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elastic threads, which are useful in dispersing the ripened spores. 
It is in this condition that the Myxogaster is generally found, 
and in this condition only can the species be identified, and it 
forms a delightful object for the microscope as to form and colour, 
in addition to the interest of its life history. The species are 
nearly all microscopic and difficult to find, and it is to the credit 
of Mr. Baker that he has been able to find one very rare species, 
viz., Dianema depressum. 
The whole of the new species of Fungi collected by Mr. Baker 
have been beautifully sketched in colour by Mr. E, Wheeler, of 
Clifton, whose work as a draughtsman in this department of 
Botany has a place in the Natural History Museum at South 
Kensington. 
HYMENOMYCETES. 
AGARICINEAE, 
Agaricus. 
1. A—alnicola Fr. 
2. A—augustus #7. On ashbed under an oak, September. 
3. A—augustissimus. 
4, A—incarnatus. 
5. A—lentus Pers. 
6. A—lineatus Ball. 
7. A—Phillipsii B. and Br. On dead grass, Midsummer. 
8. A—sarcocephalus Fr. 
9, A—semivestitus B, and Br. 
10. A—subinvolutus Batsch. 
MYCENA, 
11. M—strobilinus Pers. On fir cone. 
PAXILLUS. Fr. 
12. P—lepiota. On dead leaves in a wood. 
13. P—paneolus Fr. Ditto. 
LENTINUS. 
14. L—tigrinus Fr. On oak slabs supporting river bank, 
Warleigh Ferry. 

