3C8 



OI.KACEJE. (OLIVE FAMILY.) 



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

 umbels. 



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

 sessile, oblong, mucronate, rounded at the base ; peduncles stout, 8 - 12-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 ; haves 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, Miehx. 



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

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

 Gynostegium flattened, depressed. Anthers opening transversely. Pollen- 

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

 Seeds comosc. — Twining herbs, with opposite petiolatc cordate leaves, and yel- 

 lowish or purplish flowers, in lateral corymbs or umbels. 



1. G. macrophyllllS, Miehx. Hairy; leaves oblong-ovate, cordate, 

 abruptly acuminate ; umbels ped uncled, 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 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. 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 ciliatc ; umbels axillary, 

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

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



Order 104. OL.EACE7E. (Olive Family.) 



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

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

 4-lobed Or 4-petal0US, valvate in the bud, sometimes wauling. Stamens 

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

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



hard albumen. 



Synopsis. 



Trice 1. OL.EIYE/E. Fruit ■ drupe or herry. Flower* with both calyx «&d corolla 

 Leaves riflpple, entire 



l. OLKA. fiow.ts polygamous. Corolla aalver-abafMdi with short lobe* 



1 0HIONANTH1 B Mower.- perfect. Corolla wheel -shaped, with elongated lobes. 



