444: ORDER LXXXVI. CONYOLVULACE^. 



as the calyx, glabrous. Stamens 5, inserted into the tube of 

 the corolla, shorter than the corolla ; pollen somewhat angular. 

 Ovarium 1-celled, 1 — 2-seeded. 



1. N. evaneb'cens. Stem 3 — i inches high, succulent, angular, hairy 

 on the angles; several stems from the same root. Leaves alter- 

 nate, ciliate, variously lobed ; lobes obtuse, usually mucronate and 

 dentate ; petiole triangular. Flowers opposite the leaves, solitary. 

 Grows in rich, damp soil. Springs up in February, blooms in March, 

 and dies in June. — White. On the Ocmulgee. 



Genus VI.— ELLIS'IA. 5—1. 

 (In honor of John Ellis, a botanist.) 



Calyx 5-parted. Corolla funnel-form, 5-cleft, smaller than 

 the calyx. Capsule 2-celled, 2-valved, each cell 2-seeded. 

 Herbaceous, annual plants, dichotomously branched ; leaves 

 pinnatifid. 



1. E. microca'lyx. Stem glabrous, decumbent. Leaves lyrate, pin- 

 natifid ; segments 3 — 5, lateral ones oblique, deeply toothed, middle 

 ones trifid and obtuse. Flowers solitary, small. — Alluvial grounds. 

 Ala. 4 — 6 inches. 



Order LXXXVI.— CONVOLVULA'CE^E. (Bind-weed 

 Family.) 



Calyx 5-parted, persistent. Corolla hypogynous, regular, 5- 

 lobed, deciduous, plaited. Stamens 5, inserted into the base of 

 the corolla, alternate with its segments. Ovary 2 — 4-celIed, 

 Occasionally 1-celled ; ovules few, erect. Style 1, usually bifid, 

 sometimes separated to the base. Capsule 1 — 4-celled. Seeds 

 borne at the base of the placentae. Herbs or shrubs, usually 

 twining. Leaves alternate, exstipulate. 



Genus L— CONVOLVULUS. L. 5—1. 



(From convolvere, to entwine.) . 



Calyx 5-parted, sometimes bracteolate. Corolla funnel-form 

 or campanulate, plaited, with 5 segments. Stamens 5, shorter 

 than the limb. Ovary 2 — 3-celled, few-seeded. Stigmas 2. 

 Style undivided. 



1. C. tenel'lus, (L.) Stem prostrate, branching at the base, hairy. 

 Leaves on short petioles, elliptic, mucronate, slightly cordate, entire, 

 somewhat hairy ; peduncles axillary, bearing several flowers, longer 

 than the leaves ; bracts 2, at the summit of the peduncle. Calyx 5- 

 kaved, acuminate, ciliate. Corolla small, externally hairy, with the 

 margin obscurely 10-toothed ; filaments 5, villous. Anthers sagittate. 

 Style deeply cleft. Capsule hairy, 4-celled. — White. If. June — Aug. 

 Common. 



