VIl] 



PERONOSPORITES. 



217 



in the act of escaping from a lateral pore. This interpretation 

 strikes one as lacking in scientific caution. 



The sporangia of Hyphochytrium infestans^, as figured by 

 Fischer in Eabenhorst's work bear a close resemblance to those 

 of the fossil. It would seem very probable that Renault's 

 species may be reasonably referred to the Chytridineae, as 

 he proposes. 



Fig. 43. 1. Oochytrium Lepldodendri, Een. (After Eenault.) 2. Polyporus 

 vaporarius Fr. yar. succinea. (After Conwentz.) 3. Gladosporites bipar- 

 titus Fel. (After Felix.) 4. Haplographites cateniger Fel. (After Felix.) 



Peronosporites antiquarius W. Smith. Fig. 41, E. 



In an address to the Geologists' Association delivered by 

 Mr Carruthers in 1876 a brief reference, accompanied by a 

 small-scale drawing, is made to the discovery of a fungus in the 

 scalariform tracheids of a Lepidodendron from the English 

 Coal-Measures^ In the following year Worthington Smith 

 published a fuller account of the fungus, and proposed for 

 it the above name', which he chose on the ground of a 

 close similarity between the mycelium and reproductive 

 organs of the fossil form and recent members of the 



^ Fisclier in Eabenhorst, vol. i. (92) p. 144. 

 2 Carruthers (76) p. 22, fig. 1. 



Smith, W. G. (77) p. 499. 



