172 RURIACEyE. (mADDER FAMILY.) 



Tieath ; rvmos rather sliort-pedunclcd, 5-rayc(l ; fruit ovoid, blue. — Swamps, 

 common. April and May. — Shrub 8° - 12° high. 



6. V. dentatum, L. Veins of the leaves beneath with tufted hairs in 

 their axils, other\visc smooth ; leaves round-ovate, slightly cordate, coarsely ser- 

 rate, acute, plicate by the strong impressed veins ; cymes long-pcduncled, 7- 

 raycd ; calyx smooth, with the lobes obtuse ; fruit small, roundish, deep blue. — 

 Rich damp soil, West P'ioiida to Mississippi, and northward. March - May. — 

 A large shrub. 



7. V. scabrellum, Torr. &, Gray. Hairy throughout, and the leaves be- 

 neath stellate-tomcntose ; leaves ovate or roundish, often cordate, or rarely cune- 

 ate at the base, rather obtusely and coarsely serrate, short-pctioled ; calyx-lobes 

 hairy, acute ; corolla hairy ; cymes 7-rayed ; fruit roundish, deep blue. — Swamps 

 or rocky hills, Florida to South Carolina, in the lower districts, and westward. 

 May and June. — Shrub 8° - 12° high. Leaves thick, 1' - 2' long, or sometimes 

 twice that size. 



8. v. pubescens, Pursh. Leaves small, ovate or oblong-ovate, coarsely 

 serrate, hairy above, tomentose beneath, on very short petioles or the uppermost 

 subsessilo ; cymes small, snioothish, 7-rayed; fiuit oblong, black. — Mountains 

 of North Carolina. June. — A shrub 2° - 3° high. Leaves 1 ' - 2' long. 



* * Manjinal /lowers radiant and sterile. 



9. V. lantanoides, Michx. Stem smooth and straggling ; branches, 

 cymes, and lower surface of the round-ovate, cordate, serrate leaves covered 

 with tufted down ; cj-mcs sessile ; fruit ovoid, black. — Deep shades on the 

 mountains of North Carolina. June. — Stem 2° -4° long. Leaves 4'-G' long. 

 Sterile flowers 1' in diameter. 



Ordek 70. RUBIACEJE. (Maduku Family.) 



Herbs, shrubs, or trees. Leaves entire, opposite and united by inter- 

 posed stipules, or whorled. — Calyx-tube adliercnt to the ovary, or (in 

 Loganieae) free ; the limb 4 - 6-toothed or lobcd, or obsolete. Corolla 

 4- 6-lobed, inserted on the throat of the calyx. Stamens 4 - G, inserted 

 on the tube of the corolla, and alternate with its lobes. Ovary 2-10- 

 celled, with 1 - several anatropous or amphitropous ovules in each cell. 

 Style mostlj' solitary. Albumen hard or fleshy. 



Synopsis. 



SunonnFR L COFFEEiE. Ovules and seed solitary in the cellK 

 (except No. 7). Calyx-tube adherent to the ovary. 



( 1. I/cnves whorled. Stipules none. 

 L OAMIJM. Corolla rotate, vnWato In the bud. Fruit 2-collcd. Ilerbn. 



< 2. I.pnvpR opposite ran-ly throe In a whorl, with ptipulo.i intorposcil. 

 • IIitI)H. MnMiro fruit drv. Flowers nxlllary, sinclo or rluf<l<>nMl. 

 2. 8PKHM ACOCK. <,"urpel8 2, oi.e of theui cloauJ by thu partition, tli« other oi)on. Flow«'ni 

 cluntered. 



