Lycogala epidendrum (L) Fr. 



Porto Rioo.— On dead cane stalk, Rio Piedras, Feb., 1914, 1319. 

 Also collected on dead bamboo sections and dead wood. Globose, 

 ashen-colored, sessile fruiting bodies, resembling small puff-balls, .5-1 

 em. diameter. (PI. XXIII, fig. 5.) 



Physarum cinereum (Batsch) Pers. 



Porto Rioo. — On living leaves, Manati, Wolcott, Feb., 1915, 2592. 

 Also collected on living leaves of Phaseolus vulgaris. Lachica Sativa, 

 and several common weeds. Determination by Dr. Sturgis. 



Physarum compressum Alb. & Schw. 



Porto Rico. — On dead leaves, Cortada, Jan., 1912, 1166. Rare 

 Determination by Dr. Sturgis. 



Physarum nodudosum (Cooke et Balf.) Mass. | 



Porto Rico. — On green leaf-sheaths of cane, Rio Piedras, Jan., i 



1914, 1177. Determination by Mr. F. W. Patterson. 



Stemonitis fusca Roth. 



Porto Rioo. — On cane trash, Rio Piedras, Nov., 1915, 4115. De- 

 termination by Mrs. F. W. Patterson. 



Stemonitis splendens Rost. 



Porto Rico. — On cane trash. Rio Piedras, Sept., 1912, 4618. Feb.. 



1915, 2574. Also common on rotten wood. Original determination 

 by Dr. Sturgis. 



EuROTiuM argentinum Spcg. 



Porto Rico. — On dead cane leaves and stalks, Rio Piedras, Nov., 

 1915, 3245. Observed especially on herbarium specimens. It forms 

 very numerous, minute, yellow, globular fruiting bodies. An Asper- 

 gillis sp. with dull gray heads occurs in connection with \\\eEurotium. 



Chromocrea gelatinosa (Tode) Senver. 



PoRT.o Rioo. — On dead and dying leaf-sheaths of sugar cane, Rio 

 Piedras, Jan., 1913, 4751, Jan., 1914, 1171, Feb., 1914, 1409, Feb.. 

 1917, 6380. (PI. XXVII, fig. 8-10.) 



This species produces fleshy. l)right yellow stromata on the h\if- 

 slieaths, becoming much darker with age. 



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