452 Agricultural Experiment Station, Ithaca, N. Y. 



Zabkiskie, J. L. A Cateri^illar Fiiugus from New Zealand and 

 some related Species from the United States. Jour. IST, Y. Micros. 

 Soc, Apr., 1885, Yol. I., pp. 89-94, figs. 1-6. 



ZoPF. ' Die Pilze, p, 459. 



EXPLANATION OF PLATES. 



Cordyceps clavulata. Plates I and II. 



1. Hyplial bodies from Lecanium on Maple. 



2. Hyphal bodies in agar after three days. 



3. Hyphal bodies germinating in the body of a coccid. 



4. Hyphal bodies from Lecanium fletcheri. 



5. Hyphal bodies from Z. fletcheri in agar after one day. 



6. Mycelium from Fig. 5, after live days. 



7. Mycelinm from Fig, 5, after two days. 



8. Hyphal bodies from Lecanium on Maple after two days. 



9. Threads and sterigmata bearing conidia from cultures. 



10. Threads and sterigmata bearing conidia from coccid. 



11. Asci of perfect form, 



12. Spores of perfect form. 



13. Germination of ascospores in agar after two days. 



14. Longisection of head of perfect stage. 



Isaria vexans n. sjd. Plate III. 



15. Threads anastomosing after one week. 



16. The first conidia, four days. 



17. Germination of conidia in agar, one day. 



18. Cylindrical spores in the agar, two days. 



19. The same as Fig. 16. 



20. Heads of conidia after one week. 



Cordyceps mHita7'is var. Plate III. 



21. Ascus. 



22. Single spore and segiments. Plate III. 



Isaria densa. 



23. Germination of conidia in agar, two days. 



24. Germination of conidia in agar, three days. 



25. Threads after four days; 



26. 27 and 28. Sterigmata and conidia after two weeks. 



29, Swollen threads after six days. 



30. The same as Fiij. 27, 



