EXPLANATION OF PLATE IX 



Physarum didcniundcs (Ach.) Ros!:., p. 40. 



Fig. i. Sporangia, x 15. 



Fig. i a. A single sporangium open; shows calcareous capillitium, >: 15. 



Fig. i b. Spores, x 900. 



Physarum nefroideum Rost., p. 41. 



Fig. 2. A cluster of sporangia, >: 15. 

 Fig. 2 a. A single sporangium open, >: 15. 

 Fig. 2/>. Spores, x 900. 



See also Plate XV., Figs. 2, 2 a. 



Physarjtm context tun Pens., p. 31. 



Fig. 3. A group of sporangia, >: 15. 

 Fig. 3<7. Spores of the same, x 600. 



Physarum cincrcuin (Batsch) Pens., p. 34. 



Fig. 4. A group of sporangia, x 4. 



Fig. 4 a. A single sporangium, x 20. 



I'"i-. 4/;. Capillitium of the same, X 240. 



Fig. 4. Spores, x 450. 



Physarum 1'ircscens, var. nitons List., p. 34. 



Fig. 5. Sporangia. X 5. 



Fig. 5^7. Spore of the same species, x 450. 



Fig. 5 b. Capillitium of the same, x 240. 



Physarum serpula Morg., p. 29. 



Fig. 6. Plasmodiocarps, about natural size. 



Fig. 6 a. A bit of the plasmodiocarp, showing structure, X 6. 



Fig. 6b. A spore of the same species, x 1400. 



Physarum Iciicopus Link., p. 48. 



Fig. 7. A single sporangium, x 15. 



Fig. 7 a. A spore of the same species, x 900. 



Fig. 7 b. A fragment of the capillitium. 



250 



