116 
As illustrative of the exotic element may be mentioned Z77iatula 
Wynnie, Berk. and Broome, first described (Ann. Mag. Nat. Hist., 
1879, p. 206), from specimens found in a stove in the (ardens; this 
species has weii roe pores 2 the neighbourhood of Brisbane, 
where it is not u and e luminous, emitting a pale 
green light. It is hed. by Cooke iior. Brit. Fung., pl. 688). 
rpurata, Cke. rcm a very beautiful fungus, was 
established posed ei , 73) from specimens growing on the trunk of a 
tree-fern in on the fern- cpm and has since been received from 
New Zealand, iis undoubted home. Aserde rubra, La Bill., the most 
beautiful of the many quaint forms belonging to the Gaster omycetes, a 
native of aes also occurred in a stove, some time vie to the 
year 186 specimens arc at present in the Herbariu e = nus 
Chitonia, bera cem only four known species, is re dein esented Ci 
rubriceps, Cke. & Mass. (Grev., xv., 57), found on soil in the T od 
House, but although a typical member of an exotic genus, no clue as to 
its native habitat has yet been obtained. 
Coming to microscopic forms, we find that the list contains a still 
greater per-centage cf introduced ‘Species, i.e, species new tothe British 
list, and growing on exotic plants. The enus Phoma heads the list 
with 107 species, of which above three-fourths have been met with only 
at Kew, so far as the British Isles are concerned, and of these above 
thirty were first established from Kew material by Dr. Cooke, who 
Not a single example, however, ofa parasitie fungus, that has proved 
to be destructive to plants, has been introduced to Europe through 
w. 
grounds-—are 
fewer than would be expected, with the falli ig notable exceptions. — 
In pr genus Russula eh A species have been observed during the 
last ten years, out of a total of sixty-one British Species. The large 
size id brilliant erie of most species belonging to this genus 
summer and early autumn. Another genus containing species of. 
sufficient size and brilliancy of colour to attract popular attention is 
Boletus, which numbers twenty-six species. 
A fairly good collection of specimens of fungi, along with models and 
drawings, are exhibited in No. 2 Museum. 
d of thanks is due to the members of the Garden staff, 
interested in Mycology, for the discovery of numerous species, which, 
but for their zeal, would not have —€— in the present lis 
The host-plant, or matrix, on which each fungus occurred, has been 
given, and also the locality for the prem species “that are likely to occur 
again. Finally, naer have been added, indicating the edible and 
poisonous species of the “i also the parasitic species that are 
known to be destructive to plants. 
The species of bt re occurring at Kew are given in an 
Appendix at the en 
Explanation of the abbreviations used :— 
A. Arboretum ; 
B. Botanie Garden ; 
P. Palace and Herbarium Grounds ; 
Q. Queen's Cottage Grounds, 
