The North American Slime-Moulds / A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species

by Thomas H. Macbride

Fig. 4. Sporangia; the first exhibiting the two peridial walls and the spore-mass, × 10.

Fig. 4 a. Spore, × 750.

Fig. 4 b. Capillitial threads, × 750.

Diderma globosum Pers., [p. 134.]

Fig. 5. Sporangia; the first with the outer peridium broken away, × 10.

Fig. 5 a. A single spore, × 750.

Mucilago spongiosa (Leyss.) Morg., [p. 114.]

Fig. 6. An æthalium, borne on a grass-stem, natural size.

Fig. 6 a. A spore, × 750.

Fig. 6 b. Capillitium, with surface calcareous crystals, × 750.