IG5 
j Vulva of Michaux. On the north-west parts of 
Louisiana. 
567. Ulmus alata. Large leaved elm, D. Near New* 
Orleans and at Plaquemines. 
Ulmus aquatica . Swamp elm, D. This is 
probably the Planera gmelini, sp. 411. Grow¬ 
ing in water, together with Nyssa aquatica. 
568. Vaccinium arboreum. Common west of the 
Delta in thin level woodland. 
569. Vaccinium starmineum. In pine forests on both 
sides of the Mississippi, and in Opelousas. 
570. Vaccinium macrocarpon. Cranberry, D. Or 
rather Oxycoccus macrocarpus, Pursh. Found 
on the waters of the Mermentau. Is it really 
that species ? 
571. Vaccinium resinosum. In pine forests, east and 
west of the Mississippi. 
Vitis riparia, sp. 441. In Opelousas, it over¬ 
hangs the streams together with the following one. 
572. Vitis laciniosa. In Opelousas. 
573. Vitis verrucosa. Muscadine grape. Very com¬ 
mon in Opelousas ; and near Baton rouge. 
