OLIVE FAMILY 485 
FRAXINUS, L. 
Trees, with opposite compound leaves, which are feather-formed, with 
several pairs and an odd leaflet. Flowers small, green, rarely with both 
stamens and pistils in the same flower and generally with staminate and 
pistillate flowers on different trees, in compound crowded clusters, which 
appear with the leaves, or before them in the axils of the leaves of the 
preceding year, Petals none or 2 or 4, small; calyx small with 4 points 
or the points may be wanting or irregular. Fruit a flat winged samara, or 
“key,” usually 1l-seeded. 
Leaflets stalked. 
Wing extending along the sides of the samara, 
Under side of leaf not velvety . . . «. « « « « SF. lanceolata 
Under side of leaf velvety. 
Leaf margins with very fine teeth . . . . F. pennsylvanica 
Meak, Muatems entire |. val ke fe lel al oe a - FF. Michauxcu 
Wing only at the outer end of the samara . . . . . . F, americana 
Leaflets not stalked Seals . Sabres eats nce 
nigra 
1. F. americana, L. (Fig. 7, pl. 121.) Wuire Asn. Large forest 
tree, Leaflets 5 to 9, egg-shaped or narrow-egg-shaped. The twigs smooth, 
leaves without teeth or with very fine dentations. Fruit a rounded body 
appended to which is a wing 2 or 3 times as long as itself and extending 
only from the outer extremity, in form elliptic lance-shaped. April-May. 
2. F. lanceolata, Borkh. (Fig. 10, pl. 121.) Green Asn. Forest 
tree, not as large usually as No. 1. Leaflets 5 to 9, egg-shaped or oblong, 
tapering at each end, sometimes with small serrations toward the outer 
extremity. Samara 1 to 3 in. long, the wing extending along the sides, 
blunt at the apex. April-May. 
3. F. pennsylvanica, Marsh. (Fig. 9, pl. 121.) Rep Asu. Large 
tree. Leaflets 5 to 9, egg-shaped or narrow-egg-shaped. The twigs, leaf- 
stalks and the lower surface of the leaves downy or velvety. Pistillate 
and staminate flowers on different trees. Body of the samara surrounded 
by the wing on all sides and which extends beyond it to a length equal 
to the body, the whole being elliptic or spatula-formed. 
4. F. Michauxii, Britton. Mricuaux’s Asn. Leaf margins entire; 
leaves thick, either velvety or smooth; samaras broadly spatula-formed. 
Swamps, New York and southward. 
5. F. nigra, Marsh. (Fig. 8, pl. 121.) Buack As. Hoop Asa. 
Large forest tree. Leaflets without stalks, 7 to 11, lance-shaped, tapering 
at each end, sharply indented at borders. Samara 1 to 2 in. long, the 
wing extending all around, broad at apex, usually with an indentation. 
Swamps and other wet places. April-May. 
Famity II].— LOGANIACEAE. Locanta FAmIty 
Herbs, shrubs or trees. Leaves opposite or in whorls, with 
stipules or with a membrane between the opposite leaf-stalks. 
Flowers regular, ours with calyx and corolla each 5-parted; the 
calyx below the ovary. 
