870 EXAMINATION OF MR. A. STEPHEN WILSON’S “‘SCLEROTIA.” 
Radnorshire, 155. Surrey, 8, 4, 126, 127, 128. 
Reigate, 208. eae 129, 130, 131, 
Renfrewshire, 180, 182. 
Richmond , York), 141. Sathedaddahiee, 39, 41. 
Ross, 102. Swanston, 35. 
Rossgill, 68. Swindale, 68. 
Rosshire, 42, 193. Tabley House, 78. 
Roxburgh, 183. Taunton, 21 
Saddleback, 21. Tay, 36 
t. Catherine’s Down, 22. ees, 206. 
+ Fillans, 179. Thirlmere, 21, 217. 
st. Leonards, 6. Thirsk, 144. 
sandside Bay, 39. Thorpe, 62. 
s;cawfell Pikes, 21. Thurso, 89. 
sett] 3. Torquay, 86. 
hap, 68, 69. noha 82... 
shedfield, 97. Tru 
‘horeham, 208. Tunbridge Mier 198. 
Sircwaber: 129. Twickenham, 5 
Shrewsbury, 117. Twycross, es 
; Bhinpahie, 101, aii, Warwickshire, 134, 202. 
skiddaw, 21. Westmorland, 67. 
‘kye, 189. Whinlatter, 21. 
: Shee 7, 24, 95,101. we an of, 22, 58, 98, 
Stafford, 1 99, 100, 101. 
Stafford, 59, 119. Wilshire, 185, 186, 187, 
staine 138, , 140. 
Stir ting. 8 Windsaed 146. 
Stinlinsghire, 181. Wirral Hundred, 213. 
Stockport, 215. _ Worcestershire, 8. 
Suffolk, 20, 121, 122, 128, Yorkshire, 142, 145, 147. 
124, 125, 191, 192. 
EXAMINATION OF MR. A. STEPHEN WILSON’S “ SCLE- 
ROTIA” OF PHYTOPHTHORA INFESTANS. 
By Greorce Murray, F.L.8., & Waurer Fuieut, D.Sc., F.R.S. 
w the ‘ Gardeners’ ae for 1882, p. 460, Mr. A. Stephen 
Wilson published an account of certain podiea found in potato 
leaves, &c., which he offered evidence to prove were of the nature 
of sclerotia, and further, that they formed a phase in the life- 
history of the potato fungus. It is unnecessary to deal in detail 
with the nature of Mr. Wilson’s evidence: to put the case shortly, 
he contended that these so-called sclerotia were masses of proto- 
plasm in a more or less hardened and earner condition, which 
under favourable circumstances resumed activity after the fashion 
of plasmodia. It need not be said that this ao ty a Tanne departure 
m the accepted notions of the life-history of an organism of the 
