64 KEY AND FLORA 
Flowers in small clusters. Fruit oblong, downy on the sides, ciliate 
on the edges. On rich soil, Occasionally producing a second set of 
flowers and fruit from September to November.* 
II. CELTIS L. 
Trees or shrubs with entire or serrate, petioled leaves, 
Flowers greenish, axillary, on wood of the same season, the 
staminate in small clusters, the fertile single or 2-3 together.* 
1. C. occidentalis L. Hackpernry. <A large or medium-sized tree, 
having auch the appearance of an elm, bark dark and rough. 
Leaves ovate, taper-pointed at the apex, abruptly obtuse and inequi- 
lateral at the base, sharply serrate, often 3-nerved from the hase, 
smooth above, usually somewhat downy below. Fruit a small, dark- 
purple drupe. On rich soil. 
2. C. mississippiensis Bosc. SouTHERN JIAcKBERRY. A_ tree 
usually smaller than the preceding, bark gray, often very warty. 
Leaves broadly lanceolate or ovate, long taper-pointed at the apex, 
obtuse or sometimes heart-shaped at the base, entire or with very 
few serratures, smooth on both sides, 3-nerved. Fruit a purplish- 
black, globose drupe.* 
20. MORACEA. Mutperry Famizty 
Trees, shrubs, or herbs, usually with milky juice, alternate 
leaves, large deciduous stipules, and small moncecious or dice- 
cious flowers crowded in spikes, heads, or racemes, or inclosed 
ina fleshy receptacle. Staminate flowers with a usually 4-lobed 
calyx, and with as many stamens opposite the lobes; filaments 
usually inflexed in the bud, straightening at maturity. Pistil- 
late flowers usually 4-sepalous ; ovary 1-2-celled, 1—2-ovuled ; 
styles 2; receptacle and perianth often fleshy at maturity.* 
I. MORUS L. 
Trees or shrubs with milky juice, rounded leaves, and mono- 
cious flowers in axillary spikes. Staminate flowers with a 
4-parted perianth, and 4 stamens inflexed in the bud. Pistil- 
late flowers with a 4-parted perianth, which becomes fleshy in 
the multiple fruit, the pulpy part of which consists of the 
