BOOK-NOTES, NEWS, ETO. 499 
oe constitute a series of excellent efforts, and the working out 
Dr. Lindman’s phanerogams will, we think, oe no doubt that 
the Regnell Expedition of 1892-4 is to be considered as one of the 
most successful: — missions of the century just close 
are the cause of the white and red rot of red cedar rere "Bo grea 
is the damage done by these fungi, that one dealer estimated that 
m least sixty per cent. of the trees in his locality were more or less 
red and the wood rendered unfit for lumber. Mr. Herbert 
Sch hrenk, the author of this Bulletin, gives us the result of his 
careful study of the diseases. eat considers rtd ba? ae, of the 
fungi enter the trunk by a dead branch, and pen o the centre 
of the tree, the heart-wood being pecially teateopee The fruiting 
body of the fungus causing white rot has only been found twice; it 
belongs to the genus Polyporus, and is ped or es hoob-ahispods 
to be a gion of P. fomentarius. rot is cause re a form ree 
olyporus carneus, and the mature fungus is soe recdhe found in the 
depression of the trunk where a dead branch has broken off. Mr. 
Schrenk gives an seaeigthtre series of inte showing the damage 
done to the wood, and he concludes by stating some methods o 
mere S the pests. —A.L. 8. 
Mr. E t §. Satmon publishes, in tue Memoirs of the Torrey 
nae Club | (4 Oct.), A Monograph of the Erysiphacee. It occupies 
292 pages, oe is illustrated by nine plates. 
Mr. J. M. B. Tayzor, who is good enough to express his pleasure 
at our publication of his letter on p. 456, will publish early in 1901 
a ‘‘ Botanist’s Guide to Renfrewshire.” “ This work w a guide 
to the Flora of Renfrewshire, pantegs dee with the peculiarities of the 
native plants, tr sig by gray: grasses s, &c., their habitats, time 
of flowering, c.,’ ook creat 6 it with interest. 
Tue latest each ack ii. fasc. 2, 20 Oct.) of Symbole Antillane 
contains the conclusion of Mr. Clarke’s Cyperacee (to which Dr, 
Dr. Lindau ; paar of new Lauracee 
Mez; and a larg mber of new Leguminose by Dr. reget! who 
inimidentally "eerbes new species from Mexico. A new g 
Heanane ie § established on Robinia | ? cubensis H. B. K. (Gliricidia 
iar - 
nse Se of the Linnean Society held on Nov. Ist, the 
ees tee oe of. S. H. Vines, in the chair, Mr. J. E. § Loor e read 
a paper on the character and origin of the ‘‘ Park-lands”’ in Central 
Africa, which was illustrated by a series of lantern-slides. These 
park-lands in the Tanganyika district have quite the appearance of 
