a 
, 
ZIE'RIA LAVIGATA, 
SMOOTH. LEAVED ZIERIA. 
EXOGENA, oR DICOTYLEDONES. 
Natural division 
to which 
this plant belongs. 
NATURAL ORDER, RUTACEZ. 
THALAMIFLORE, ae % { Artificial divisions " TETRANDRIA, 
OF to which Pu 
DECANDOLLE, this Plant 2 
No. 185, 
GENUS, Zrerta. Smira. Catyx quadrifidus, Perata quatuor, disc 
hypogyno inserta. Stamrna quatuor, calycis lobis opposita, filamentis glabris 
bores. Foxia oppos.ta, petiolata, trifoliolata, summa simplicia. PepuncuLi 
axillares, sepius trichotomi: Fores parvi, albi. 
SPECIES. Zrerta LEVIGATA, (SmrrH) Ramulis ci ee foliolis Hneas oie 
margine revolutis glabris v 
culis semel bisve trifidis corymbosis folio brevioribus. 
CHARACTER OF THE Genus, ZiertA. CaLyx four-cleft. PrTALs 
four, inserted on a hypogynous disk. StTamENs four, opposed to the 
divisions of the calyx; the filaments smooth, each with a gland at the 
base, on the inside. STyY te one, with a four-lobed stigma. CArPELs 
four, joined into a four-lobed four-celled capsule, with _— lobes. 
SEEDs solitary in each cell, oval, compressed. 
DEscRIPTION OF THE Species, ZiERIA L#vicATA. An erect 
Surus. Brancues spreading, slender, nearly cylindrical, and per- 
fectly smooth, Leaves opposite, with three leaflets palmately ar- 
ranged; foot-stalks one or two lines long, smooth; leaflets sefsile at 
. the end of the foot-stalk, linear, from half an inch to an inch long, 
pointed, quite entire, with the margins much rolled back and often 
somewhat wavy, marked with transparent dots, the upper surface of a 
dark green and smooth, the under surface whitish, with a very minute 
down, only discernable under a magnifying glass. Pepuncties axil- 
lary, rather shorter than the leaves, smooth, bearing a little loose 
bunch, or corymb, of from three to eight or ten flowers. Bracrs at 
the base of each pedicel, linear, small. PEDICELS opposite, one or 
two lines long, smooth, with a pair of minute opposite bracteole. 
