TURNERACE^. (tURNERA FAMILY.) 167 



indefinite, in several parcels, inserted with the petals. Styles united. 

 Capsule ii'regularly dehiscent. Seeds few or many, borne ou 3-5 

 parietal placentje, commonly with scanty albumen. 



1. MENTZELIA, Plum. 



Calyx tube cylindrical or club-shaped. Petals convolute in the bud. 

 Stamens commonly 30 or more, the exterior ones often dilated and sterile. 

 Styles 3, united to the middle. Capsule 3-valved at the summit, with 3 

 parietal placenta. Cotyledons broad and flat. — Stems branching. Leaves 

 toothed or .sinuate-pinnatifid. Flower.s yellow. 



1. M. Floridana, Xutt. Leaves deltoid-ovate, toothed, truncate and 2- 

 lobed at the ba.-;o ; stamens about 30; capsule 6-seeded. — South Florida. — 

 Stem trailing, 2^- 6° long. Flowers small, golden-yellow. 



Order 62. TURNERACEiE. (Turner a Family.) 



Herbs or shrubs, with alternate simple exstipulate leaves, and soli- 

 tary axillary flowers. — Calyx free from the 1-celled ovary, colored, 

 5-lobed, deciduous. Petals 5, inserted on the throat of the caljTc, con 

 volute in the bud. Stamens 5, inserted on the tube of the calyx be- 

 low the petals. Styles 3, distinct, simple, 2-cleft or 2-parted. Stigmas 

 3 or 0, many-parted. Placentae 3, parietal. Capsule loculicidally 3- 

 valved, many-seeded. Seeds anatropous, arilled. Embryo in fleshy 

 albumen. — Flowers sessile, or on bracted or jointed pedicels. 



1. PIRIQUETA, Aublet. 



Calyx campanulate. Styles 3, 2-cleft or deej)ly 2parted. Stigmas 6, 

 many-parted. Capsule opening to the base into 3 valves. — Herbs with stel- 

 late pubescence. Flowers on jointed pedicels, yellow. 



L P. Caroliniana. Hirsute with fulvous hairs, and stellate-tomentose ; 

 stem simple or sparingly branched ; leaves lanceolate, obtuse, mostly serrate 

 or toothed, nearly sessile ; pedicels (at least the upper ones) longer than the 

 leaves, often bibracteolate ; petals ol)ovate ; styles 2-parted. (Turnera cis- 

 toides, Ell.) — Dry light soil, Florida to North Carolina. June -July. 2/ 

 — Stem 1^ high. Leaves 2' -3' long, the lowest ones broader. 



2. P, tomentosa, HBK. Stellate-tomentose throughout ; stem simple ; 

 leaves nearlv sessile, oblong, acute or obtuse, obscurely crenate, hoary beneath ; 

 pedicels shorter than the leaves. — South Florida. — Stem 1^ high. Leaves 

 rather rigid, 1' long. 



3. P. glabra, Chapm. Stem slender, branching, smooth ; leaves smooth, 

 linear, entire, the floral ones small and liract-like ; pedicels several times longer 

 than the leaves, and, like tlie calyx, stellate-tomentose ; petals spatulate ; styles 

 2-cleft. (Turnera glabra, DC. ?) — South Florida. — Stem 1°- 2° high. Leaves 

 2' long. Flowers 1' in diameter. 



