272 
ment is sometimes reversed. 
PHARMACEUTICAL BOTANY 
The corolla may be either ringent, 
or gaping, as in Rosemary and Sage, or personate, when the throat 
is nearly closed by a projection of the lower lip, as in Snapdragon 
Fic. 192.—Flower of an orchid 
(Orchis militaris). A, a, bract; 4, 
ovary; c, the outer, and d, the two 
anterior perianth leaves; ¢, thé label- 
lum or lip with spur, f, (nectary); 
g, the gynostemium the union of 
stamens and pistil. B, flower after 
removal of all the perianth leaves 
with the exception of the upper part 
of the labellum; A, stigma; /, rostel- 
lum, a beak-like extension from the 
upper edge of the stigma; k, tooth- 
like prolongation of rostellum; m, 
anther; n, connective; 0, pollinium; 
q, Viscid disk; p, staminodium, C,a 
pollintum removed and enlarged; 
r, its stalk (caudicle); s, pollen mass. 
D, ovary in cross section. (After 
Strasburger, Macmillan Co., publishers.) 
apex. 
and Linaria. 
Rotate or Wheel-shaped, when the 
tube is short and the divisions of the 
limb radiate from it like the spokes 
of a wheel. Example: The Potato 
blossom. 
Cratertform or Saucer-shaped, like 
the last except that the margin is 
turned upward or cupped. Exam- 
ple: Kalmia latifolia (Mt. Laurel). 
Hypocrateriform or Salver-shaped 
(more correctly, hypocraterimor- 
phous), when the tube is long and 
slender, as in Phlox or Trailing 
Arbutus and abruptly expands into 
a flat limb. The name is derived 
from that of the ancient Salver, or 
hypocraterium with the stem or 
handle beneath. 
When of nearly cylindrical 
form, the corolla is Tubular, as in 
the Honeysuckle, and Stramonium. 
Funnel-form (Infundibuliform), 
such as the corolla of the common 
Morning Glory, a tube gradually 
enlarging from the base upward 
into an expanded border or limb. 
Campanulate, or Bell-shaped, a 
tube whose length is not more than 
twice the breadth, and which 
expands gradually from base to 
Examples: Canterbury Bell, Harebell. 
Urceolate, or Urn-shaped, when the tube is globose in shape and 
the limb at right angles to its axis, as in the official Uva Ursi, 
Chimaphila and Gaultheria. 
