236 GENTIANACE^. 



ovate-lanceolate, sessile, acute or acuminate, the margin and nerves rough, 

 hairy ; lobes of the corolla four times as long as the calyx ; anthers exserted. 

 Woods. Penn and Md. to Flor. W. to Ark. June. %.—Si€m 6-«18 inches 

 high. Flowers sessile, 3—8 in a gpike or raceme, an inch and a half long, crim- 

 son, yellow vi'ithin. A celebrated vermifuge. Big. Med. Bot. i. 142. 



Pink-root. Perennial Worm Grass. 



Order LXXXI. GENTIAJSTACE^.— Gentianworts. 



Calyx divided, persistent. Corolla usually regular, with an 

 imbricate, twisted, rarely induplicate, aestivation ; its lobes of 

 tlie same number as those of the calyx, generally 4 or 5, (rarely 

 6 — 10.) Stamens inserted upon the corolla and equal in num- 

 ber to its lobes. Ovary composed of 2 carpels, 1- or partly 

 2-celled; style 1, continuous; stigmas 2. Capsule or berry 

 many-seeded. Seeds small ; albumen fleshy. — Herbaceous 

 plants, rarely shrubs, sometimes twining. Leaves almost al- 

 ways opposite and entire. Flowers showy. 



I. Gentianeje. Corolla imbricate. 

 1. GENTIANA. i^wm.— Gentian. 



(Named from Gentius, king of Ulyria, who, according to Pliny, brought into 

 use the species so much valued in medicine.) 



Calyx 4 — 5-cleft. Corolla tubular- campanulate, fumiel-form 

 or somewhat salver-form ; the limb 4 — 5-cleft, sometimes with 

 intermediate plaits. Stamens 4 — 5, inserted upon the tube of 

 the corolla. Styles very short. Stigmas 2. Capsule 1 -celled, 

 2-valved. 



* Corolla somewhat tubular ; intermedAate lobes or plaits large. 



1. G. AndrewsiiCh'iseb.: stem ascending; leaves ovate-lanceolate, acumi- 

 nate, 3-nerved, rough on the margin ; flowers aggregated, subsessile, brac- 

 teate ; lobes of the calyx shorter than the tube ; corolla connivent ; the 

 lobes very short, smaller than the somewhat 2-lobed plaits. (Z>. C.) G. 

 Saponavia Fral. not of Linn. 



Woods and meadows. Can. to Car. W. to Mich. Sept., Oct. %.. — Stem 

 y. — '2, feet high, simple. Flowers large, principally in a dense terminal fascicle or 

 Tiead, bright blue. A-udrews's Gentian. 



2. G.Saponaria (i. linearis Griseb.: stem ascending; leaves linear-lan- 

 ceolate, obtuse, rough on the margin ; flowers aggregated, somewhat sessile, 

 bracteate ; lobes of the corolla ovate, twice or thrice as long as the cleft 

 plaits. (D.CS) G.Pne^tmonanihe. G. linearis F'r eel. and puberul a Mich. 



Valleys of the Adirondack Mountains, Essex county, N. Y. Torr. Swamp 

 near Portland, Maine. Big. Aug., Sept. 'l\-. — Stem about a foot high, slender, 

 smooth. Flowers bright blue, 3 — 5 in a terminal fascicle, with one or two in the 

 axils of the next pair of leaves below. Soap Gentian. 



