Fig. 5 b. A single elater-tip of the same, × 1400.

Trichia persimilis Karst., var abrupta Cke., [p. 271.]

Fig. 6. An elater-tip, × 1400. It will be noticed that the spirals are connected by vertical bars.

Fig. 6 a. A single spore of the same variety, × 1400.

Fig. 6 b. A single spore, from the same sporangium as 6 a.

Fig. 6 c. Trichia persimilis, a single spore, × 1400.

Fig. 6 d. Tip of an elater from the same, × 1400.

EXPLANATION OF PLATE V