Yorkshire Naturalists at Wentbridge. 329 
explanation of such a departure from normal conditions was 
available. 
Dr. Corbett recorded having noticed Dipsacus pilosus and 
Festuca rigida. 
BRYOLOGY.—Mr. C. A. Cheetham reports :—The rocks on 
the south side of the stream were found to be excellent for 
mosses ; possibly further work on them would be repaid by 
the discovery of other species. The chief additions to Mr. W. 
Ingham’s comprehensive lists on the circular relating to the 
excursion, are Wetsia tenuis in quantity and sell grown, 
Plagiothecium depressum and Eurhynchiwm tenellum. 
Mycotocy.—Mr. W. N. Cheesman writes:—Miss C. A. 
Cooper, Mr.-A.- R. Sanderson and the writer represented the 
Mycological Section. ‘Too dry,’ said or thought all as they 
walked the hot dusty road from “Pontefract to Wentbridge, but 
here compensation came in the sight of a charming well ooded 
gorge cut through the Magnesium Limestone tidge by the 
small River Went and locally called Broc-o’ -dale~—Badgers’ 
Dale or Broken Dale. 
ighteen species of Mycetozoa were found, the most notable 
ones being Tvichia contorta and Cribrania aurantiaca. The 
latter was in the sap-green plasmodium stage and matured out 
before reaching home., This species is the only known one 
with green plasmodium. It is curious that some of these 
organisms will remain for weeks or months in the plasmodium 
condition and then suddenly complete their life cycle in a few 
hours. The following Mycetozoa were gathered :— 
Physarum nutans. Reticulavia lycoperdon. 
viride. Trichia contorta. 
Fuligo septica. : oA Botrvtis. 
Cratertum minutum. ; - - Hemitrichia clavata. 
Didymium difforme. Aycyria. cinerea. 
Stemonitis fusca. » denudata. 
Contatricha nigva. > nutans. 
Cribraria auvantiac a. Pevichena corticalis. 
Tubtfera feryuginosa. Lycogala epidendrum. 
Fungi were not much in evidence, but the woods gave great 
promise for a later visit. The fungi observed were :— 
Amanita vubescens.., Boletus lavicinus. 
Armillavia mellea. (Old mycelium Polyporus squamosus. 
Collvbia dyvophila. only). Polystietus abvetinus. 
Pluteus cevvinus. Fomes annosus. 
Galera tenera. Porta saporaria. 
Stvopharia evuginosa, Dedalea quercina. 
Hypholoma fascicularve.. aia 
Coprinus plicatilis. Corticium sanguineum. 
Mavrasnuus oveades. Pentphova pubera. (See Naturalist 
y votula. IQTI, P. 169). 
Lentinus cochleatus. aa 
—— Rhytisma acevinun. 
Boletus flavus. , Aylaria hypoxylon.. - 


1916 Oct 1. 
