600 



MUCEDTNES. 



On decaying vegetables. Autumn, 



Especially delighting in SpoA-ganium . " Flocci simple or forked, grey, 

 slender, but rather rigid, septate ; at the sides and apices are little heaps of 

 globose grey sporidia, giving it at first a whorled aspect. They soon fall off 

 and leave the flocci naked."— !/./.£. {Fig. 268.) 



Gen. 234. 



POI.YACTIS, Link, 



Flocci septate, broTvnisli, branched above j 

 spores hyaline, in teiminal clusters. — Berk, 



Polyactis vulgaris. Z^. '^Common Polyactis."' 



Flocci grey, sterile, rather fleecy ; fertile divided at the apex 

 into lobe-like branchlets. on which are collected the globose^ 

 minute sporidia. — N'ees. Sys.f. 57. Botrytis vulgaris. Berk, Eng, 

 Fl.Y,p.U2. 



On rotting plants, gourds, and cabbages. Common. 



Variable in ramification, and in colour of the sporidia. (Fig. 269.) 



1799. 



Polyactis cana. Ber\. " Hoary Polyactis, 



Flocci cinereous, or whitish, sterile effuse, fertile branched 

 at the apex ; sporidia large, oval. — Botrytis cana. Berk. Eng. 

 Fl.Y. p. 3-42. Fr. S.2I. iii.p. 397. Cooke exs. no. 355, 



On rotting stems and leaves. 



Easily distinguished from its allies by the large, oval sporidia j branches 

 rather compact, growing in a botryoid rather than racemose form. — Eng. 

 Fl. 



1800. 



Polyactis vera. Berli. " Micheli's PoIyacti&. 



Flocci grey, sterile rather fleecy, fertile branched above, 

 forming spikes about the slender apices ; spores ? — Botrytis 

 vera. Berk. Eng.Fl.Y. p. 343. Bot. spicata. Mich. t. 91,/. 4. 

 Mucor. botrytis. Bolt. 1. 132 jf. 3, 



On Pohjporous versicolor. Near Halifax, 



This species appears to have been found by Bolton, and by no one else in 

 Britain. 



