146 TURNERACEH. (TURNERA FAMILY.) 
than the pedicels ; calyx flattish ; petals obtusely rhomboidal ; fruit hirsute.— 
Mountains of North Carolina. April and May. (*) 
ORDER 58. LOASACEZE. (Loasa Famiry.) 
Herbs, commonly armed with bristly barbed and stinging hairs. Leaves 
alternate, exstipulate. Flowers solitary or clustered. — Calyx-tube ad- 
herent to the 1-celled ovary, the limb 5-parted and persistent. Petals 5 
or 10, inserted on the throat of the calyx. Stamens mostly indefinite, in 
several parcels, inserted with the petals. Styles united. Capsule irregu- — 
larly dehiscent. Seeds few or many, borne on 3—5 parietal placente, 
commonly with scanty albumen. 
ij 
1. MENTZELIA, Plum. 
Calyx-tube cylindrical or club-shaped. Petals convolute in the bud. Sta- 
mens 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 pla- 
centz. Cotyledons broad and flat. — Stems branching. Leaves toothed or 
sinuate-pinnatifid. Flowers yellow. 
1. M. Floridana, Nutt. Leaves deltoid-ovate, toothed, truncate and 2 
lobed at the base; stamens about 30; capsule 6-seeded. — South Florida. — 
Stem 1° high, Flowers small, Pain yelluw: 
Onprn 59. TURNERACEZE. (TunNERA Family.) 
Herbs or shrubs, with alternate simple exstipulate leaves, and solitary 
axillary flowers. — Calyx free from the 1-celled ovary, colored, 5-lobed, 
deciduous. Petals 5, inserted on the throat of the calyx, convolute iD — 
the bud. Stamens 5, inserted into the tube of the calyx below the sta- 
mens. Styles 3, distinct, simple, 2-cleft or 2-parted. Stigmas 3 or 6, 
many-parted. Placente 3, parietal. Capsule loculicidally 3-valved, 
many-seeded. Seeds anatropous, arilled. Embryo in fleshy PIECE 
viet sessile, or on bracted or jointed pedicels. 
1. PIRIQUETA, Aublet. ' 
iy camp Styles 3, 2-cleft or deeply 2-parted. Stigmas 6, many —— — 
P eee the base into 3 valves, — Herbs viet m o 
F on jointed pedicels, yellow. i 
AE d P. fulva. Hirsute with fulvous hois, wid: Kiliasesoibininié d stem 
ngly branched; leaves lanceolate, ‘obtuse, mostly serrate 
