Explanation of Plate XII. 



Lasiobolus squints (Mull.) Karst. 



Fig. i, a. vSeveral plants showing habitat, natural size. 



Fig. i, b. One plant to show spines, x 20. 



Fig. i, c. Ascus and paraphysis, x 500. 



Fig. i, d. One spine, x 590, often much longer. 



Fig. i, e. Ascus to show operculum, x 750. 



Fig. I,/. One Spore, x 1200. 



Lasiobolus raripilus (Phill. ) Sacc. 



Fig. ii, a. Group of plants, natural size. 



Fig. ii, b. One plant spines diagramatic, x 10. 



Fig. II, c. Ascus and paraphysis, x 400. 



Fig. ii, d. One spore, x 1200. 



Fig. ii, e. Hair, x 500. 



