A I G 



FUl \< I 





Dospermi », II ■ 



M. Thun ■ ibes tbo antheridia, or 



" The fructification i f I lined iu little Bpberical i 



beneath the epiderm, and called conceptacle l mpletolj 



eptaclee lly at th< frond by a little 



(ostiolum) through which the reproductive bodies escapa Their i tit 

 the bain %■- 1 1 • • f i line the c mceptacles, and which all conver 

 These hairs are jointed and branched ; By which Bupport the anthi .lit 



bheir base thai the sporee are fixed. In certain sj i 

 found in the same conceptacle; in others, <>n the contrary, these twi 

 produced in different conceptacles, and on different individuals. Usually 

 ately below the mouth is found a row "f thicker hairs, which cl< 

 and Boi nd beyond it, in the form of a small spot. 



•• The antherids consist of little oval transparent Bacs, inserted in 

 en the hairs of the conceptacle. Winn they arc young, we find in them 



i 1 \ . a . 



more than a granular colouvL r : afterwards this 



bodies which form a greyish mass, Bprinkled with oran 

 antherozoids, which are so that neither foi 



The antherids of Fucus, othallia, P< ad Him 



envelope; thai is to say, the transparent sac in which 

 diately contained, is itseli d in another 



transparency. The latter remains fixed to the hair on \ 

 other is expelled through the summit of the firsl 



Fig. IX. A .—Piece of the frond of Funis platYcarpus fun 

 S. section of :i conceptacle much magnified; 3. joint) 

 of the conceptacle and bearing antherids; I. an 

 id left in it; ti. An therotoids — after Thui 



