108 



GENTIANACEiE. 



Gentiana. 



** Arctophila, Griseb. Corolla furmelform, without plica: no glands at t!ie base of the filaments: stigmas distinct, 



rcvolute : capsule sessile : seeds globose, not winged. 



4. Gentiana quinqueflora, Lain. Five-Jlowered Gentian. 



Stem quadrangular, branched ; leaves ovate-lanceolate, somewhat clasping, acute, 5-nerved ; 

 flowers pedicellate, in a rather loose terminal fascicle, and axillary; calyx about one-third the 

 length of the corolla , the segments subulate and twice as long as the tube ; corolla tubular- 

 funnelform, 5-cleft, without plica? , the lobes triangular and very setaceously acuminate. — 

 Lam. enc. 2. p. 643 ; Ell. sk. V. p. 341 ; Torr.fi. I. p. 288 ; Beck, bot. p. 239 ; Bot. mag. 

 t. 3496 ; Grali. in Edinb. new ph. jour. Jan. 1836 ; Griseb. I. c. p. 63, <£• Gent. p. 251. G. 

 quinquefolia, Linn. sp. 1. p. 230. G. amarelloides, Michx.fi. 1. p. 175 ; Pursh, fl. 1. p. 186. 



Root perennial ? Stem about a foot high, often branching from the base, with prominent 

 angles. Fascicles 3 - 5-flowered. Pedicels 4-6 lines long. Corolla nearly three-fourths 

 of an inch long, pale blue, slightly ventricose, smooth. Stamens two-thirds as long as the 

 corolla : anthers oblong. Stigmas 2, oblong, finally recurved. Capsule stipitate. Seeds 

 roundish, not winged. 



Woods and borders of rivers ; north and west of Hudson ; rare. September - October. 



*** Crassopetalum, Froel. Corolla fimbriate on the margin, ivilhout plica, with 4-5 glands near the base : stigmas 

 broadly orbicular, distinct : capsule stipitate, or attenuate at the base : seeds scaly-hispid. 



5. Gentiana detonsa, Friis. (Plate LXXXII.) Smaller Fringed Gentian. 



Stem strict ; peduncles elongated, naked ; leaves linear or linear-lanceolate, narrow at the 

 base ; corolla 4- (rarely 5-) lobed , the lobes without intermediate plicae, oblong, rounded, 

 ciliate on the sides, toothed at the summit; stigmas orbicular ; seeds scaly-hispid. — Friis in 

 act. Hafn. 10. p. 436. t. 1. /. 3, ex Griseb. in Hook. fl. Bor.-Am. 2. p. 64, Gent. p. 256. 

 /3. barbata : stem-leaves with a very long acumination , the radical ones spatulate ; corolla 

 larger. Griseb. I. c. G. barbata, Frcel. Gent. p. 114; Sims, bot. mag. t. 639. G. ciliata, 

 Pall. Ross. 2. t. 92. /. 2 (all from Griseb.). 



Root annual or biennial. Stem simple or somewhat branched, 8-12 inches or more high, 

 mostly simple and 1 - 3-flowered. Leaves 1 — 2^ inches long and 2-3 lines wide. Peduncles 

 elongated, angular. Segments of the calyx ovate-lanceolate, with a long acumination, rough 

 on the midrib, less than half the length of the calyx. Corolla with the limb bright blue ; the 

 tube yellowish and white : lobes ciliate, but considerably less so than in G. crinita. Capsule 

 attenuated at the base. Seeds hispid with little brown scales. 



On wet limestone rocks, Goat Island, Niagara Falls {Dr. Barratt) ; at the same place, and 

 near Irondequoit Mills {Dr. Knieskern). September. This species grows in various parts 

 of British America ; and ] have received from Mr. Lapham, beautiful specimens which he 

 collected in Wisconsin. Allied to the following species, but readily distinguished by the 

 narrow leaves, and the smaller and much less fringed corolla. 



