THE HISTORY OF MYCOLOGY IN ESSEX. 279 Hydnum erinaceus. On a Poplar on the Forest between Laytonstone and Wansted. *Helvella Caryophyllea [Thelephora terrestris]. In a Firr Thicket near Snaresbrook and Warner's gravelpit ponds and elsewhere ; (in a fallow field on Little Baddow Common, Essex, 1828). Helvella rubiginosa [Hymenochaete]. On posts, Walthamstow. *Helvella mesenterica [Auricularia mesenterica]. On posts. On a stump in the lane leading from Wood street to the Church and near the Prospect field (on posts and logs, Walthamstow). *Helvella villosa Relhan ? [Stereum hirsutum]. H. acaulis Hud. On trees and posts, etc. (In a field between Wood- street and the Forest near Salters Buildings ; Hale End ; Little Hale brink). *Helvella incrustans Light. M.S. [Sebacina]. In the gravel pit near the Forest. Helvella Tremella violacea Relhan [Peniophora quercina]. On the underside of dead sticks on the Ground in the Larks and on a dead Oak branches in our field (Hale End House garden). *Helvella sarcoides [Coryne]. In a wood between Hale End and Chapel End. (In the ditch of Hale brinks on the forest near the top of Hagger lane ; on a tree in the forest near the top of Hagger lane). Helvella tubiformis Schaeffer [Cantharellus tubaeformis]. Under a------oak near a moist place in Hale brinks. Helvella crispa Bull. In Hale Brinks and on the Forest. Auricularia corticalis [Peniophora quercina]. On dead sticks. *Peziza lentifera [Cyathus vernicosus]. In a bank in the Lea bridge road near Hoe street. *Peziza laevis [Crucibulum vulgare]. On a bank in a field leading from Woodstreet to the Forest.