3R6 GKNTIANACE^. (GENTIAN FAMII-Y.) 



terfd, flat -topped, the. Jlourrs all ncarhj sessile; tube of the (pnrple-rosc-colored) 

 corolla not twice the len^^th of tlic oval lobes. — Oswego, New York. — Plant 

 C - 12' high : corolla 3" - 4" long. (Adv. from Eu.) 



2. E. RAMOsfssiMA, Pcrs., var. pci.chella, Griscb. Low (2'-G' high) ; 

 stem many tl mes forked above and forming a diffuse cipm ; leaves ovatc-oblong or 

 oval ; flowers all on short pedicels ; tube of the (pink-purple) corolla thrice the 

 length of the elliptical-oblong lobes. (E. Muhlenbe'rgii, Grisd., as to Penn. 

 plant. Exacuni pulchellum, Pursh.) — Wet or shady places, Long Island to E. 

 Virginia : scarce. — Flowers smaller than in No. 1. (Nat. from Eu.) 



3. E. spicXta, Pers. Stem strictly upright (6' - 10' high) ; the floiccrs ses- 

 sile and spiked alonrj one side of the simple or rarely forked brunches ; leaves oval 

 and oblong, rounded at the base, acutish ; tube of the (rose-colored or whitish) 

 corolla scarcely longer than the calyx, the lobes oblong. (E. Pickcringii. 

 Oakcs.) — Sandy sea-shore, Nantucket, Massachusetts, Oakes, and Norfolk, Vir- 

 ginia, Riir/fl. — Remarkable for the spike-like arrangement of the flowers. 

 (Nat. from Eu. 1) 



3. PRASERA, Walt. American Colcmbo. 



Calyx deeply 4-partcd. Corolla deeply 4-parted, wheel-shaped, each division 

 with a glandular and fringed pit on the face. Filaments awl-shupcd, usually 

 somewhat monadeljdious at the base : anthers oblong, versatile. Style persist- 

 ent : stigma 2-lobed. Pod oval, flattened, 4- 14-seeded. Seeds large and flat, 

 wing-margined. — Tall and showy herbs, with a thick root, upright and mostly 

 simple stems, bearing whorled leaves, and numerous pcdunclcd flowers in open 

 cymes, which are disposed in an ample elongated panicle. (Dedicated to John 

 Eraser, an indefatigable collector in this country towards the close of the last 

 century.) 



1. F. Carolinensis, Walt. Smooth biennial or triennial (.3° -8° high) ; 

 leaves mostly in fours, lance-oblong, the lowest spatulate, veiny ; panicle py- 

 ramidal, loosely flowered ; divisions of the corolla oblong, mucronate, longer 

 than the narrowly lanceolate calyx-lobes, each with a large and round gland 

 on their middle; pod much flattened parallel with the flat valves. — Rich dry 

 soil, S. W. New York to Wisconsin and southward. July. — Root very thick 

 and bitter. Corolla 1' broad, light greenish-yellow, marked with small brown- 

 purple dots. 



4. HALENIA, Borkh. Spurred Gentian. 



Calyx 4- 5-parted. Corolla short bcll-shapcd, 4-5-cleft, without folds or 

 fringe, prolonged at the base underneath the erect lobes into spurs, which arc 

 glandular in the bottom. Stigmas 2, sessile, persistent on the oblong flattish 

 pod. Seeds rather numerous, oblong. — Small and upright herbs, with yellow- 

 ish or purplish panicled-cymosc flowers. (Name of unknown meaning.) 



1. H. defldxa, Griscbadi. Leafy annual or biennial (9'- 18'high), sim- 

 ]ik' (jr branched above; leaves 3-5-ncrvcd, the lowest oblong-spatulatc and 

 jietiolcd ; the others oblong-lanceolate, acute ; spurs cylindrical, obtuse, curved, 

 descending, half the length of the acutely 4-lobcd corolla. (Swe'rtia corniculata. 



