64 ULMACEAE. 



stigma clavate, peltate, or 2-lobed. Fruit depressed, globular, or elongate, 

 the achenes included. — Fig. 



Receptacle sessile: leaf-blades narrowed at the base. 1. F. aurea. 



Receptacle stalked : leaf-blades rounded or cordate at the base. 2. F. brevifolia. 



1. F. aurea Nutt. Tree, often starting as a vine, becoming 20 m. tall, with 

 glabrous twigs: leaf-blades oblong, or oval, 3-10 cm. long, acute or short- 

 acuminate at the base: fruit spheroidal or obovoid, about 2 em. in diameter. 

 — Hammocks. — F. K. (Bah., Cuba, Aiit.) — Golden-fig. 



2. F. 'brevifolia Nutt. Shrub, or tree sometimes 15 m. tall, with glabrous 

 twigs: leaf -blades ovate, oval, or rarely obovate, 3-10 cm. long, mainly 

 rounded or cordate at the base: fruits subglobose, 2-2.5 cm. in diameter. 

 [F. populnea Nutt.] — Piuelands and hammocks. — F. K. (Bah., Cuba, Ant.) 

 — Wild-fig. 



Family 3. ULMACEAE. Elm Family. 



Shrubs or trees, the sap wateiy. Leaves alternate : blades inequi- 

 lateral, commonly toothed. Flowers perfect, polygamous, or monoecious, 

 variously disposed. Calyx of 4 or 5, or rarely 3-9, partially united sepals. 

 Androecium of usually as many stamens as there are sepals. Gynoecium 

 of 2 united carpels. Fruit a samara or a drupe, or nut-like. 



Flowers in dichotomous cymes : drupes in axillary cymes. 1. Trema, 



Flowers solitary or clustered : drupes solitary. 2. Celtis. 



1. TREMA Lour. Unarmed shrubs or trees, the bark smoothish. Leaves 

 persistent: blades toothed, slightly inequilateral. Calyx rotate, the lobes 

 much longer than the tube. Stigmas 2, entire. Drupe ovoid or globose. 



1. T. floridana Britton. Shrub, or tree 6 m. tall, with copiously pubescent 

 foliage: leaf -blades ovate, oblong-ovate, or lanceolate, 4-10 cm. long, softly 

 pubescent beneath: calyx greenish: drupes subglobose, 2.5-3.5 mm. in diam- 

 eter, yellow or orange. — Hammocks. — F. K. 



2. CEIiTIS [Tourn.] L. Unarmed shrubs or trees, the bark often warty. 

 Leaves deciduous: blades entire or toothed, very inequilateral. Calyx rotate, 

 the lobes much longer than the tube. Stigmas 2, entire. Drupe subglobose 

 or oval. 



1. C. mississippiensis Bose. Tree becoming 30 m. tall, the twigs sometimes 

 pubescent: leaf-blades lanceolate varying to ovate-lanceolate or oblong-lanceo- 

 late, 6-12 em. long, long-acuminate, entire or nearly so: drupes globose or 

 ovoid-globose, 5-7 mm. in diameter, dark-purple or orange-red. — Hammocks. 

 — (Ber.) — IIackberry. Sugakberry. 



Order POLYGONALES. 



Shrubs, herbs, trees, or vines. Leaves alternate, or sometimes oppo- 

 site or whorled : blades mostly entire: stipules present, usually as a sheath. 

 Flowers perfect, monoecious, dioecious, or polygamous, variously disposed. 

 Hypanthium long or short. Calyx of 2-6 sepals, which sometimes develop 

 keels or wings. Corolla wanting. Androecium of 2-9 stamens. Gynoe- 

 cium of 2 or 3 united carpels, the ovary superior. Ovule orthoti'opous. 

 Fruit an achene. 



