AND LIFE-HISTORY OF ENTYLOMA RANUNCULI. 
185 
Fig. 21. Mature resting-spore. The contents are more finely granular and translucent; 
a portion of its mycelium is still attached. (Zeiss, J.) 
Fig. 22. A resting-spore commencing to germinate. (Zeiss, E.) 
Fig. 23. Germination of the conidium of Entyloma ranunculi. After lying twenty- 
four hours in water it swelled up slightly and presented the appearance 
drawn at a ; six hours later, i.e. at two p.m., it had commenced to germinate 
(b); c, the same conidium at ten p.m. ; d, at nine a.m. next day ; the secondary 
conidium is now commencing to germinate. At two p.m. the stage e was 
reached, and soon afterwards (/) the growth had ceased, the two little 
germinal tubes having taken all the protoplasm. (Zeiss, E.) 
Fig. 24. Conidia germinating in water on glass as before. The empty conidia and 
other parts decay and disappear, and the still living portions are thus com¬ 
pletely isolated. (Zeiss, E.) 
Fig. 25. Two germinating conidia which have copulated. This is a very common 
event where they lie close together. (Zeiss, E.) 
Fig. 26. Conidia germinating in drops of water on the leaf. The secondary conidia 
are not formed, as a rule, and the germinating liyphse are stronger and 
branch more. (Zeiss, E.) 
PLATE 13. 
Fig. 27. Similar preparation. (Zeiss, E.) 
Fig. 28. Conidia attached to branched conidiophore (below), which had been allowed 
to grow out in water; and a germinating conidium ; both more highly 
magnified. (Zeiss, J.) 
Fig. 29. Portion of epidermis of R. Ficaria with conidia of E. ranunculi germinating 
on it. Germinal hyphse are entering the orifices of the stomata ; two pieces 
of germinal hyphse (?) are lying on the epidermis cells. Inside the latter are 
nuclei and plastidia. (Zeiss, E.) 
Fig. 30. Portion of mycelium allowed to grow out into water ; the protoplasm aggre¬ 
gates in certain cells and branches, and the septa are very distinct in the 
empty branches. (Zeiss, E.) 
Fig. 31. Stoma with two germinal hyphse entering its orifice ; seen from within. The 
spores are visible through the epidermis. (Zeiss, E.) 
Fig. 32. Stoma seen from within. On its walls are thin branched hyphse of unknown 
origin, but which may possibly be isolated pieces of germinal tube. (Zeiss, E.) 
9 
B 
M DCCCLXXXVII. — B. 
