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 a. A single sporangium, × 20.

Fig. 4 b. Capillitium of the same, × 240.

Fig. 4 c. Spores, × 450.

Physarum albescens Ellis, [p. 86.]

Fig. 5. Sporangia, × 5.

See also [Plate XVI]., Figs. 4 and 4 a.

Fig. 5 a. Spore of the same species, × 450.

Fig. 5 b. Capillitium of the same, × 240.

Physarum serpula Morg., [p. 49.]

Fig. 6. Plasmodiocarps, about natural size.