- O -
Oblanceolae. Inverse of lanceolate.
Oblong. Longer than broad with the
sides nearly paralle., or somewhat curving.
Obovate. Inversely ovate.
Obovoid. Inversely ovoid.
; gone, rudimentary, or vestigial.
Obtuse. Blunt, or rounded.
Ochreae. The sheathing united
stipules of Polygonaceae.
Ochreolae. The ochreae
subtending flowers in the Polygonaceae.
Ochroleucous. Yellowish white.
Oösphere. The cell of the archegone
which is fertilized by spermatozoids.
Operculate. With an operculum.
Operculum. A lid.
Orbicular. Approximately circular in
Orthotropous. Term aplied to the straight
ovule, having the hilium at one end ant the micropyle at the other.
Ovary. The ovule-bearing part of
Ovate. In outline like a
longitudinal section of a hen's egg.
Ovoid. Shaped like a hen's egg.
Ovule. The macrosporange of
flowring plants, becoming the seed on maturing.
B | C
D | E
F | G
H | I
J | K
L | M
N | O
P | Q
R | S
T | U
V | W
X | Y
Volume 1, page xix - xx: Nathanie1 L.
Britton amd Addison Lord Brown, An
Illustrated Flora of the Northern United States,Canada, and the
British Possessions from Newfoundland to the Parallel of the Southern
Boundary of Virginia, and from the Atlantic Ocean Westward to the 102d
Scribner's Sons, 1913
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