Lemna trisulca, Lin., Ivy-leaved Duckweed. The Avon, 1141.
Arum maculatum, Lin., Cuckoo-pint, 1142.
Sparganium simplex, Huds., Unbranched Bur-reed, 1145.
Sparganium ramosum, Huds., Branched Bur-reed. Found it, with Mr. Lees, in ponds at Wootton, 1147.
Juncus conglomeratus, Lin., Common Rush, 1151.
Juncus effusus, Lin., Soft Rush, 1151.
Juncus glaucus, Sibth., Hard Rush, 1152.
Juncus acutiflorus, Ehrh., Sharp-flowered jointed Rush, 1156.
Juncus lamprocarpus, Ehrh., Shining-fruited jointed Rush, 1157.
Juncus supinus, Mœnch., Whorl-headed Rush, 1159.