GENTIANE. 
Capsule silique-formed. This plant, from its grateful bitterness, is 
received among the domestic remedies of theinhabitants of Siberia. 
Siberian Halenia. Fl. July, Sept. Clt. 1817. Pl. 1 to 2 ft. 
2 H. Micnauxta‘na ; stem branched, quadrangular ; branches 
short; cauline leaves ovate, 3-nerved; corollas campanulate ; 
spurs deflexed. 4. H. Native of Canada, in swamps, and 
round the lakes of the western parts of the United States. 
Swértia corniculàta, Michx. fl. amer. bor. 1. p. 97. Pursh, 1. 
p. 100. Swértia Michauxiàna, Roem, et Schultes, syst. 6. p. 
180. Swértia Americana, Spreng. syst. 1. p. 861. Flowers green- 
ish yellow. 
Michaux's Halenia. Fl. July. Clt. 1824. Pl. 3 to 1 foot. 
3 H. Pavonia na; tufted; stems slender, tetragonal, simple 
or branched, nearly naked ; tlowers terminal, umbellate; leaves 
petiolate, lanceolate-linear, nerveless: cauline ones conniving 
at the base; corolla subcampanulate; spurs acute, diverging, 
longer than the corolla. (2. G. Native of Peru, on the Andes. 
Swértia umbellàta, Ruiz et Pav. fl. per. 3. p. 21. t. 242. f. b. 
Peduncles 5-10 together, tetragonal, rather drooping. Umbels 
solitary or twin. Calycine segments lanceolate, acutish, with 
scabrous margins. Corolla yellow; with ovate, acuminated 
segments. Capsule conical. Seeds lenticular. 
Pavon's Halenia. Pl. 1 to 2 feet. 
4 H. srevicornis; stem erect, branched, terete; leaves 
linear-lanceolate, 3-nerved, on short petioles ; flowers axillary 
and terminal, solitary, pedicellate ; calycine segments linear ; 
corolla funnel-shaped ; spurs very short. ©. G. Native of 
Quito, in temperate places, near Chilla. Swértia brevicórnis, 
H. B. et Kunth, nov. gen. amer. 3. p. 174. Leaves 13 inch 
long: superior ones sessile-linear. .Corolla pale yellow : with 
ovate, acute segments. Capsule oblong, compressed. Seeds 
roundish. 1 
Short-horned Halenia. Fl. May. Pl. 3 to $ foot. 
5 H. rARVIFLÓRA; stem erect, quadrangularly terete, simple ; 
cauline leaves linear-lanceolate, 3-nerved, sessile ; flowers pani- 
culately spicate, twin; calycine segments linear; corolla ro- 
tately campanulate, with a tubercle at the base óf each segment 
instead of spurs. ©. F. Native of Mexico, near the town of 
Guanaxuato. Swértia parviflora, H. B. et Kunth, nov. gen. 
amer. 3. p. 175. Corolla yellow ; with ovate, acute segments. 
Capsule oblong, compressed. 
Small-flowered Halenia. Fl. Sept. Pl. 4 to $ foot. 
6 H. cua'ciLIS: stem erect, tetragonally terete; leaves ob- 
long, 3-nerved: superior ones sessile, ovate-oblong ; flowers 
terminal and axillary, twin, pedicellate; calycine segments obo- 
vate-spatulate ; corolla subcampanulate; spurs pendulous, erect- 
ish, conical. (9. F. Native along with the preceding. Swértia 
gràcilis, H. B. et Kunth, nov. gen. amer. 3. p. 176. Leaves 
8-9 lines long. Corolla yellow ;? with ovate, acute segments. 
Slender Halenia. Pl. 2 foot. 
7 H. PLANTAGÍNEA ; stems erect, quadrangular, simple, or 
fastigiately branched; radical leaves lanceolate, 3-nerved, on 
long petioles: cauline leaves linear, sessile; flowers terminal 
and axillary, solitary, pedicellate; calycine segments linear-spa- 
tulate; corolla campanulate; spurs pendulous. Y%. G. Na- 
tive of Mexico, on the burning mount Jorullo. Swértia plan- 
tagínea, H. B. et Kunth, nov. gen. amer. 3. p. 175. Radical 
leaves 3 inches long. Corolla yellow ; with ovate obtuse seg- 
ments. Seeds roundish. 
` Plantain-like Halenia. F]. Sept. Pl. 2 foot. 
8 H. AscrEPIA'DEA ; stems erectish, angularly terete, simple ; 
leaves 3-nerved: radical ones lanceolate, petiolate: cauline ones 
linear, sessile ; flowers subumbellate, pedicellate ; calycine seg- 
ments lanceolate; corolla campanulate ; spurs conical, ascend- 
ing, spreading. %. G. Native of New Granada, near Santa 
Fe de Bogota, on the declivities of mountains. Sweértia ascle- : 
VOL. IV. 
