162 NOTICES OF NORTH AMERICAN FUNGI. 



In triincos emortuos Salicis et Betulje. 

 New York, Aug., Oct. (Peck, 391.) 



1004. Lenzites proxima. Berk. 



Pileo tenai applanato, subtiliter tomentello umbrino ; contextii 

 molli concolore ; hymenio pallido ; poris elongatis radiantibus. 

 New York, Sartwell. No. 5176. Same size as tlie last. ' 



1005. Hymenochaete Ellisii. B. Sf Cooke. 



Tenuis papjracea, a matrice separabilis, prinaum pallida, dein 

 centro cinnamomeo ; margine tenerrimo. 



On pine boards. New Jersey, U.S. (J. B. Ellis.) 



[Note. — A larger amount of space than usual has been devoted 

 to these descriptions of North American Fungi in oixler to com- 

 plete the series in tbe present volume of Grevillea, which has now 

 been accomplished. To the Rev. M. J. Berkeley our thanks are 

 due, for undertaking the large amount of labour involved in the 

 description of upwards of 1000 species, many of which have borne 

 their MSS. names for years. — Ed. Grevillea.'\ 



ON THE SPERMATIA OF THE ASCOMYCETES. 

 By M. Max. Cornu. 



(Translated from " Comptes Rendus de VAcademie des Sciences," 

 3rd April, 1876. 



The polymorphism of Fungi has hitherto been considered an 

 indisputable fact ; the magnificent works of M. Tulasne have 

 established this upon such solid bases that no one has since 

 been able to shake it. The splendid work which includes these 

 researches, extending through several years, is the " Selecta Fun- 

 gorum Carpologia." 



We see here that the Ascomycetes possess four modes of repro- 

 duction ; 1st, by the asci, containing spores, generally eight in 

 number ; 2nd, by the stylospores ; 3rd, by the spermatia ; 4th, by 

 the conidia. 



The spermatia have been regarded by M. Tulasne as fecundative 

 corpuscles ; their immense number, their small size, the presence 

 of other spores which germinate with rapidity, the facility with 

 which water dissolves the gum which unites them, and allows of 

 their separation, the necessity of a fecundatory act, evident for the 

 formation of the perithecia, have caused this hypothesis. That 

 which supported this view was principally their refusal to germin- 

 ate, under conditions where the three other sorts of spores were 

 easily developed. 



A work submitted, three years ago, to the judgment of the 



