Fig. 5. Sporangia, two expanded, one still closed, × 20.

Fig. 5 a. A part of the capillitium of the same species, × 750.

Arcyria nutans (Bull.) Grev., [p. 249.]

Fig. 6. Expanded capillitium, etc., × 10.

Fig. 6 a. Capillitium, × 750.

Fig. 6 b. A piece of the capillitium thread, × 1400.

Ophiotheca wrightii Berk. & C., [p. 241.]

Fig. 7. A single sporangium, × 8.

Fig. 7 a. A node of the capillitial thread, × 750.

Fig. 7 b. A spore, × 750.