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

Diderma niveum (Rost.) Macbr., [p. 137.]

Fig. 11. A group of sporangia, × 10.

Fig. 11 a. Spore and Capillitium, × 600.

Prototrichia metallica (Berk.) Mass., [p. 258.]

Fig. 12. A group of sporangia, × 10.

Fig. 12 a. Same; capillitium and spores, × 300.

Fig. 12 b. Tip of a capillitium thread to show spiral markings and end-fraying, × 800.

Comatricha aequalis Peck, [p. 180.]

Fig. 13. A group of sporangia, × 5.

Fig. 13 a. Sporangium tip, capillitium, × 200.