Throughout, sparingly.

Acer, Toum. (Maple.)

A. Pennsylvanicum, L, (Striped Maple.) A. spicatum, Lam. (Mountain Maple.)

A. saccharinuin, Wang, (Sugar Maple.) This is a favorite shade tree, on account of the well proportioned head it forms, and the beauty of its foliage. It is claimed that it is also a fever tree, i. e. When growing it absorbs so much water as to render malarial districts heathful. In the northern States sugar is manufactured from its sap.

A. dasycarpum, Ehrhart, (White Maple -- Silver Maple.) This tree was no doubt introduced from the west. On account of its rapid growth, it is a favorite street tree. It however forks in such a way as to be very liable to damage from high winds.

A. rubrum, L. (Red Maple.) Common in swamps, bears transplanting to upland and is used sparingly for a shade tree.

Negundo, Moench. (Ash-leaved Maple-- Box-Elder.)

N. aceroides, Moench, A good shade tree, though requiring care to prevent a straggling habit of growth. Growing without cultivation about dwellings.

Order 31.-- P0LYGALACE.E. (Milk Wort Famly,)

Polyagla. Toum.

P. lutea, L. New Castle, not common. (Hexamer.) P. sanguinea, L. Not rare.

P. vcrticillata, L. Throughout these limits. Note. -- There is reason to believe that several other species of this genus grow in the County.

REPORT OF THE FLORA

Order 32 -LEGUMINOSiE (Pulse Famly,)

Crotolaria, L.

C. sagittalis, L. Road-sides, frequent. Trifolium, L. (Clover.)

T. arvense, L. Sterile fields, common. (Nat. Eu.) T. pratense, L. Red clover. (Adv. Eu.) T. repens, L. White clover, common.