240 



THE FLORA. 



Order LXXXY. LOGANIACE.E. 



Eerls or shruds witli opposite leaves, with the 



stipules small or mere ridges connecting the base of the petioles ; 



flowers 4 or 5-parted, gamopetalous, regular ; 



ovary free ; fruit 2-celled, many-seeded, or few-seeded. 



Analysis of the Genera. 



% Corolla tubular, lobes 5, valvate in the bud a 



§ Corolla bell-shaped, lobes 4 or 5, imbricate in the bud b 



a Styles wholly united into 1. Corolla tube long. W. S. Spige'lia. 1 



a Styles distinct, with the stigmas united. Fls. small, white. S. Mitre'ola. 



b Flowers 4-parted. Diffuse, low herbs. M. S. Fulyprenum. Polypre''mum. 



b Flowers 5-parted. Slender climbing slirubs. S. Gelsem'inum. 2 



1. SPIGE'LIA. Pink-root. 



Calyx segments linear-subulate. Corolla narrowly funnel-form. Stamens 

 5. Capsule 2-celled, few seeded. — Herbs with the flowers sessile in a 

 terminal one-sided coiled spike. 



S, Maryland'ica. Maryland P. Stem square, erect. Leaves sessile, ovate-lanceo- 

 late. Corolla 4 or 5 times longer than the calyx, scarlet. Jane. 



Fig. 568. Spigelia ; the spike uncoils as the flowers open. Fig. 564. A flower, natural filzft 



