1900-1901. | Mushvoom-Culture. 177 
when the above paper by Mr T. C. Day was read. At the 
same meeting Mr A. Murray contributed a paper on the 
Plane-tree; and Mr Charles P. Hobkirk, F.L.S., a corres- 
ponding member of the Society, submitted a communication 
as to the finding of a moss new to the British flora—viz., 
Tortula cernua (Hueb.), Lindb, This latest addition to our 
British mosses was found by Mr George Webster, of York, 
at the end of September 1900, in the West Riding of 
Yorkshire, in small quantity only, on the magnesian lime- 
stone near Aberford. It was stated that “now that 
attention has been called to it, ... it may be detected 
by some of our active bryologists in other districts of Great 
Britain; but as it ripens its fruit in summer, it could 
hardly be recognised during the winter and spring months.” 
VII.—MUSHROOM-CULTURE. 
By Mr JOHN PATON, 
Manacer, ScorrisH MusHroom Company, Limirep, 
ScortanD STREET STATION, EDINBURGH. 
(Read Feb. 27, 1901.) 
Wuen I was asked to give a paper on mushroom-culture, I 
willingly consented, if the Society would accept one dealing 
chiefly with its commercial aspect. My friend Mr Malthouse 
will follow me with a paper of a strictly scientific nature on 
the same subject, and will be able, I have no doubt, to give us 
some valuable information. In dealing with my own theme,— 
that of mushroom-culture,—I shall confine my remarks to the 
Agaricus campestris, that being the only mushroom which is 
cultivated in this country. There are many other kinds which 
are pleasant to eat, some of them holding a higher place in the 
estimation of epicures, but as a universally appreciated 
mushroom the true meadow mushroom bears the palm. I am 
not aware that the effort has ever been made to cultivate any 
