131 Borders of sluices. Meadow near Miller's Roanhe, Aug'15th 132 Aster - Meadows, Aug'15th 133 Gnaphalium, Borders of a sluice - Meadows, Aug'15th 134 Amaranthus, Common in the meadows, Aug'15th 135 Echinocephalium, Exceedingly common throughout the meadows, Aug'17th 136 Island in the river, Aug'17th 137 " " " " 138. Margin of the river - Aug'17th. Equisetum 139. Common - sandy river Banks and in the meadow generally near where water had been, Aug'17th. Camp 15 Foot of Upper Humboldt Lake, Near the Donatello Hill, Aug'24th 140. Common all over the sandy hill above the camp, Leaves all radical, long petioled - generally too withered for preservation. The petioles expand into sheaths which are lubricated about the foot of the stem. Blade of the leaf round, cutis, Nerves strongly marked on the under side. Root a long, radish shaped tuber. 141 Potomageton. Common in the river and much crummeted with salt. 142. Salt Grass, Border of the river,