oboval 
Octandria 
much longer than broad, with 
nearly parallel sides. 
obo’val, obova‘lis (ob, inverse, + 
OVALIS), reversed ovate, the distal 
end the broader ; obo’vate, obova’- 
tus, practically the same as the 
last ; obo’void (e7dos, like), an obo- 
vate solid; obrin’gens (+ RIN- 
GENS),{ a ringent floret of the 
Compositae, with an anterior lip 
#th, and the posterior lip 4ths of 
the whole, as though the lower lip 
were uppermost; obrotun’dus (+ 
ROTUNDUS),t somewhat round. 
obscure’, obscw’rus (Lat., dark), (1) 
dark or dingy in tint; (2) uncer- 
tain in affinity or distinctiveness ; 
(3) hidden. 
ob’solete, obsole'tus (Lat., worn out), 
wanting or rudimentary ; used of 
an organ which is scarcely apparent 
or has vanished ; obsoles’cent (+ 
ESCENS), nearly obsolete. 
obstruc’tus (Lat., blocked up), where 
hairs or other appendages partially 
close the throat of a tubular corolla. 
obsubula’tus (0b, inverse, + SUBULA- 
TUS), very narrow, pointed at the 
base and widening a little towards 
the apex; obsutura’lis (sutura, a 
seam),t applied to the suture of a 
pericarp ; septifragal. 
obtec’tus (Lat.), covered over by 
something ; obtec’to-veno’sus, when 
the principal and longest veins are 
connected only by simple cross- 
veins; ob’tegens (Lat.), covering 
over. 
Obtura’tor (obturatus, stopped up), (1) 
a small body accompanying the 
pollen-masses of Orchids and Ascle- 
piads, closing the opening of the 
anther; (2) = Caruncie (Hooker 
fil.); (8) a process of the wall of 
the ovary descending on the 
micropyle, in Plumbago. 
obturbina’‘tus (0b, inverse, + TURBINA- 
TUS), reverse top-shaped, swollen 
at the bottom, narrowed at the 
top. 
citaaet obtu’sus (Lat.), blunt or 
rounded at the end; ~ An’gled, 
stem-angles rounded, as in Salvia 
pratensis, Linn.; obtusius’culus, 
(Lat.), somewhat obtuse. 
obval'late, obvalla’'tus (0b, about, 
vallatus, walled round), apparently 
walled up, guarded on all sides ; 
obvalla‘ris, surrounded as by a 
wall, as in Narcissus obvallaris, 
Salish. 
ob’verse, obver’sus (Lat. turned to- 
wards); (1) the side facing, as 
opposed to reverse ; (2) used when 
the point of a radicle in a seed 
approaches the hilum ; ob’versely, 
in an obverse form. 
ob’volute, obvolu'tus (Lat. wrapped 
round), a modification of convo- 
LUTE, when the margins of one 
organ alternately overlap those of 
an opposite organ, such as half- 
equitant; obvolu'tive is a syno- 
nym. 
Occlu’sion (occlusus, shut up), the 
process by which wounds in trees 
are healed by the growth of callus, 
then said to be occlu’ded (M. Ward). 
occulta’tus (Lat.), hidden. 
ocean‘idus (oceanus, belonging to the 
ocean), used of a marine plant. 
ocel'late, ocella’tus, ocella’ted (ocedlus, 
a little eye), with a circular patch 
of colour. 
Ocel’lus (Lat. a little eye), an eye- 
spot as in Halionyx, a genus of 
Diatoms. 
ochra’ceous, -ceus (ochra, yellow 
earth), ochre-coloured, yellow with 
a tinge of red. 
O’chrea = OcrBA; 0’chreate = OCREATE. 
ochroleu’cous, -cus (dxpa, yellow 
earth, derxds, white), yellowish 
white, buff. 
O’crea (Lat. w greave), a tubular 
stipule, or pair of opposite stipules 
so combined; o’create, ocrea‘tus, 
provided with ocreae. 
Octagyn’ia (éxrm, eight, yury7, a 
woman), a Linnean order of plants 
with eight-styled flowers ; octag’y- 
nous, octagyn’icus, having eight 
styles ; octam’erous (uépos, a part), 
in eights; octan’der (dvjp, dvédpos, 
aman), with eight stamens; Oc- 
tan’dria, a Linnean class of plants 
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