388 GENTIANACE^. (gKNTIAN FAMILY.) 



Jixed by the deep sacjittate base, exfrorse, often cohtring with each other in a ring 

 or tube: pofi slulktd : perennials, musl/i/ (lulttmn-Jluwerini/. 



* Flowers nearly sessile, clustered or rarely solitary, 2-bracteolale. 

 •1- Seids winyless : anthers unconnected. 



4. G. OChroleuea, Fial. (Ykllowisii-Whitk G.) Stems ascending, 

 mostly smooth ; tlic flowers in a dense terminal cluster and often also in ax- 

 illary clusters ; leavis oborate-oUonfj, the lowest broadly obovate and obtuse, the 

 uppermost somewhat lanceolate, all narroued at the base ; calyx-lobes linear, un- 

 equal, much longer than its tube, rather shorter than the greenish-white open corolla, 

 which is painted inside with green veins and lilac-purple stripes ; its lobes ovate, 

 very much exceeding the small and sparingly toothed oblique appendages ; pod 

 included in the persistent corolla. — Dry grounds, S. rennsylvania (rare) to 

 Virginia, and common southward. 



-i- -1- Seeds winged: anthers connivent and usually more or cohering. 



5. G. ^Iba, Muhl. Cat.! (Whitish G.) Stems ujiright, stout, and very 

 smooth ; Howers closely sessile and much crowded in a dense terminal cluster, 

 sometimes also clustered in the upper axils ; leaves ovate-lanceolate from a ncart- 

 shaped closely clasping base, gradually tapering to a point ; calyx-lobes ovate, 

 shorter than the top-shaped tube, and many times shorter than the tube of the 

 corolla, reflexed-spreading ; corolla ivhite more or less tinged with greenish or yellow- 

 ish, iiijlated-club-shaped, at length open, its short and broad ovate lobes n&trhj twice the 

 length of the tuothed appenchig/'s ; pod nearly included; seeds broadly winged. 

 (G. flavida, Gray, in Sill. Jour. G. ochroleuca, Sims., Darlingt., Griseltach, 

 in part.) — Glades and low grounds, S. ^^. New York to Virginia along the 

 AUeghanies, and west to Illinois and Lake Superior. Begins to flower in July, 

 fur earlier than the two next. 



6. G. Andl'ewsii, Griseb. (Closed G.) Stems upright, smooth ; flow- 

 ers closely sessile in tcrmin;il and upper axillary clusters ; leaves ovate-lanceolate 

 and lancfolate from a narrower base, gradunlly pointed, rough-margined ; calyx- 

 lobes ovate or oblong, recurved, shorter than the top-shaped tube, and much 

 shorter than the inflated chib-slmpid and truncate mostly blue corolla, which is 

 dosed at the mouth, its proper lubes obliteraUd, the apparent lobes consisting of 

 the broad fringe-toothed and notched appendages ; pod finally projecting out 

 of the persistent corolla; seeds broadly winged. (G. Sajionaria, Frai., not 

 oi' L.) — Moist and rich soil: common, csi)ccially northward. — Corolla an 

 inch or more in length, striped inside, the folds whitish ; occasionally jiare 

 white througboiit. 



7. G. Sapon^ria, L. (Soapwokt G.) Stem erect or ascending, smooth; 

 the flowers clustered at the summit and more or less so in the axils ; leaves ovate- 

 lanceolate, oblong, or lancenlate-olm-ute, with rough margins, narrowed at the base ; 

 calyx-lobes linear or spatulate, acute, equalling or exceeding the tube, half the 

 length of the corolla ; lobes of the club-bell-shapcd light-blue corolln obtuse, erect or 

 converging, short and broad, but distinct, and more or hss longer than the consj)>cuous 

 2-cleft and minutrly toothed a/iptuditges ; se/ds acute, narrowly winged. (G. Cates- 

 ba;i. Wall.) — Moist woods. New Jersey and S. Penu. to Virginia, Illinois, and 

 southward : flowering late. 



