MONOECIA, TETRANDRiA. 207. 
738... PACHYSANDRA. Michaux. 
Calix about 4-leaved. Corolia none. Fila- 
ments subclavate. Styles 5, Capsules $-horned, 
S-celled; cells 2-seeded. 
Root creeping; stem very low and simple; leaves alter- 
nate, pubescent, without stipules; spikes nearly r 
the lower part feminine; flowers bracteate. 
Species. P. procumbens. The only species of she ge- 
nus indigenous to the Alleghany mountains, “ie dis- 
tinct from Tricera. \ 
789. DIOTIS. Schreber. 
Mase, Calia 4-leaved, Corolla none. FEM. 
: calix 1-Igaved, 2-horned. Siyle biparted. Seed 
1, villous, covered by the 2-horned calix. 
7 Suffruticose, leaves alternate, entire; flowers axillary. 
Srecres. 1. D. lanata. Pu. Ons. Stem _suffruticose, 
- 42 to 18 inches high, partly erect and i 
_ crowded, linear-sublanceolate, at f 
margin, canescently lanuginous; f 
glomeruli axillary, masculine flow A 
the banks of the Missouri, in arid situations near the 
“Grand Detour.” Flowering in June. 
S _Of this genus gle a second species indigenous to 
740. BOHMERIA: Willd. 
Mas. Cali 4-parted. Corolla none, Nectary 
ae. Fem. Calix and corolia none, Seed 1, 
compressed. . oie 
Srrcizs. awe ge pa y allied & . 
* fenus 0 species, : 
ccxigieualesi and India. Paco genous tropt 
