Ordeb 95.— -GENTIAN ACE^E. 58«f 



jv Flowers solitary, terminal, hluo or white. . .. ....No. 4 



H Flowers clustered, — yellowish or cream-white Nos. 5, 6 



— blue, — never opening; the folds as long as segments No. 7 



— opening; the folds shorter than segments. Nos. 8, 9 



1 G. quinqueflora L. St Wangled, branching; lvs. ovate-lanceolate, acute, 

 3-veiued; Jh. terminal and axillary, about in 5s, pedicellate; cor. tubular-campan- 

 u'.ata, with 5 lanceolate, setaceously acuminate segments; caL very short, segm. 

 .subulate-linear. @ Woods and pastures Can. and U. 8. Stem a foot high, smooth, 

 generally branched. Leaves 3 — 5-veined, half-clasping, acute, smooth. Fls. 

 small, en pedicels half an inch in length. Corolla pale blue, 4 times as long as 

 the sepals. Sept., Oct 



p. parvifloiia. CaL enlarged, lobes foliaceous, lance-linear, half as long as 

 the smallish corolla. — This variety prevails in the W. States. 



2 G. ■crinita Frcelicli. Blue Fringed Gentian. St. terete, erect ; lvs. lanceolate, 

 acute; lis. tetrainerous; -cor. segm. consjneuously fringe-ciliaie. — Not uncommon 

 in cool, low grounds. Can. to Car. Stem If high, round and smooth. Branches 

 long, with a, slight curve at base, becoming erect and straight, each bearing a 

 single, large, erect flower at the leafless top. Leaves broadest at base, tapering 

 to the apex, 1 — 2' long and \ as wide. Calyx square, segm. acuminate, equaling 

 the tube of the •corolla. Cor. of a bright bluish-purple, tho segments obovate, 

 finely fringed at tho margin. Aug. — A beautiful and interesting plant. 



3 G. detonsa L. St nearly strict, simple or branched:; lvs. linear and lance-linear, 

 the lowest josulate,.spatulato; ped. 1-flewered, very long subsolitary; cal. 4 ( — 5)- 

 elefi, lobes ovate and lanceolate, nearly equaling the corolla; cor. lobes roundish- 

 obtuse, ciliate at the sides, erenate at top, erect-spreading; stig. distinct. — N. Y., 

 Wis. (Lapharn) N. to Hudson's Bay. A fine species, with large blue flowers. 

 Stem a foot high. Lcnves 1 — 1\' by 1 — 3",. tapering to an acute point. Pedun- 

 cles 4 — 7' long, each with a single large, erect, showy flower. Cor. 15 — 20" long, 

 obconie or bell-shaped, blue. 



4 G. angustifolia Mx. St erect, slender, 1-fiowered; fls. pedunculate ; lvs. lin- 

 ear obtuse, smooth, the lower ones subeuneate; cor. funnel-form, narrow, open, 

 C-cleft, twice as long as the calyx, lobes ovate-oblong, obtuse, twice as long aa 

 the lacerate ,folds- — U N. J. to Fla. in sandy fields. Stem a foot higlL Lvs. 1' 

 long. Flower large, sky-blue, 20" long. Calyx deeply cleft, with linear segm. 

 Sept., Oct. — A variety at the South (Quincy, Fla., Dr. Danalson) has whito lis. 

 ■18'' long. 



5 G. ochroleuca FrocL Sts. nearly or quite smooth, simple, terete; fls. sessile, 

 ■clustered at summit, rarely in one or two of the upper axils; lvs. oval- lanceolate, 

 the highest lanceolate, lowest obovate-lanceolate, all narrowed to ike -sessile base, 

 obscurely 3-nerved, rather acute; caL segm. lance-linear, a third longer than the 

 tube, nearly -as long as the greenish-white, open corolla. — Va. to Fla. frequent. Sts. 

 about If high. Lvs. much longer than the internodes. Cor. 2' long, with green 

 veins and purple stripes, lobes ovate, folds very short Sept, Oct. 



6 G. alba MuhL (Gray). Very smooth; st stout, erect; fls. densely clusterel 

 at the summit, solitary in one or two axils; lvs. ovate-lanceolate, or lanceolate, 

 half clasping at the broad base, gradually acuminate, 3-veined; cal. segm. ovate, 

 muck shorter than its bell-shaped tube, 4 times shorter than the cream-white corolla. 

 Woods and prairies, Middle, W. and S. States. St 1 to 2f high. Lvs. 3 to 4' by 

 1* to 18". Cor. 30" long, the ovate lobes-much longer than the jagged appendage* 

 or folds, open but connivent. Jl. — Sept. ,(G. ochrolenca Griseb. &c.) 



"7 G. Andre wsii Griseb. Closed Blue Gentian. Lvs. oval-lanceolate, 3-veined, 

 acute ; fls. in whorled heads, sessile cor. ventrieous, clavate-campanulate, closed 



. at top, 10-cleft, the inner segments pJicate and fringed, equaling the exterior; caL 

 .Begm. ovate-oblong, many times shorter than the deep blue corolla — If Brit Am. 

 to Car. A handsome plant, conspicuous in meadows and by brook-sides. Stem 

 12 — to 18' high, simple, erect, smooth, with opposite, smooth leaves, scabrous on 

 the margin, resembling those of the common Soapwort Flowers erect, 18" long, 

 subsessale, inflated, so nearly closed at the top as to be easily mistaken for buds ; 

 and the young- botanist waits in vain to see them expand. Sept, Oct (G. Sap- 

 onaria, 2d. edit, Jcc.) 



