BOOK-NOTES, NEWS, ETC. 193 
volumes, in accordance with which such name 
spelt with a small initial, is still retained, although in other Kew 
publications it has been abandoned. 
In the preface to the volume, the editor, Sir W. Thiselton- 
oO 
has “ disregarded where an existing name is available which has 
correctly placed a species in the genus to which its affinity is most 
obvious.” This method, he says, ‘‘is based on technical grounds 
’’__ dictum which cannot be 
said to err on the side of modesty, seeing that the assembled 
n his 
at Ipswich in 1896 (see Journ. Bot. 1896, 114). It is obvious that 
he should have urged these on the Congress, and that only incon- 
the Vienna Rule in some of the 
Kew publications and ignoring it in others. The view of the 
British Museum botanists was formerly that now maintained by 
Sir W. Thiselton-Dyer; but it seems to them that, in the 
interests of order, the decision of the Congress should be accepted. 
BOOK-NOTES, NEWS, ¢ée. 
Ar the meeting of the Linnean Society on March 18th, Miss 
Sibyl Longman gave the substance of a paper entitled “ The ‘ Dry- 
potato tuber, known as “ -rot,” due to the fungus F'usarvum 
up in sound tubers by inoculation with spores or mycelium of 
F’. Solant, which species is not a parasite of the resting tuber only ; 
a 
it may als tack and kill the shoots of pota t e 
fungus, which probably exists as a widely distributed saprophyte 
in the soil, infects the growing potato plant vd t ot; it also 
Mr. G. Massee stated that various forms were usually found in 
conjunction with the fungus described, and alluded to Bernard's 
7 
