Singular specimen of Fungi. 
321 
a Mouseekiii Bysbus, Byssi/s .septiat, (marked ccc) spread its fine 
white foliage up and down the post, and along the marble, in various 
directions ; and Fungi, as common Mushrooms, yiydrivus campesiris, 
(dd) with deep flesh-coloured gills; and Boletus tcnrejc, (b) also 
grew out- of the post, as shewn in the plate, [fig.49] which was drawn 
October 13th, 1777, by White Watson. 
49 
The fissures in the rock being always moist, and the atmospheric 
air excluded, the water issuing in small quantities down the post, 
and causing the wet rot, gave rise to these Fungi, which are said to 
be "plants that live without air." 
It is supposed that the different kinds of Fungi which appear upon 
decaying timber, are produced by the remaining i)owors of life in the 
sap of the unseasoned wood; and that the same kind ofliA'iiig organi- 
VOL. I, No. 7. SS 
