THE GARDENERS' CHRONICLE. 



fete, and loosely piled up in horizontal 

 layers on the spot. 



When by oh riet at the end of 



my attention. Every log of wood, of whatever species 



of'Fir V i' m j M ■. 1 .1 t-' 



wood at once, even from a d - 



that this black tint did not extend ov« : 

 surface, but formed part of a circle on the side nearest 

 . defined towards the centre. 

 (Fig. 1.) Clew help of a lens, 



: : 



lead (Fig. 2). On applying a higher mag- 



■ 



■ 



felt. At last f ■ I feWB a sort of 



rate cells. From such spots 



[Ato.U, 



are replaced by i 



head-shaped swelling (fig. 4). The apices of the indi- 

 vidual threads fall off, and are the spores, which are 

 about ,0025 of a Vienna line in length. 



That part of the hyphomycete which insinuates itself 



;he origin of this hyphomycete. * 



™ ead °7 e, \ wh ^ ha ? bew alleged t*^ 



uld seem beyond contradiction tint ?te£2 

 of its appearance. This pec 



mark that their colour is gradually 



Under 'a more powerful magnifier it appears that 



ire merely the coverings of fine cylindrical 



fall off. There is no doubt that these are o 

 the spores of some species of Torula.f 







through the dissepiments— « 1 





1, and, in point 



of fact, does take place elsewhere— but from 





h the dots, as is seen very ekftt 













have penetrated that they have had no 









a branch after it has passed through the 







ofthecell,it 





cellular cavity which contains air, and passes out through 



the canal of the neighbouring cell, after which it is 

 forked. This is also the ew 



. i, ,■ aceur *■ j the w, 



t .. ." ■" . • ••■ ■ 



sections, shows traces of fungal thi 

 from 2 to 3 inches, and from the 

 scarcely to a depth of 1 i? ch ; the £ 8 ncr mal *» 

 though so black externally, is al»a}« n a iett4 i 

 This is the same with longer and thie ^ 

 wood, for I remarked that trunks wb.cn f 



spend merely on the relative proportions, or is 

 iny other efficient cause 1 At present I do not 

 e to answer. We may, however, certainly de- 



ssels of Conifers are not closed bat 





Graphium penicilloides, a ^r a bout 1 i> 



r , 0t . l0n L/ died 'up 'M^'rtt* 



■ ' : : ■•' '■'■ ':.'" r .,' : '" ; -'-' ' * : 



