Oedeb 95.— GBNTIANAOB^. 586 



a Flowers aolitary, termiDal, blue or white. No. 4 



a Flowers clTiatered, — ^yellowisli or cream-white Nos. 5, € 



— blue, — never opening; the folds as long a3 segments. No. 7 



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



1 G. qninquefldra L. St. 4-angled, branching; Ivs. ovate-lanceolate, acute, 

 3-vemed ; fls. terminal and axillary, dboul in 6s, pedicellate ; cor. tubular-campan- 

 ulate, witli 5 lanceolate, setaceovsly acuminate segments; cal. very short, segm. 

 subulate-linear. @ "Woods and pastures Can. and XJ. S. Stem a foot high, smooth, 

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

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

 the sepals. Sept., Oct. 



/3. PABVIFLORA. Cal. enlarged, lobes foliaceous, lance-linear, half as long as 

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



2 G. crinita FrcElioh. Blue Peinged Gentian. St. terete, erect ; Ivs. lanceolate, 

 acute ; fls. tetramerous ; cor. segm, conspicuoitsly fringe-cUiate. — 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 J as wide. Calyx square, segm. acuminate, equaling 

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

 finely fringed at the margm. Aug. — ^A beautiful and interesting plant. 



8 G. detdnsa L. St. nearly strict, suuple or branched ; Ivs. linear and lance-linear, 

 the lowest rosulate, spatulate ; ped. 1 -flowered, very long, subsolitary ; cal. 4 ( — 5)- 

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

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

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

 Stem a foot high. Leaves 1 — 2J' by 1 — 3", tapering to an acute ppint. Pedun- 

 cles 4 — 1' long, each with a single large, erect, showy flower. Cor. 15 — 20" long, 

 obconic or bell-shaped, blue. 



4 G. angustifolia ilx. St. erect, slender, 1-flowered ; fls. pedunculate ; Ivs. lin- 

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

 5-cleft, twice as long as the calyx, lobes ovate-oblong, obtuse, twice as long a« 

 the lacerate folds. — If N. J. to i?la. in sandy fields. Stem a foot high. Lva. 1' • 

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

 Sept., Oct. — A variety at the South (Quincy, Fla., Dr. Daualsou) has white fla 

 18" long. 



5 G. oohroleiioa Proel. Sts. nearly or quite smooth, simple, terete ; fls. sessile, 

 clustered at summit, rarely in one or two of the upper axils ; Ivs. oval-lanceolatt, 

 the highest lanceolate, lowest obovate-lanceolate, all ncm-owed to Hie sessile base, 

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

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

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

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



6 G. dlba Muhl. (Gray). Very smooth ; st. stout, erect ; fls. densely clustered 

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

 Jialf clasping at tlie hroad base, gradually acuminate, 3-veined ; cal. segm. ovate, 

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

 "Woods andiprairies, Middle, "W. and S. States. St. 1 to 2f high. Lva. 3 to 4' by 

 1' to 18". Cor. 30" long, the ovate lobes much longer than the jagged appendages 

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



7 G. Andrevirsii Griseb. Closed Blub Gentian. Lvs. oval-lanceolate, 3-veined, 

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

 at top, 10-cleft, the inner segments plicate and fringed, equahng the exterior; caL 

 segm. ovate-oblong, many tunes shorter than the deep blue coroUa. — 2| Brit. Am. 

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

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

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

 Bubsessile, 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., &o.) 



