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. 1 b. Spores, × 900.

Fig. 1 c. Portion of the capillitium, × 150.

Didymium nigripes Fr., [p. 123.]

Fig. 2. Sporangia, × 30.

Fig. 2 a. A spore, × 1400.

Fig. 2 b. Calcareous crystals from the peridial wall, × 750.

Didymium melanospermum (Pers.) Macbr., [p. 121.]

Fig. 3. Sporangia, × 10.

Fig. 3 a. A single spore, × about 1000.

Diderma testaceum (Schrad.) Pers., [p. 137.]