Sends plants from New York and New Hampshire. Brief account of his journey through Nova Scotia to Boston, [Massachusetts]. Arrived back in Britain in August. Has a parcel of plants for Smith from [Jacob] Bigelow; new species of 'Orchis' nearly allied to 'O. fimbriata'; they are to write a "Flora of the Eastern States" together; preparations for the work. Observations on American plants, including: 'Viola parviflora', 'Viola clandestina', 'Claytonia spatulafolius', 'Erythronium', 'Silene'. Requests introduction to [Aylmer Bourke] Lambert so as to consult Pursh's herbarium, in Lambert's possession. Assistance received from [Robert] Brown and use of Sir Joseph Banks' library.