NOTICES OF BOOKS AND MEMOIRS. 125 
THE COFFEE-LEAF DISEASE. 
. Marsuatt Warp has been prosecuting his work at Hemileia 
vastatrix (the coffee-leaf disease) in Ceylon with much success, and 
has issued a Second Report, containing not only much that is new 
plant. Among the numerous experiments made by Mr. Ward 
—which, on germinating, produce a four-chambered promycelium, 
whence arise four ‘‘conidia” at the tips of lateral branches. 
orm 
short delicate tube; they also begin germination on the coffee-leaf, 
but soon die. The farther history of these bodies is of the utmost 
importance to the investigation. On the “ coral-like i 
Mr. Ward has discovered numerous haustoria. He has also under 
supervision several experiments as to the application of remedial 
measures on a large scale. 
In an Appendix (H) there is an account of experiments made 
by Mr. Ward to satisfy himself of the fact that the wind conveys 
fungus spores from place to place. The examination of the glass 
slips exposed showed numerous spores of different kinds, including 
those of the Hemileia. This is interesting in view of the absurd 
objections made by Prof. Baldwin to Mr. George Murray’s similar 
experiments with the conidia of Phytophthora infestans, de By. 
‘Journal of Botany,’ December, 1880). In this Report Mr. Ward 
shows that he has gathered a great mass of details, of mien we hope 
$$ 
Pror. Rap Tare has published ‘A Census of the indigenous 
Flowering Plants and Ferns of extra-tropical South Australia,’ on 
the same principle as Baron von Mueller’s ‘ Census of the Plants of 
Australia,’ referred to at p. 
Tue last part (vol. xiv., pt. 1) of the ‘Transactions of the 
Botanical Society of Edinburgh’ contains an interesting paper, by 
Mr. G. M. Thomson, on ‘The Flowering Plants of New Zealand 
and their Relation to the Insect Fauna.’ 
Tux recent (January) part of the * Proceedings of the Geologists’ 
Association’ contains Mr. G. 8. Boulger’s paper ‘ On the Geological 
and other causes of the Distribution of the British Flora,’ of whic 
we gave a summary at p. 62 of this Journal for 1880. 
Nothing can possibly be gained by calling Polyporus vulgaris 
“ Common effused Polyporus,” or Auricularia mesenterica ‘‘ Entire 
Auricularia.’ 
