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COMPARATIVE MORPHOLOGY OF FUNGI 





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Fig. 64. — Thamnidumelegans. 1. Habit, a, terminal sporangium ; c, the sporangioles. 

 2. Same, more enlarged. 3. Smaller sporangiophore bearing few-spored sporangioles, c; 

 ra, portion of hypha. 4. Sporangioles. Chaetostylum Fresenii. 5. Sporangiophore with 

 terminal sporangium, a, and sporangioles, c; borne on branches which either terminate in 

 a sporangium, b, or are sterile. 6. Sporangiophore producing only sporangioles, c; tips of 

 main axis and branches are sterile. 7. Germination of sporangiole, a; leaving the sporan- 

 gium, b; formation of germ tube, c; empty spore wall, d. Chaetocladium Jonesii. 8. 

 Germination of sporangia with single spores a to d. Chaetocladium Brefeldii. 9. Conidio- 

 phore with conidia, the tips of the branches sterile. 10. Germination of conidia. (1 X 6; 

 2, 5, 6 X 120; 3, 4 X 200; 7, 8 X 300; 9, 10 X 450; after Brefeld.) 



