226 HISTORY OF ESSEX BOTANY. Thlaspi arvense L. †Papaver dubium L. Lathyrus hirsutus L *Viola hirta L. Allium oleraceum L. *Agropyron junceum Beauv. Polypogon monspeliensis Desf. Calamagrostis epigeios L. *Carex distans L. †Care.v divisa Huds. *Prunus insititia Huds. Of these those that were new to the county run as follows :— p. "I. Alga exigua dichotomos, arenacei coloris . . . Circa Hollandiam pagum non longe ab Harvico in littus maris rejectum invenimus. On reference to specimens in Buddie's and other Sloanean collections this proves to be Ahnfeltia plicata J. Ag. p. 73. Fucus angustifolius vesiculis longis siliquarum aemulis. Quem in littus ejectum invenimus circa Hollandiam vicum non procul ab Harvico portu, 5 trans S. Osithae oppidulum miliaribus in Essexia." This appears from specimens in the same collections to be Halidrys siliquosa Lyngbye. p. 126. Lichen sive Hepatica lunulata epijnllokaepog . . . in umbrosis uliginosis. . . . D. Dale pharmacopaeus & medicus Brantriae, vicinus noster, Botanicus Studiosus primus detexit nobisque ostendit non longe a domicilio nostro. [Lunularia vulgaris Michel.] p. 190, following the description of Potamogeton interruptus var. scoparius, 'Potamogeton maritimum pusillum alterum. . . ." "In fossis palustribus via a 'Camaloduno ad Goldhanger." This, as represented in the Sloane Herbarium, is Ruppia rostellata Koch, as also is Plukenet's specimen (Herb. Sloane 97, 121), figured by him (under this name of Ray's) Tab. ccxlviii., Fig. 4. In Gibson's Flora, Mr. Newbould suggests that the specimens used by Sowerby for English Botany, Tab. 136, as R. maritima are this species. "They were," he says, "from a plant gathered by E. Forster in Ray's station." Sowerby's drawing is, however, endorsed "E. F., junr. The habitat mislaid," while the specimens themselves are fragmentary and inconclusive. Edward Forster's own specimens in the British Museum Herbarium, both from Goldhanger, July 21st, 1793,