368 OLE.U K.K. (olive family.) 



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

 umbels. 



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

 bi ssile, oblong, mncronate, rounded at the base ; peduncles stout, 8 - 12-flowered, 



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

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

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



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



8. GONOLOBUS, Michx. 



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

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

 Gynostegium flattened, depressed. Anthers opening transversely, l'ollcn- 

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

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

 Iowish or purplish flowers, in lateral corymbs or umbels. 



1. G. macrophyllllS, 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, Chapni. Hirsute; leaves round-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. pi'OStratus, Baldw. Stem dividing at the base into many divari- 

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

 generally acute, all slightly hairy on both Bides, and eiliate; umbels axillary, 

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



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



Order 104. OEEACEiE. (Olive Family.) 



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

 ami perfect polygamous or dioecious flowers. ■ • Calyx 4-toothed. Corolla 



4-lobed or 4-petak>US, valvule in tin' laid, sometimes wanting. Stamens 

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

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



hard albumen. 



Synopsis. 



Twne T. oi.l'iM'.T.. tn.it ; , ,tm| r berry. Flowers with both calyx and oorolla 



Lmtm simple, entire 



1. in, KA. Plo Corolla salver-ahaped, with short Iobei. 



2. CHIONANTHI S Plowei i» rfeel Corolla wheel shaped, with elongated lobe*. 



