ONC 
excavated in front, with two marginal wings at the fummit ; 
ftigma concave, beneath the anther. Peric. Capfule oblong, 
flender, of one cell, opening between the ribs. Seeds n 
merous, minute, tunicated. 
Eff. Ch. Calyx and petals fpreading. Lip flat, with 
tubercles near the bafe. Anther a deciduous lid, between 
the wings of the ftyle. 
Obf. This handfome genus is remarkable for the fingular 
lobed form of the flower, and the daa inflorefcence. 
All the known {pecies are natives of the dies. 
1. O. carthagenenfe. Wille. n.1. Sw. td. Occ. 1479. 
(Bpidendram eae 3 Jacq. sae 228. t. 133. 
Pid. 1 214. E.undulatum odr. 122. 
Cur t. Mag. Vifcum radice balboa mac et pe 
delphi fore ferrugineo guttato ; Sloa 250 
. £. 1.)—Stem no Lee elliptical, “Aattith, sacihy, 
Stalk vadieall much branched. Petals roundifh, with claws. 
00 8 
colle&tion at Vauxhall. The root ae of many thick 
Leaves a foot long, compared by Sloane to thofe 
of the common White Lily. Stalk fe to fix feet high, 
much branched above, the ultimate branches bearing feveral 
large, alternate, nearly feflile fowers towards their extre- 
~_ he calyx and petals are fomewhat {fpatulate, whitifh 
r yellow, variegated with ru brown and purple; the 
latter larger, paler, more and veiny. Lip of the 
fame colours, with a {mall voketolou ed difk.—Swartz in 
o the 2 ae of Jacquin. 
. are more lurid, 
and eae more natural than in Jacqui sfigu re. 
Willd. n. 2. z. Ind. 1481, 
( Epidendram altiffimam 5 3 Jac 
Stem none. 
Flowers in a long compoun 
cq. Ame id. 
Leaves Aline ene, bul- 
clufter. 
112. t.215.)— 
bous at th 
iflands. The peom see each from a large oval furrowed 
bulb, and are about a si long. Flower-falks radical, fo- 
ound clufter, three or 
o 
oO 
oe” 
Lip inverfely 
5 
co 
a 
o 
ys 
8 
heart-fhaped, conv Smet, not cuca? 
3. G. tetrapetalum. Willd. n. 3. Sw lead “na. Holm. 
240. (Epidendrum pues ; Jacq. Amer. 230. t. 142. 
Pid. 112. t. 216.)—Stem none. ‘Leaves awl- yee keeled. 
Flowers in a fimple eg 
y-fhaped. 
‘aaa kidne 
inch w 
O.. warisgatum. Willd. 4 Swartz. Ind. Occ 
1483. ohare aes fe albo mies ae radice 
fibrofa ; Sloane Jam. v. 1. 251. t. 148. f. 2.) —Stem none. 
Leaves lancet channelled, recurved, with cartilaginous 
ip two-lo 
ferratures. Li -lobed. Parafitical on 
es in the m ainous parts of the Weft —It 
the habit of the laft, and like that feems to want real petals 
The Hp and calyx are white, {potted with red, according to 
C a. i, ‘ 
240. (Epidendrum Ceboletta ; Jacq. Amer. 230. t. 131. 
OND 
fio. Pid. 112. t. 217.)—Stem none. 
Papi cylindrical 
awl-fhaped, Bilbo at the bafe. Cluft nd, 
se a crewd of little green bulbs, the fize of hazel-nuts, 
each producing an erect /eaf, not unlike that of a young 
onion, abcut a foot high. Sta/& flender, much longer than 
the leaves, drooping, crowned by a fhortifh compound pen- 
dulous clufter, which Jacquin eee in fruit only. 
ICINO, in Geography, a town of France, in the de- 
partment of the Stura, on the Po; 14 miles W. of Sa- 
luzzo. 
ONCOBA, in Botany, a genus of Forfkal’s, fo called 
from its Arabian name Oncob. Forfk. Aigypt-Arab. 103. 
Gmel. Syft. Nat. v. 2. 828. Juff. 292. Lamarck Did. v. 6. 
210. Iluftr. t. 471. ~Clafs and order, Polyandria Monogynia. 
Nat ae Tiltacee, Suff. 
n. Ch. Ca/, Perianth inferior, of one leaf, permanent, 
divided into four, deep, concave, eared fegments. 
Petals eleven or twelve, ee 3 the outer ones 
longer than the calyx ; iy er aie nequal. Stam 
Filaments numerous, threa a thaped, erect, ae ted into the 
calyx; anthers ereét, fimple, linear. Ps, Germen fupe- 
rior, globofe, longitudinally furrowed; ityle ine 
longer and thicker than the filaments ; ; ftigma orbicular, fe 
rowed, feven-lobed 
Perie. Berry globular, pulpy, o 
eds. 
ceil, and many oblong, comprefled jee 
Et. 
h. Calyx of one leaf, Petals numerous. Berry of 
one cell, many-feeded. 
I. O. inofa. Gmel. Syft. Nat. v. 2. 828.—Native of 
Egypt and Senegal, aya ‘ is called, according to Adan- 
fon s os Dimb, or Rimbot. his i is the only fpecies 
lowers folitary, large, w aly 
white internally. The derries are faid by Forfkal i ‘be seas 
by children. 
O S, ofko:, in Antiquity, was ufed to fignify an 
ornament of the head, peculiar to thofe who offered fa- 
crifice 
ONDA, in Geography. See St. Vincent de la Paze 
ONDARROA, atown of Spain, in Bifcay ; eight miles 
W. of St. Sebattian 
ONDATRA, in "Zoology. See Mus Zibethicus. 
ONDEE, in Heraldry. See WaveEp. 
ONDEGGIARE, in the Jtalian Mufi ic, fignifies to re- 
turn the hand beating time, not direGly, but by degrees ; 
as ondeggiare la mano, to keep it wavin ‘in the air, or giv- 
ing it two motions, before it is quite fifted up to end the 
bar, and thence to fall it to i a firft, fecond, or third 
time, of that or another mea 
he Italians do not beat a merely by the two —s 
of down and up; but mark, by waving the hand, every 
portion ofa bar. Suppofe, ice pone a movement in 
mon time of four crotchets in a bar, two accented mn two 
a bar it is a "p past and comes down for the firft 
note of the ne » & triple time of three portions, 
de hand comes ae for the firft is waved to the right for 
the fecond, and for the third lifted perpendicular. 
O BoKKEVELD, in Geography, a territory of 
Southern Africa, being one of the tran{montane divifions of 
Stellenbofch near the Cape of Good Hope. This is the 
elevated flat furface of atable mountain, whofe fides on the 
\W. and 
