308 VKUur.NACE.i:. (vkhvaix iamilv.) 



3. STACHYTARPHA, Vulil. 



Ciilyx tiil)iiliir, coni pressed, 5-tootlii(l. Corolla salvci-shnpod, 5-cleft, hairy 

 in the throat. Stamens 4, didyiianious, the u|)per jjair sterile. Ovury 2-eclled. 

 Stijjma capitate. Fruit of two 1-cellcd 1-secded nutlets. — Herbs or shrubs, with 

 4-anj;led forkin"; stems, and opposite undivided leaves. Flowers in straiglit and 

 rif-id sjiikes, imbedded in exeavations of the tliiekened rachis, and covered by 

 the imbrii-ated bracts. 



1. S. Jamaicensis, Valil. Ikrhaceous, smootliish ; stems ascending; 

 leaves oblong, coarsely serrate, tapering into a slender margined petiole; spikes 

 linear, terete, elongated ; bracts lanceolate, acuminate, appressed, with scarious 

 rough margins ; flowers small, blue. — South Florida. — Leaves 2' - 4' long. 

 Spikes 8'- 12' long. 



4. LIPPIA, L. 



Calyx tubular, membranaceous, 2-4-toothed. Corolla tubular-funnel-shaped, 

 somewliat bilabiate^ 5-cleft. Stamens 4, didynamous, included. Ovary 2-cellcd, 

 2-ovuled. Style short: stigma obliquely capitate. P^-uit of two 1 -seeded sepa- 

 rable nutlets. — Herbs, with 4-angled stems, opposite or whorled simple leaves, 

 and snuiU flowers in dense spikes or heads. 



1. L. nodiflora, Michx. Stem creeping, finely pubescent, the flowering 

 brandies erect ; leaves obovatc, oblong, or lanceolate, rough, tapering and entire 

 below the middle, serrate above ; heads dense, globose in flower, oblong or 

 cylindrical in fruit, on axillary i)eduncles which are 2-3 times as long as the 

 leaves; flowers white or purple. (Zapania nodiflora, Iaiiii.) — Damp sandy 

 soil near the coast, Florida to Mississippi, and northward. May - Sept. — 

 Flowering stems 6'- 12' high. Leaves 1' long. 



5. LANTANA, L. 



Calyx minute, slightly 4-toothed. Corolla bilabiate ; the upper lip notched 

 or entire ; the lower 3-lobed. Stamens 4, didynamous, included. Style short : 

 stigma oblique. Fruit fleshy or berry-like, of two mostly rugose or tuberculate 

 1-seeded nutlets, enclosed in the enlarged mcmi)ranaceous calyx. — Shrubs, with 

 simple rugose serrate leaves, and axillary piduncled capitate bracted flowers. 



1. L. involucrata, L. Var. Floridana. Stem much branched, pu- 

 bescent; leaves small (i'- 1'), oval or obovate, crenate, rounded at the apex, 

 densely pubescent when young, at length rough above, contracted into a slender 

 petiole; peduncles 2-3 times as long as the leaves, the upper ones corymbose; 

 heads small; bracts ovate, as long as the tube of the small (2" -3") white? 

 corolla ; the outer ones empty and narrower, involucrate. — South Florida. 



2. L. Camara, L. Stem pubescent, hirsute, or spiny ; leaves ovate- 

 oblong, acuminate, crenate, short-petioled, very rough above, pubescent beneath; 

 peduncles as long as the leaves ; bracts lanceolate, half as long as the tube of the 

 yellow corolla; involucre none. — St. Mary's, Georgia, £'///o«. June -Nov. — 

 Shrub 2° - 4° high. Leaves 2' long. 



