22 GEOGRAPHICAL STATISTICS OF THE EUROPEAN FLORA. 
AScosPOoRE 
f a 
Ascospores Stylospores Conidia 
Stylospores Conidia 
| 
Stylospores Conidia ? 
Ascospores Ascospores 
n the course of these exhaustive researches, conducted in the 
ihidesties of Professor de Bary, of 8 g, Dr. Bauke investi- 
gated the life-history of ten different Pycnidia, which according to 
their structure, he divides into simple and compoun o the first of 
Doliolum, and Pleospora herbarum (? he the representative of the 
second may be named a Pycnidium living in the bar of Cornus san- 
gies with bro GENE at aa consisting of two cells. The Pycnidia 
¢ wo hit tyes polytricha occupy a position intermediate between these 
wo 
oir is accompanied by six plates, which fairly illustrate 
the different phases in the: life of Pycnidia. 
G. R. M. M. 
GEOGRAPHICAL STATISTICS OF THE EXTRA-BRITISH 
OPEAN FLORA 
By Tuomas Comper. 
(From the ‘‘ Transactions of the Historic Society of Lancashire and 
Cheshire,” 1875, pp. 13-32. “Read 4th March, 1875.) 
ODUCTION. AN a pal read before _your Societ ety in 
could n 
me 5 they required, in so far as they differed from the conclusions 
Prof. Alph. De Candolle and others, or opened out fresh ques- 
ae to be confirmed by comparison with the results of oer investi- 
getions on the = of other countries. With a view of asc 
paper. 
The first step it in the investigation was to settle a list of speci 
and I have adopted as a groundwork Nyman’s ‘ Sylloge,” vith ‘its 
sul eg rejécting therefrom (a): doubtful or disputed species, such 
* See Journ, Bot., ik 5 ok 
