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. Tip of the columella with its branches, × 50.

Comatricha longa Peck, [p. 175.]

Fig. 2. A single empty sporangium, × 6.

Fig. 2 a. A part of the same taken near the apex, × 60.

Fig. 2 b. A spore, × 1400.

Comatricha aequalis Peck, [p. 180.]

Fig. 3. A single sporangium, × 10.

Fig. 3 a. The columella and capillitium, × 60.

Fig. 3 b. A single spore, × 1600.

Figs. 3 c and 3 d. Sporangia to which the peridium still adheres, although in 3 c in shreds.