: $4 DIDYNAMIA. GYMNOSPERMIA. 
pituli large and terminal; lanceolate bractes and calix 
canescently villous, both awnless; corolla pubescent; sta- 
mina exserted. Oss. A species more nearly allied to P. 
virginicum than P. muticum, but distinet apparently from 
both. Stem a little branched towards the summit; brac- 
tes shorter than the calix, acuie, but not awned; dentures 
of the calix minute, orifice of the corolla and its external 
surface pubescent, immaculate; seeds unbearded. ‘laste 
and scent similar to Mentha Pulegium. Has. Io the 
glades of Kentucky and Tennessee. 
«10. * nudum. Very smooth; stem nearly simple; leaves : 
_ oblong-ovate, entire, erect and sessile, margin reyo- 
Inte; capituli pedicellate, few-tlowered, eahaas: cess 
distinct; smooth lanceolate bractes and calix awnless, 
both conspicuously covered with resmous ures, den- 
tures bearded, minute. Qzs. About 2 feet high; leaves A 
very smooth, about an inch long, prominently veined, and ‘ 
opaque; capituli numerous and small, subtended by brac- 
tes about the same length; orifice and exterior of the co- 
Tolla pubescent, lobes of the lower lip nearly equal; sta- 
mina exserted; seeds smooth. Has. Inthe mountains of 
Carolina and Georgia. Aroma similar to that of Satureja 
hortensis. 
A North American genus. 
tt Calix bilabiate. 
OPODIUM. ‘L. (Wild Basil.) 
surrounded by a setaceous involu- 
ipper lip of the corolla flat, obcordate 
ap agrieceionemeate oe 
"Flowers in a terminal capitulate cyme; segments of the 
ealix and bractes setaceous, divaricately and conspicuous- 
ly pilose; leaves ovate. 
 Spectes, 1.¢. . Truly indigenous to North. 
America: i wea eons, f : : 
GANU (Marjoram) : 
ected into a 4-sided strobilus or 
st Upper lip of the corolla erect, A 
lower 3-parted; segments equal, 
