566 Order 91.— HTDROPHYLLACE^. 



2 P. birsuta Nutt? Erect, branching, sparingly Jiw-sufe ; hs. pinnatifid, h io 1- 

 lobed, the lower petiolate, almost pinnate, upper sessile, lobes oblong, aoutish, those 

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

 longer than the linear-oblong brisUy-cUiaie sepals. — A more delicate species, on 

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

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

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



3 P. parviflora Ph. Sis. weak, smoothish,, procmnbent, Bubsimple; Ivs. all pdMaie, 

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

 iant ohlong-lanceolate, entire, acute segm. ; rac. simple, loose, terminal, 6 to 12- 

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

 sepals ; fls. small. — (g) Shaded banks, Penn. to Ga. Plant dMfuse, 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. congesta Hook. Downy-oanescent ; lvs. pinnate, Ms. alternate, very 

 unequal, some sessile, others petioled, all incisely lobed, the terminal confluent ; 

 rac. oorymbous ; 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-parted; cor. deciduous, 5-Iobed, imbri- 

 cate in bud ; nectary-grooves ; filam. exserted, v?ith minute scales at 

 base ; style half 2-cleft ; ovary hairy above, half-2-celIed, 4 — oo-seeded. 

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



1 E. viscida Benth. Glandular-pilous, viscid, branched, subereot ; lvs. peti- 

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

 elongated ; sep. linear, a third as long as the tubular-campanulaie, deep blue coroUa; 

 seeds oo. — Gardens. If high. Pis. near 1' long, f California. 



2 B. Franklinii Br. Pubescent, simple, erect ; root-lvs. crowded, oauline alter- 

 nate, all pinnatifid, lobes 5 — 7 ; rac. short, spike-like, cor. blue, spreading-campa/Or 

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

 fornia. 



6. COSfflAK'THUS, Noltc. Miami Mist. (Gr. Koofiog, elegance, 

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

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

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

 caps. 2-valved, valves septiferous in the middle; seeds 4, rugulous. — ® 

 Delicate 'herbs, with alternate lvs. Eac. long, bractlcss. Fls. small, 

 white or pale blue. 



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

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

 to 7 oblong, acute, lobes; rac. terminal, simple, 9 to 15-flowered; pedicels longer 

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

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

 lohes, mostly shorter than the petiole. Cor. delicately fringed, light ^lue, 5 to 6" 

 broad, spreading. May, Jn. (0. flmbriatus Nolte. Phacelia fimbriata Ph. not 

 Mx. P. Purshii Buckley.) 



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

 assurgeiit ; lower lvs. petiolate, pinnate, with roundish segments, upper sessile, 

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

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

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

 May. 



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

 Water plant.") Calyx 5-sepaled, persistent ; corolla rotate-campanuijate, 

 5-Iobed ; stamens 5, adherent to the corolla tube ; styles 2, stigmas 

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



