ORDER XCIV. LENTIBUr.ARIACE.K. 477 



3. R. ciLio'sA, (Pursh.) Stem erect, branching. Leaves ovate-oblong, 

 ciliate, hairy along the veins. Bracts short ; segments of the calyx 

 subulate, short. — Blue, U- July — Sept. Southern Geo. 1 — 2 ft. 



Dipteracantlms ciliosus, Necs. 



4. R. obloxgifo'lia, (Mich.) Stem erect, obtusely angled, branched 

 or simple, pubescent. Leaves sessile, obovate, obtuse ; lower leavea 

 nearly round. Cali/x with the segments filiform, as long as the tube 

 of the corolla, hispid ; segments of the corolla eraarginate. Capsule 

 suiTounded with a glandular ring. Seed few. — Blue, spotted with yel- 

 low, y. May — Sept. Very common. 1 — 2 feet. 



Calophancs ohlongifolius, Don. 



5. R. humistra'ta, (Mich.) Stem diffuse, glabrous. Leaves on long 

 petioles, obtuse oval. Flowers nearly sessile. Capsule linear. — Blue. 

 11. May — Sept. Sandy pine-barrens. Southern Geo. 



Calophanes humistratus. 



6. R. ciLio'sA, (Le Conte.) Ste7n erect, white-pubescent, hirsute. 

 Leaves oval-oblong, subcrenate, running into a short petiole, hirsute. 

 Flowers subsessile. Calyx bracteolate ; bracts oblong-lanceolate, longer 

 than the calyx ; lobes of the calyx linear, setaceous, hirsute, half the 

 length of the corolla. — East Florida. 



Dipteracanthus 3litcheUianus, Benth, 

 Y. R. TUBiTLo'iiA, (Le Conte.) Hirsute or nearly glabrous. Stem 

 branching. Leaves oblong, entire or undulate, subsessile. Flowers sol- 

 itary, axillary, opposite, peduncles short ; lobes of the calyx linear- 

 lanceolate, one third the length of the corolla. — Georgia and Florida. 



Dipteracanthus noctijiorus, Benth. 



8. R. TUBEUo'sA, (L.) Stem erect, villous. Leaves ovate, cuneate at 

 the base, attenuate into the petiole, entire, crenate or undulate, smooth 

 or pilose ; lobes of the calyx subulate, acuminate, more or less hirsute. 

 — Throughout the South. Cryphlacanthus Barbadensis, Nees. 



Genus III— ELYTRA'RIA. Vahl. 2—1. 

 (From the Greek elutron, an envelope.) 



Calyx 4 — 5-parted, with the front segment bifid. Corolla 

 5-cleft, with the segments nearly equal. Sta)7icns 2, with 2 

 barren filaments. Caj^sule 2-celled, 2-valved, few seeds in each 

 cell. 



1, E. vn^GATA, (Mich.) Stem none. Leaves long, entire, lanceolate, 

 cuneate at the base, scabrous on the upper surface, slightly undulate ; 

 scape covered with ovate, amplexicaul scales. Flowers in dense sjiikca. 

 Bracts inclosing the flowers rigid ; scales 2 at the base of the calyx, pu- 

 Descent. Calyx pubescent. — If. May — June. Damp pine-barrens. 

 1—2 feet. 



Order XCIV.— LENTIBULARIA'CE^ [Balterwort 

 Famihj.) 



Calyx divided, persistent, liypogynous. Corolla irregular, 

 bilabiate, spurred. Stamens 2, included within the corolla. 

 Anthers simple, 1 -celled. Ovary 1 -celled. Style 1, short. 



