210 
Mycologia 
Explanation of Plates CXXXV and CXXXVI 
Plate 133. Peronospora Lepidii and P. Chamaesycis 
Figs. 1 — 1 o. Peronospora Lepidii. (Figs. 1-7 on Lepidium virginicum 
from Kentucky — N. Am. Fungi 1406b. — Figs. 8-19 on L. ruderale, from 
Victoria, Australia.) 
Figs. 1—5. Conidiophores of the American specimens. 
Fig. 6. Two conidia from the same specimen. 
Fig. 7. Group of oospores from the same specimen. 
Figs. 8, 9. Conidiophores of the Australian specimen. 
Fig. 10. Two conidia from the same specimen. 
Figs. 11-13. Peronospora Chamaesycis. (On Cliamaesyce serpens from 
Kansas — Fungi Columb. 1750.) 
Fig. 11. Conidiophore. 
Fig. 12. Group of conidia. 
Fig. 13. Two oospores. 
Plate 136. Peronospora on Saxifragaceae 
Figs. 14, 15. Peronospora Chrysosplenii. (On Chrysosplenium alterni- 
folia from Bohemia. — Sydow Phyc. Prot. 202.) 
Fig. 14. Conidiophores. 
Fig. 15. Conidia. 
Figs. 16, 17. Peronospora Saxifragae. (On Sccxifraga granulata from 
Bohemia. — Sydow Phyc. Prot. 220.) 
Fig. 16. Conidiophore. 
Fig. 17. Conidia. 
Figs. 18-22. Peronospora minima. (On Saxifraga cernua from Norway.) 
Figs. iS'-ao. Conidiophores. 
Fig. 21. Group of conidia. 
Fig. 22. Two oospores. 
New Jersey Agricultural Experiment Station, 
New Brunswick, New Jersey. 
