CERTAIN SPECIES OF Mucor 313 
Explanation of plates 17-20 
PLATE 17 
kinds of branching, 
ucor sepsis cope Povah. 1 
about natural s 2. Upper portion: or iietunwlonihars pS heeae branch detail, 
3 "bowe portion of sporangiophore, 170 mellae, X350. 5. 
Saorea: X350. 6. Chlamydospores from within eben: 75- 
Mucor aromaticus Povah. 7. Columellae, X170. 8. Swollen branched apex of 
Bei estat: x75 . Almost mature sporangium, X170. 10. Spores, X170. 
1. Sporangiophores ie three fourths natural size 
PLATE 18 
Mucor ate Ste Povah. 1. Spor. rangiophores about one half natural size. 
2. Portion of sporangiophore showing detail of branching, X17o. 3. Latera 
sporangium, es posta : 17 5. Spo ae 
ACen, X 3. 7. Portion of spor- 
X75. 
‘or eco jitactoks Pova 
ranch, X170. 8. Apex of sporangiophore, 
angiophore showing insertion a b 
9- etal hy X170. 10. Spores, X350 
PLATE I9 
. Sporangiophore, about one half natural size. 
"Mucor coprophilus Povah. 
4. Spores from 
Columellae, 170. 3. pee deciduous sporangium, 350. 
5. oe s from large terminal Same 350. 
, 7. Formation of gametes, X75. 8. Union of 
10. Mature zygospore, 170. 
z: 
small poeetigg sporangia, X350. 
ucor tite, Schostak 
Sia X75. . Immature zygospore, X75. 
PLATE 20 
ucor varians Povah. 1. Sporangiophores, X2. 2. Columellae, X350. 3. 
Spores, X350. 4. Apex of sporangiophore, X75. 5. Proliferation of sporangio- 
X75 
phore, X75. 6. Proliferation of columella, 
Mucor hiemalis Wehmer. 7. REE , X 2. 8. Portion of sporangio- 
Phore with branch insertion, 350. 9. Columellae, 350. 10. Spores, 350. 
