322 Scientific Intelligence. 



correspondent of her husband is Dr. Jacob Bigelow, who on the 

 27th of February attained the age of 90. a. g. 



5. Joseph de JVotaris, the distinguished Italian Bryolo 



was bom on the 5th of May, 1 si.)5. and who was lately transferred 

 from the chair of botany in the University of Genoa, to that at 

 Rome, died on the 22d of January last. a. g. 



6. Recent Papers on Fungi.— The following are articles of in- 

 terest, which have recently appeared : 



(1.) Reproduction des Ascomycetes, par M. Max Cobnu — 

 Annales des Sciences Naturelles, 6 e Serie. Tome iii. 



(2.) Beitra ■ z i,' IC.,„t„:,, ,!.,- /y „;./.„ i ; von Dr. Hermann 

 Bai kb.— In the two papers by Cornu and Bauke, an attempt has 

 been made to discover the nature of the organs known as q 



•-. and pycnidia. The two last name! <.i-«- : uis. >in tin 

 :•■, ■ = t \ - \ , 



to be secondary forms of species of Ascomycetes. Certain cases, 

 however, seemed to point to the conclusion that some pycnidia 



: different spores, 

 tion of Tulasne's views. The observations of Cornu have 

 extended over several years ; and, in regard to the spermatia, he 

 comes to the conclusion that they cannot be considered male or- 

 gans. He has observed that they germinate, and thinks that they 

 must be regarded as a form of stylospore. Although contrary to 

 the view generally maintained as to the nature of sperm 

 to the views expressed by Stahl in the Bot. Zeitung, Mar. 20, 1 874, 

 Cormi's view coincides with what has recently be°en published in 

 the bot. Zeitung and Comptes Rendus with regard to the sup- 

 posed spermatia of species of Coprinus by Brefeld and Von Tie- 

 gnem. The reason why the germination of spermatia has not been 

 seen until recent - . ■ , ,1 by Cornu by the fact that most 

 cultures of spermatia have been made with pure water, whereas 

 the presence of some special nutritive fluid, as solution of gum, 

 j . Cornu was led to this conclu- 

 '. when sown on a glass slide, under a cover- 

 glass, the spermatia germinated more readilv on the side next the 

 gummed label. J 



(3.) Ueber den Gitterrost der Birnbaume und seine BeMmpf- 



■ G < K un .. : An fofa :■ Bting paper in the Schweiz- 



ensch f »■» ." disease of pear trees, 



caused by / j,,. Kramer agrees 



m Lmby 



occurring on Juniperm sabina, L. w. g. f. 



7. Destruction „f F„;-«f T,;<,< } H/ Mistletoe : by K S. Ceozieb. 



(from letter to Kdiu.r* dated Loui.vil!,, Ky' March 9, 1877.)- 



i +\- m6 ?? a 5 U }* t] ? toe (PI'orad* > rv common 



: rant factor 



in the forest culture of regions favorable to its growth. It grows 



upon the branches of the elm and black walnut ; and 



eh an extent that large forests of the latter 



