ORDER LXXXV. HYDROPHYLLACE.E. 443 



clefl much shorter than the petioles ; lobes of the calyx linear ; sinuses 

 of the calyx naked; filaments longer than the corolla. — White. If. 

 Mountains. 



Genus II.— PHACE'LIA. Juss. 5—1. (Cos?nanthus, Nblte.) 

 (From phakelos, a bundle.) 



Calyx 5-cleft. Corolla 5-cleft, sub-campanulate, with 5 nec- 

 tariferous grooves on the inside. Stamens 5, exserted. Style 

 filiform. Stigmas 2. Capsule 2-cellecl, 2-valved, 4-seeded. 



1. P. ftmbria'ta, (Pursh.) Stem assurgent, hispid. Leaves -pinnsiiiiid, 

 with undivided lobes. Flowers in simple, terminal racemes, revolute 

 before flowering, afterward erect ; segments of the corolla fimbriate. 

 — Blue. 2£. May — June. Common around Macon. 6 — 10 inches. 



Cosmanthus jimbriatus, Nolte. 



Genus III.— DIAPEN'SIA. L. 5—1. 



(From diapente, 5-cleft.) 



Calyx 5-parted, bracteate, fringed. Corolla salver-form, 

 with a short tube. Stem creeping, with short assurgent 

 branches. 



1. D. Barbula'ta, (Ell.) Leaves lanceolate, cuneate, acute, pubes- 

 cent at the base, upper ones crowded. Flowers at the extremities of 

 the branches, solitary. Anthers beaked. — White. %. June — Aug. 

 Mountains. 



Genus IV.— HYDRO'LEA. L. 5—2. 



(From hudor, water, and e laia, oil.) 



Calyx 5-parted or 5-leaved. Corolla campanulate, with the 

 limb 5-parted. Stamens 5 ; filaments inserted into the tube of 

 the corolla, dilated at the base. Capsule 2-celled. Seeds numerous. 



1. H. quadrival'vis, (Walt.) Stem decumbent, assurgent, hairy, ge- 

 niculate, spiny Leaves cuneate, lanceolate, alternate, entire, hairy 

 along the veins. Flowers in axillary clusters, nearly sessile. Calyx 5- 

 partfcd, hairy, with subulate segments. Corolla pubescent, with acute 

 segments. Capsule globose. Seeds numerous, oval. — Blue. 2£. July 

 — Sept. Around ponds. 1 — 2 feet. 



2 H. corymbo'sa, (Mar.) Stem erect, or assurgent toward the sum- 

 mit, without spines. Leaves lanceolate, sessile, with the veins and mar- 

 gins pubescent. Flowers solitary, on the extremities of the small 

 branches, somewhat corymbose. Calyx with the segments acute, 

 hairy. Corolla campanulate, with ovate segments, with yellowish 

 veins, and white spots near the base. Capsule globose, glabrous. — 

 Blue. 21. Through the summer. In pint-barren ponds. 1 — 2 feet. 



Genus V.— NEMOPH'ILA. BartoD, 5—1. 

 (From nemos, a grove, anAphileo, to love; growing in shady places.) 



Calyx deeply 5-parted, with 5 small reflexed interlobes, ciiiate ; 

 lobes lanceolate, 3-nerved. Corolla campanulate, twice as long 



