170 BOTANICAL GAZETTE 
Cunninghamella echinulata Thaxter. 
Fic. 1. Development of progametes; obj. 7. oc. 3. 
Fic. 2. Abstriction of gametes; obj. 7. oc 
Fic. 3. Young zygote in connection with seat conidiophore through 
which has lost its protoplasm and become septate; obj. 7. oc. 3. 
Fic. 4. Mature zygospore; obj. 7. oc. 3. 
Fic. 5. ““Twinned” zygotes; obj. 7. oc. 3. 
' Thamnocephalis quadrupedata, n. sp. 
Fic. 6. Hyphae of mycelium showing anastomoses; obj. 7. 0¢. 3- 
Fic. 7. Early stages of development of fructification; obj. 7. 0c. 1. 
Fic. 8. Young fructification showing basal se and formation of 
erous heads at first node of the crown; obj. 7. oc. 
_ Fic. 9. Mature fructification ‘rota which iy of the fertile bra 
spores have been shed; obj. D. oc. 2 
Fic. 10. Last fertile node of crown showing sterile terminal bi 
young sporiferous heads from which the spores have not yet developed 
Oc: 3; se 
Fic. 11. Fifth fertile node with sporiferous heads and spores; obj. | 