II. Haren. 
III, AcarHOTEs. 177 
piàdea, H. B. et Kunth, nov. gen. amer. 3. p. 175. Leaves 
20 lines long. Corolla yellow; with ovate-oblong, obtuse seg- 
ments. 
Asclepias-like Halenia. Fl. July. Pl. 1 foot. 
9 H. nuypertcoipEs; stems procumbent, branched, leafy ; 
leaves oblong-lanceolate, 3-nerved : upper ones sessile ; flowers 
panicled, twin, pedicellate ; calycine segments linear-lanceolate ; 
corolla subcampanulate; spurs pendulous, hooked at top. 2t. G. 
Native of New Granada, near the mine called Zipaquira, at the 
altitude of 1400 hexapods.  Swértia hypericoides, H. B. et 
Kunth, nov. gen. amer. 3. p. 176. Leaves 8-10 lines long ; 
having the petioles connate, and sheathing at the base. Corolla 
yellow? ; with ovate, acute segments. Capsule oblong, obtuse, 
compressed. Seeds roundish. 
St. John’s-wort-like Halenia. Fl. Sept. Pl. proc. 
10 H. zrríerica (D. Don, mss.) stem terete, branched; 
leaves elliptic-obtuse, 5-nerved: lower ones petiolate ; calycine 
segments obtuse, short; spurs filiform, longer than the corolla. 
^t. F. Native of the Himalaiah and Kamaon. Swértia cor- 
niculata, Royle, herb. Swértia centrostémma, Wall. cat. no. 
4385. Stem 1-14 foot. Leaves an inch and a half long. 
Flowers pale. E 
Elliptic-leaved Halenia. PI. 1 to 2 feet. 
11 H. zrowca'rA (D. Don, mss.) leaves linear-lanceolate, 
acute, 3-nerved, attenuated: at the base; calycine segments 
spatulate; spurs short, straight, shorter than the corolla. ©. H. 
Native of Mexico. j 
Elongated Halenia. Pl. 1 foot. 
12 H. rrNiFOLIA (D. Don, mss.) tufted ; stems erect, simple ; 
leaves linear, acute, channelled; flowers umbellate; calycine 
segments ovate-lanceolate, acute; spurs straight, twice shorter 
than the corolla. %. F. Native of Peru, on the Cordilleras 
of the Andes. Swértia pinifolia, Ruiz et Pav. in herb. Lamb. 
Leaves very narrow; with scabrous edges. Flowers golden 
yellow. 
Pine-leaved Halenia. Pl. 1 to 4 foot. 
Cult. Elegant plants, requiring almost the same treatment 
and soil as Swértia. The species require to be grown in pots, 
well drained with sherds, and filled with a mixture of peat and 
sand, placed in pans of water, in order to keep the mould con- 
stantly moist. 
III. AGATHO'TES (from aya00rrc, agathotes, goodness ; in 
reference to the quality of the species). D. Don, mss.  Swértia 
species, Wall.—Gentiàna species, Roxb. 
Lin. syst. Tetréndria, Monogynia. Corolla rotate, 4- 
parted ; segments ovate, acuminated, furnished each with 2 
oblong, parallel, fringed scrobicles at the base. Stamens 4; 
filaments subulate, glabrous, compressed. Anthers oblong, in- 
cumbent, with 2 parallel cells. Ovarium ovate. Style distinct ; 
stigma 2-lobed: lobes roundish, thick, pruinose. Capsule 1- 
celled, dehiscing by 2 valves at apex. Seeds minute, globose, 
smooth.— Annual, erect, branched herbs. Stems terete, smooth. 
Leaves opposite, sessile, ovate-lanceolate, acuminated, 5-nerved, 
membranous, 3-6 inches long: superior ones- stem-clasping. 
Flowers loosely panicled, drooping, greenish yellow, with a dark 
purple base. All the species contain an agreeable bitter. 
1 A. ara'rA (D. Don, mss.) stem tetragonal, winged; leaves 
ovate; scrobicles of corolla orbicular, conferruminated, with 
downy edges. ©.H. Native of Nipaul. Flowers yellow. 
Winged-stemmed Agathotes. Pl. 2 feet. 
2 A. nervosa; stem and branches tetragonally winged ; 
leaves 3-nerved: lower ones ovate, obtuse, petiolate, becoming 
more lanceolate and smaller as they ascend the stem ; scrobicles 
combined, ciliated on the edges. ©. F. Native of Nipaul, 
and saos Swértia nervòsa, Wall. cat. no. 4383. Flowers 
A 
