose, minutely echinulate, yellow-ochre, sometimes tinged 

 with green, -0005 in. in diameter ( = 12 — 13 //). 



Peck, 26th Report of the State Museum, New York, p. 76 ; 

 Sacc, SylL, no. 1510; Mass., Rev. Trich., p. 337. 



United States. 



I am not acquainted with the present species, and the inform- 

 ation given by Peck is too scanty to insure future identification. 



§ § Sjnrals sjmmlose. 

 Trichia erecta, Rex. 



Sporangia stipitate, usually simple, occasionally double or 

 triple and very rarely fasciculate, with a cluster of 6 — 8 on a 

 single stipe. Single sporangia globose or globose-turbinate 

 ^ — § of a mm. in the transverse diameter. 



Colour of sporangia a dark nut-brown, which is uniform 

 below, but checkered or broken above into irregular patches 

 with broad septa of a bright yellow colour. 



Stipes about 1 mm. in height, rough or granular on the 

 surface, quite thick and equal throughout their length, and 

 dark brown in colour. Spores and capillitium concolourous, 

 being a bright yellow colour in mass. 



