486 
POPULAR SCIENCE REVIEW. 
for the large illustrated work by Corda, entitled “ leones Fun- 
gorum/-’ or the more recent volumes by Tulasne (Selecta 
Fungorum Carpologia), and examine the figures of micro- 
scopic fungi in either of those works,, and decide for them- 
selves. 
EXPLANATION OF PLATE. 
Fig. 1. Conceptacle of Hop mildew ( Sphcerotheca Gastagnei ), magnified. 
„ 2. Conceptacle of Rose mildew {Sphcerotheca pannosa). 
„ 3. Sporangium of the same. 
„ 4. Conceptacle of Hazel mildew {Phyllactinia guttata). 
„ 5. Sporangium of the same. 
„ 6. Leaf of white willow infected with the Willow mildew ( Vncinula 
aclunca ). 
„ 7. Conceptacle of Willow mildew ( XJncinula aclunca). 
„ 8. Extremity of one of the appendages, further magnified. 
„ 9. Sporangium of the same. 
„ 10. Conceptacle of Maple mildew {XJncinula bicornis). 
„ 11 & 12. Extremities of two of its appendages, further magnified. 
„ 13. Sporangium of the same. 
„ 14. Leaf of Berberry affected with the Berberry mildew ( Microsphcera 
berberidis). 
„ 15. Conceptacle of Berberry mildew. 
„ 16. Tip of one of the appendages. 
„ 17. Sporangium of same. 
„ 18. Tip of appendage of a Continental species (Microsphccria Ehrenbergii). 
„ 19. Tip of appendage of Alder blight {Microsplmria penicillata var. 
Alni). 
„ 20. Piece of grass-leaf mildewed with Oiclium monilioides. 
„ 21. Tuft of conidia of Oidium monilioides. 
„ 22. Leaf of garden Pea, with Pea-mildew {Erysiphe Martii , Lev.). 
„ 23. Conceptacle of Pea-mildew. 
„ 24. Sporangium of the same. 
„ 25. Conceptacle of common mildew {Erysiplie communis) from leaf of 
Buttercup. 
„ 26. Sporangium of the same. 
' „ 27. Sucker on the mycelium of Erysiphe communis. 
„ 28. Piece of straw with bristle-mould {Chcdomium datum), natural size. 
„ 29. Conceptacle slightly magnified. 
„ 30. Section of same, further magnified. 
„ 31. Conceptacle of paper bristle-mould {Chcetomium chartarum) mag- 
nified. 
„ 32. Sporidiuin of the same. 
„ 33. Conceptacle of paper mildew {Ascotricha chartarum), magnified. 
„ 34. Portion of thread of same, with conidia. 
„ 35. Ascus, or sporangium, and sporidia. „ 
„ 36. Dead leaf overrun with the herbarium mildew {Eurotium herba- 
riorum). 
„ 37. Conceptacles of the same, seated on their mycelium. 
