262 BOTANICAL GAZETTE [SEPTEMBER 
some species of Fomes consists of true basidiospores which have been carried 
upward by gentle currents of air, such as arise from differences of temperature 
at different levels, and have lodged on the pilei. In support of this view the 
author points out that other objects in the vicinity of the fungi also become 
covered with spores. A simple experiment lends further support to this 
view. Pieces of cardboard pinned on the surface of sporophores of Polyporus 
applanatus in May were covered with spore powder in July, as were also. all 
portions of the surfaces of the fruit bodies except the areas covered by the 
paper. While not venturing to explain the pertinaceous adherence of the 
spores to surfaces, the author suggests that they stick fast by virtue of a gelati- 
— cutin layer. Regarding the spore powder on the surface of these fungi, 
have generally adopted the view of ScHuLzER, according to which 
the Sede consists of conidia whose origin on the surface of the pileus is - 
minutely described by him. Although opposing the view of SCHULZER, 
Romett does not speak of repeating the histological examination of that 
investigator. If the explanation of RomeLt is correct, it is a matter for inquiry _ 
why this peculiarity of spore distribution is restricted to a few members of the 
_ genus Fomes and does not occur more generally among the Hymenomycetes. 
Even among the caespitose Agaricaceae, only those parts of the pilei over-— 
=— by others are soely cat bs spores, while the exposed parts as 
Journal of Forestry.—With the issue of January 1917 the Journal Ae 
Forestry takes the place of the Proceedings of the Society of American eo | 
_and of the Foresiry Quarterly. This change of either 
a aspaige by the other, but rather an amaigamaton ofthe best feaeres of BE 
: — “pages per annual volume. 
ste ‘Original Publications i is intended. In continuing — the activities 08 
wthath Soo to 
the LAC YP WER WEE Oe 
oe Te it mah fhe eu ts  igh tna of 
_ which promises well for its future. oe 
oo ‘Some aig of 30 years of forestry work of the Federal Government P 
