NOTICES OF NORTH AMERICAN FUNGI. 17 



524. Sporidesmium stygium. B. ^ C. — Effusum aterrimum ; 

 Bporis grossis clavatis valde compactis. 



On dead bark. Pennsylvania. Michener. 



Forming effused patches, either small or widely spread ; spores 

 large, irregular, clavate, so compact as not to shew the cells of 

 which they are composed, supported on the base by a short, slender, 

 articulated pedicel. 



525. Spozidesmium compositum. B. Sf R. — Effusum nigerri- 

 mum ; sporis compactis irregularibus subglobosis vel oblongis con- 

 catenatis. 



On damp rotting wood of Catalpa cordifolia. Santee Canal. 

 Eavenel. No. 1801. Cotoosa Springs. On oak. No. 1746. 

 Car. Sup. No. 4441. On oak. Car. Inf. No. 4032. 



"Widely effused, jet black ; spores irregular, springing from a 

 few moniliform threads, irregularly globose, or oblong concatenate ; 

 when crushed composed of minute globose cells, each with a 

 nucleus. , r^ 



ON DR. H. A. WEDDELL'S REMARKS IN 

 " GREVILLEA." 



Dr. Nylander has sent us a copy of his reply in the " Flora" to 

 the Remai'hs of Dr. Weddell in " Grevillea" ii., pp. 182-185, with 

 a request that it should be translated for this joiUTial. His reply 

 is as follows : — 



" The celebrated Weddell has recently made some animadver- 

 sions in ' Grevillea ' upon my note concerning his pamphlets, 

 ' Lichens de Liguge,' and ' Nouvelle Revue des Lich. du Jard. 

 pub. de Blossac' In these remarks he would insinuate that, in- 

 duced by an unfriendly feeling, I found fault with several import- 

 ant points in these pamphlets, which is a very ingenious way of 

 accusing others of a fault which directly touches the accuser him- 

 self. I have repeatedly declared that in the practice of science, I 

 deal neither with personal affections nor opinions, for these are 

 foreign to science, which has to deal with truth alone ; * and most 

 certainly I have not written a line from any other motive than 

 simple regard for truth. On the contrary, so far as relates to the 

 author of ' Poictiers,' it is especially annoying that he has brought 

 forward very many assertions previously thrown against me (with a 

 well-known animus) from Upsala, and to which I have been com- 

 pelled to reply in the " Flora " and elsewhere (" to act in self- 

 defence," Wedd.) Accordingly I may legitimately regard the in- 



* They who would admit that science consists of a congeries of opinions (to 

 which are referable the notions called in German anschauimg, and in French 

 intuition), are ignorant what science really is, or confound it with what is 

 fabulous. 



VOL. III. 2 



