THE HISTORY OF MYCOLOGY IN ESSEX. 275 *Byssus phosphorea [Corticium caeruleum]. On rotten wood in Hoe Street. (On dead sticks, posts, etc.). *Byssus candida [Corticum lacteum]. On rotten wood. (On leaves on the Forest). Byssus septica [Racodium cellare]. In cellars on wood etc. In cellars on wine casks. *Byssus barbata [Ozonium auricomum, the sterile mycelium of Coprinus domesticus]. On dead wood in our yard (Walthamstow). Agaricus Chanterellus [Cantharellus cibarius]. Chanterelle Agaric. In the woody parts of Epping Forest, not very common. Agaricus campestris [Psalliota]. In fields and on the Forest, very common. Agaricus georgii [Psalliota arvensis]. A campestris b georgii Hud. In fields common. Agaricus integer [Russula emetica]. In woods very common. Agaricus procerus [Lepiota]. In woods and hedges etc., very common. Agaricus verrucosus [Amanita asperai In the woody parts of the Forest. Agaricus piperatus [Lactarius]. In the woody parts of the Forest. *Agaricas lactifluus [Lactarius subdulcis]. In the woody parts of the Forest. Agaricus viridis [Stropharia aeruginosa]. A. aeruginosus Curtis. In the woody parts of the Forest, in our Garden (Hale End). *Agaricus fascicularis [Hypholoma]. On posts (at the bottom) and roots of trees very common. Agaricus pratensis [Psalliota]. Champignion Agaric. In fields and the Forest very common. Agaricus ostreatus Curtis [Pleurotus]. On trees. Agaricus glutinosus Curtis [Stropharia semiglobata].