Double-leaved ditto b.m.
699 ------ racemosus Common ditto b.m.

POLYGAMIA MONOECIA.

700 Atriplex Halimus Sea Purslane c.m.
701 Acer tataricum Tartarian Maple c.m.
702 ---- rubrum Scarlet ditto c.m.
703 ---- v. pallidum Pale ditto c.m.
704 ---- saccharinum Sugar Maple c.m.
705 ---- platanoides Plane-leaved ditto c.m.
706 ---- v. laciniatum Cut-leaved ditto c.m.
707 ---- montanum Mountain ditto c.m.
708 ---- pensylvanicum Pennsylvanian ditto c.m.
709 ---- monspessulanum Montpellier ditto c.m.
710 ---- creticum Cretan ditto c.m.
711 ---- Negundo Ash-leaved ditto c.m.
712 ---- Opalus Italian ditto c.m.

POLYGAMIA DIOECIA.

713 Gleditsia triacanthos Three-thorned Acacia c.m.
714 --------- v. horrida Strong-spined ditto c.m.
715 --------- v. monosperma Single-seeded ditto c.m.
716 Fraxinus rotundifolia Round-leaved Ash c.m.
717 -------- excelsior v. crispa Curled-leaved ditto c.m.
718 -------- v. diversifolia Various-leaved ditto c.m.
719 -------- v. pendula Weeping Ash c.m.
720 -------- v. striata Striped-barked ditto c.m.
721 -------- v. variegata Blotch-leaved ditto c.m.
722 -------- Ornus Flowering ditto c.m.
723 -------- americana American ditto c.m.
724 -------- chinensis Chinese ditto c.m.
725 -------- rotundifolia Round-leaved ditto c.m.
726 Diospyrus Lotus Date Plum Tree c.m.
727 Diospyrus virginiana Virginian Plum Tree c.m.
728 Nyssa integrifolia Mountain Tupello l.b.
729 ----- denticulata Water ditto l.b.

POLYGAMIA TRIOECIA.

730 Ficus Garica Common Fig-Tree c.m.

* * * * *

FOREIGN HARDY HERBACEOUS PLANTS.

In enumerating the foregoing, as well as the p