Fig. 8 b. A single spore, × 1000.

EXPLANATION OF PLATE II

Perichaena corticalis (Batsch) Rost., [p. 243.]

Fig. 1. Sporangia, × 10.

Fig. 1 a. A single spore, as if in section, × 900.

Fig. 1 b. The capillitial thread, × 750.

Lachnobolus occidentalis Macbr., [p. 246.]

Fig. 2. The sporangia, × 8.