[ 270 ] 
Fig. 33* ^ membrane that covered the fruc- 
tification of Polypodium filix was 
feparated from the leaf, and 
fhewn as it appeared upon view- 
ing its under fide with fome of 
the feed veflels adhering to it. 
(a) The broken part where it 
had been joined to the leaf. 
34. Some of the feed veflels of the fame 
viewed feparate, 
35. The peduncle of a feed vefiel of the 
fame fupporting the ring, 
36. Part of a leaf of Adiantum capillus 
veneris, fhewing the membrane 
> which grows from its margin, 
and which folds over it to cover 
the friidlification, but had been 
unfolded for obferving the under 
fide and feed veflTels, which are 
here fliewn. 
37. Part of one of the hairs of the male 
flowers of Marchantia polymor- 
pha, with fome of the pollen, 
38. The fame compreflTed, 
48 
1280 
1280 
1280 
i 
XXIX. An 
