Received Smith's letter of 3 [September 1816]. Pleased Smith has received second edition of his "Nereis Britannica", a present he considers a "token of respect, considering the eminent place [Smith] fill[s] in the Department of Botany". Explains the work: added more plates to the first edition in order to include all British known species, and to offer arrangement on Linnean principles. Only 100 copies printed, with an additional 50 copies of the arrangement with extract from preface to be sent to foreign seats of learning. He received extra stimulus for his work on receipt of Gmelin's catalogue of lichens; thinks Smith is the right person to reform this genus. Thanks for Smith's remarks on his generic names, which will be amended.