368 OLEACE^. (olive family.) 



twining slinibs. Leaves often cordate. Flowers yellow or white, in lateral 

 umbels. 



1. S. crassifolium, Decaisne. Stem smooth and twining ; leaves nearly 

 sessile, oblong, mucronute, rounded at the base ; peduncles stout, 8-1 2-flowered, 

 2-3 times as long as the leaves and pedicels ; lobes of the corolla ovate, obtuse, 

 spreading ; the outer surface, like the calyx and pedicels, pubescent ; leaves of 

 the inner crown oval, rather exceeding tiic stigma and anthers. — South Florida. 

 ^ Leaves somewhat fleshy, 9"- 12" long. Corolla 3" wide. Ovary villous. 



8. GONOLOBUS, Michx. 



Calyx 5-pai-ted, spreading. Corolla wheel-shaped, 5-parted, the lobes spread- 

 ing, twisted in the bud. Crown a wavy-lol)ed ring at the throat of the corolla. 

 Gynostcgium flattened, depressed. Anthers opening transversely. Pollen- 

 masses horizontal. Follicles inflated, angled, and often armed with soft spines. 

 Seeds comose. — Twining herbs, with opposite petiolate cordate leaves, and yel- 

 lowish or purplish flowers, in lateral corymbs or umbels. 



1. G. macrophyllus, Michx. Hairy; leaves oblong-ovate, cordate, 

 abruptly acuminate ; umbels peduncled, several-flowered ; pedicels spreading, 

 unequal, shorter than the petioles ; corolla dull-purplish, conical in the bud ; the 

 lanceolate obtuse lobes more or less pubescent within, green at the apex; folli- 

 cle strongly ribbed. — Low thickets, Florida, and northward. July and Aug. — 

 Leaves 2'- 6' long. 



2. G. flavidulus, Chapm. Hirsute ; leaves rouiul-ovate, cordate, abruptly 

 acute ; umbels about as long as the petioles ; corolla yellowish-green, ovate 

 in the bud, the ovate obtuse lobes pubescent without ; follicles armed with soft 

 spines. — Light rich soil, Florida, and northward. — Leaves 4' -6' long. 



3. G. prostratus, Baldw. Stem dividing at the base into many divari- 

 cate branches, G'- 12' long, hairy; lower leaves often reniform, the upper cordate, 

 generally acute, all slightly hairy on both sides, and ciliate ; umbels axillarj', 

 3-flowered ; flowers small, purplish ; petals ovate, obtuse ; follicles oval, smooth. 

 — Sand-hills near the Altamaha River, Georgia, Baldwin. (*) 



Order 104. OLEACEiE. (Olive Family.) 



Trees or shrubs, with opposite entire or pinnate exstipulate leaves, 

 and perfect polygamous or dioecious (lowers. — Calyx 4-toothed. Corolla 

 4-lobed or 4-petalous, valvate in the bud, sometimes wanting. Stamens 

 2-7. Ovary 2-celled, with 2 suspended anatropous ovules in each 

 cell. Style single or none. Fruit 1 - 2-seeded. Embryo straight, in 

 hard albumen. 



Synopsis. 



Tribe I. 01iEIXE.(E. Fruit a drape or berry. Flowers with both calyx and corolla 

 Leaves simple, entire 



1. OLEA. Flowers polygamous. Corolla salver-shaped, with short lobes. 



2. CHIONANTHUS Flowers perfect. Corolla wheel-shaped, with elongated lobes. 



