ORDER LXXXV. IIYDR0PHYLLACEJ2. 443 



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

 of the calyx uaked ; filaments longer than the corolla. — White. 2^. 

 Mountains. 



Genus II.— PHACE'LIA. Juss. 5—1. (Cosmanthus, Nolte.) 

 (From pitakelos, a bundle.) 



Cali/x 5-cleft. Corolla 5-cleft, sub-campanulate, with 5 nec- 

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

 filiform. Stigmas 2. Cai^siilc 2-celled, 2-valved, 4-seeded. 



1. P. fimbria'ta, (Pursh.) Stem assurgent, hispid. Leaves pinnatifid, 

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

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

 — Blue. If. May — June. Common around Macon. 6 — 10 inches. 



Cosmanthus fimbriatus, 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, cuneatc, acute, pubes- 

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

 the branches, solitaiy. Anthers beaked. — White. 2^. June — Aug. 

 Mountains. 



Genus IV.— IIYDRO'LEA. L. 5—2. 



(From hudor, water, and elaia, oil.) 



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

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

 the corolla, dihited at the base. Capsule 2-ceIled. Seeds numerous. 



1. H. quadrh^al'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- 

 partud, hairy, with subulate segments. Corolla ])ubescent, with acute 

 segments. Capsxde globose. Seeds numerous, oval. — Blue. If. 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 soHtary, on tin; extremities of the small 

 branches, somewhat corymboSi\ Calyx with tiie segments acute, 

 hairy. Corolla campamilate, with ovate segments^, with yellowish 

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

 Blue. 2^. Through the summer. In pine-barren ponds. 1 — 2 feet. 



Genus V.— NEMOPH'ILA. Barton, 5—1. 

 (From nemos, a grove, a,n(l pkileo, to love; growing in shady places.) 

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

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



