666 OHDER 91.— HYDROPHTLLACE^. 



2 P. hirsuta Nutt? Erect, branching, sparingly Wr.s«Je ; Ivs. pinnatifid, 5 to 7- 

 hhed, the lower petiolate, almost pinnate, upper sessile, lobes oblong, aoutisb, those 

 of the radical Ivs. rounded ; rac. simple, terminal, 9 to 16-flowered, pedicels twioa 

 longer than the Jinear-oblong brisUy-cUiale sepals. — A more delicate species, on 

 Stone Mt. Ga. and Ark. Sts. smoothish, 6 to 12' high, sparingly leafy. Cor. 7" 

 broad, violet blue, 10-spotted around the yellowish throat. Grooves obscurely 

 bordered. Stam.. not longer than cor. May, Jn. 



3 P. parviflora Ph. Sts. weak, smoothish, procumhent, subaimple ; Ivs. oM petiolate, 

 the lowest elongated, with roundish, remote, stalked leaflets, the upper with dis- 

 tant oilong-lanceolaie, entire, acute segm. ; rac. simple, loose, terminal, 6 to 1 2- 

 flowered ; pedicels at length twice longer than the oblong-spatulate, smoothisli 

 sepals ; fls. small — @ Shaded banks, Ponn. to Ga. Plant diffuse, ascending, 6 to 

 10' long. Lvs. with their petioles 1 to 3' long, lobes distant, small. Fls. pale 

 blue, 4 ' wide. Apr., May. 



4 P. congeata Hook. Downy-canescent ; lvs. pinnate, Ifts. alternate, very 

 unequal, some sessile, others petioled, all ineisely lobed, tlio terminal confluent; 

 rac. corymbous ; sep. lance-linear; cor. campanulate, twice longer than the calyx ; 

 stam. exserted. — "J) Herb a foot high, in gardens, with numerous bright blue fls. 

 f Texas. 



5. EUTO^CA, E. Br. Calyx 5-partcd; cor. deciduous, o-lobed, imbri- 

 cate in bud ; nectary-groovos ; fiiani. exserted, with minute scales at 

 base ; style half 2-cleft ; ovary hairy above, lialf-2-cellcd, 4 — oo-seeded, 

 — 3) Lvs. hairy, pinnately lobed or entire. 



1 B. visoida Benth. Glandular-pilous, viscid, branched, suberoct ; lvs. peti- 

 olate, ovate, coarsely, and unequally dentate or lobed ; racemes soorpoid, at lenglli 

 elongated ; sep. linear, a third as long as the tubular-campanulate, deep blue corolla ; 

 seeds oo. — Gardens. If high. Fls. near 1' long. -I" California. 

 ^ 2 B. Frankliuii Br. Pubescent, simple, erect ; root-lvs. crowded, caulmo alter- 

 nate, all pinnatifid, lobes 5 — 1 ; rac. short, spike-like, cor. blue, spreading-campan- 

 ulate, a third longer than the calyx; seeds oo. — Gardens. Fls. numerous. Cali- 

 fornia. 



6. COSfflAN'THUS, Noltc. Miami Mist. (Gr. Koajioc, elegance, 

 avdog, a flower.) Calyx 5-partcd ; cor. broadly campanulate, caducous, 

 5-oleft, tube without appendages; sta. 5, about equaling the (fringed) 

 corolla; nectary minute ; ova. hairy except at base, 1 -celled; sty. bifid; 

 caps. 2-valved, valves septifcroiis in the middle; seeds 4, rugulous. — (ii 

 Delicate herbs, with alternate lvs. Eac. long, bractless. Fls. small, 

 white or pale blue. 



1 C. Ptirshii. Nearly glabrous; lower lvs. petiolate, pinnatifid, segments few, 

 entire, ovate, terminal one largest, upper lvs. sessile, pectinately pinnatifid, with 5 

 to 1 oblong, acute, lobes ; rac. terminal, simple, 9 to 1 5-flo wered ; pedicels longer 

 than the lance-linear sepals. — Fields and river bottoms, Penu. to Ga., W. to la. 

 and Ky. Plant 8 — 12' high, with slender branches. Eadical leaves with obtuse 

 lobes, mostly shorter than the petiole. Cor. delicately fringed, light blue, 5 to 6 ' 

 broad, spreading. May, Jn. (C. flmbriatus Nolte. Phaceha fimbriata Ph. not 

 Mx. P. Purshii Buckley.) 

 2. C fimbriatus Mx. Much branched from the base, pubescent ; sts. slender, 

 assurgent ; lower lvs. petiolate, pinnate, with roundish segments, upper sessUo, 

 cleft into 5 to 7 oblong, obtuse lobes; rac. terminal, simple, D to 12-flowered; pedi- 

 cels about as long as the oblong-spatulate, obtuse sepals. — Mts. Va., Tenn. (Miss 

 Dana), to Ga. Sts. 4 to 8' long. Fls. white, delicately fringed, 4 to 5'' diara. 

 May. 



6. HYDRO^LEA, L. (Gr. vdup, water, eXaia, oil ; " a viscid (oily) 

 Vater plant.") Calyx 5-sepaled, persistent ; corolla rotate-cam panulatc, 

 G-lobed ; stamens 5, adherent to the corolla tube ; styles 2, stigma.s 

 capitate-depressed ; capsule 2-celled, 2-valved, the large, fungous pla- 



