APPENDIX VI 



699 



Spores unequal (mixture of numerous small spores with others twice as 



large). (9) 



Spores approximately equal in size. (10) 



Sporangiophores 0.5 to 1.5 cm., straight. Sporangia 80 to 125/1 diameter, 



spores spheric or angular of diverse forms, 4 to 15/^ diameter. 18 M. heiero- 



sporus Fischer. 



Sporangiophores ordinarily 3 to 4 mm. (i cm. maximum), sporangia 70/x 



diameter as maximum. Spores oval or subcylindric 2 to 6ju by 6 to 8/x. 



Chlamydospores along the course of the sporangiferous hyphas. ig M. 



sylvaticus Hagem. 



Fig. 241. — Mucor Moelleri. Stages in zygospore formation. {After Lendner.) 



Sporangiophores i cm. Sporangia 40 to 54M, wall dehiscent. 20 M. lau- 

 sannensis Lendner. 



10. Wall of sporangium not diffluent, but breaking into pieces. (11) 

 Wall diffluent. (13) 



11. Spores spheric 7m diameter. 21 M. corymbosus Harz. 

 Spores oval. (12) 



12 Sporangiophores frecjuently unbranched, chlamydospores provided with 



very fine points; azygospore formation the normal process. 22 M. tenuis 



Bainier. 



Sporangiophores branched, chlamydospores with smooth walls, zygospores 



and azygospores. 23 M. racemosus Fresenius (Fig. 30). 

 13. Spores spheric, 3 to 3. 5m- 24 M. piisillus Lindt, 



Spores oval or elongated. (14) 



