[13] 
11 CLASS. MESOGVNIA.— THE MESeGYN'KS. 
9-1. IjiiC'.piis a7i^is!ifurnn. Leaves sessile, elongate, I'niear-laiiccclate^ «cami» 
nate, r< mote, se:-raie iii tlie middle j base dilatated ; whorls pniiciilore ; bracteas 
ind teeth of tliecalix subulate ; corolla equal to the cali.x; stamina hardly ex- 
erted. — Found in western Kentucky, blossoming in August; size one foot Pe- 
rennial. 
95. Gen:inna serpeniaria. Stem cylindrical flexuose ; leaves cuneate or obo- 
Yate-oblong, obti.sv, nearly tri nerve, undulaic, smooth ; fliwers fasciculate, st-s- 
silc ; bracteas tub-petiolate, lanceolate, acute ; calix campanubte, shorter than 
halfof the corolla, pentagone, sinusses ir.cmbvanaceous, truncate ; sepals linear, 
-icute, foliaceous, carinate ; corolla tubuli.sc. five toothed ; teeth erect, eli;iigate, 
obtuse, noiched ; sinusses unequally toothed. — Next to G. ocA/VfKca and G. ca- 
ics/>t-i ; fiowers straw colour veined with grefcn ; five free stamina ; filaments n- 
gone ; anthers white, obtusely sagittate d. It grows in Indiana where its roota are 
Mipposed to sttipif} the vcnomo\is snakes and cure their oite. 
XXI. N. (; Iltsanti.ks. Calix fivt parted, sub-cc[uaJ, ebracteate ; corolla t«u 
bulose, bilabiate ; upper lip erect, sliort, bidentate, sinus obtuse ; lowei- ii^) iri- 
Jooe, sinusses acute ; lobes nearly equal, rounded, entire, concave. Staminj two 
fertile imder the upjjcr lip ; anthers unilocular ; avo stei-ile fihuner.ls inider ilie 
lower lip. Ovary ol>long ; styie comj)rcsscd above; stigma bilamellate. Capsul 
oblmgcviindrical, unilocular, bivalve, myriospcrme ; receptacle central, c>iin- 
drical. — rinsgenis diifersfrom GTOi/o/a by the caiix, corolla and capsul. The 
naii.e meaiiSfinud flower. Habit of Gra/i'c/a and ii?i.'.'e?'«2a ; leaves opposite ses- 
sile ; flowers axillary. 
S5. I'usdiithes liparia Branched, smooth, divaricate or decumbent; leaves 
ovate-oblong, obtuse, nearl} five nerved, remote toothed, thirkish ; peduncles 
alternate tipright, as long as the leaves ; sepals of the calix subalatc, shoiacr than 
the capsul. — It grows on the overflowed banks and islands of the Ohio and ti-ibu- 
tary streams, in the mud or even iii the water. Stems quadrangular; flowers 
pale blue, lower lip marglnated w ith white. It blossoms in July and August- 
Animal. A variety has broader ovate leaves, hardly toothed. 
97. Ciiacutaparail'ixa. Stendess, parasite, vcrticillate ; wlioj'ls capitate and 
dense; flowers sessile ; calix membranaceous, five parted ; sepals embricatc, o- 
vate, lanceolate ; corolla tubulose, quadrifid, equal to the calix ; sejjals lanceolate, 
acute; four stamina, no appendages; two long styles ; stigmas capitate. — In the 
barrens of Indiana and Illinois on the stem oi' Venionia A very si ngidar plant ; 
its stems are filifoim and very slender iii their youth , but dry and fade while the 
plant blossoms. Flowers white ; blossoming in June. Annual 
yS. Ciisaita acm/lis. Stemlees, parasite, glomerate, compact, amplectent, 
dense ; flowers sessile ; calix membranaceous, five parted ; sepals ovate, acute j 
corolla campanulate, urceolate, 5 fid ; sepals short, ovate, p elite ; stamina five, 
no appendages ; two long stales ; stigma capitate. — Very similar to the forego- 
ing. Is it only a variety of it i" Found on Eupatorium, Spirea, SJc. in the barrens of 
Kentucky, blossoming in August ; flowers white, seldom vvhorlsd ; but in large 
.amplexicaule glomerations. 
99. Gerardia leris^atn. Smooth ; leaves nearly petiolate, lanceolate, acute, 
entire, pale beneath ; flowers nearly spiked, sub-sessile ; bracteas sessile, ovate 
lanceolate; calix campanulate, semi qui nquefid ; divisions obtuse — An interme- 
diate species between G.Java or villosa and G. glavca or qjierrifotla, but very 
distinct from both. It grnws on the knob hills of Kentucky, the Gun\berland 
mountains and the .\llegliany. It rises about two feet. Stem faintly quadrangular, 
purplish, simple or branched. Bracteas small ; flowers yellow, large, similar to 
tiiose of G.Jlava, and blossoming in Jidy and .Vug^ist. Perennial. 
Ill CLASS. ENDOGYNIA— THE ENBOGYNES. 
100. SaTribucus humilis. Perennial ; stem herbaceous, flexuose, few leaved ; 
leaves five foliolate ; folioles nearly sessile, ovate-elliptical, thin, serrate, acumi- 
nate, terminal one lager and petiolate ; cyme terminal <iuinquefi 1 ; two short 
binate and lanceolate bracteas. — On the banks ofthe Ohio in Virginia ; it blos- 
soms in June; stem only one foot high ; leaves large ; flowers white. It v;Ii} re- 
present in .\meric3 the V f-.b-ihts 
101. Camus obliqua. Shrubby j branches nearly cylindrical, semirugose dichtN 
