AND GENERA OF PLANTS. 395 
# 
. VENEGASIA. (Decand.) 
Capitulum many-flowered, radiate; rays feminine, numerous, fertile. Discal 
florets hermaphrodite, tubular-campanulate, five-toothed, the tube glandu- 
larly hirsute. Stigmas obtuse, puberulous, terminating in an obscure and 
very short cone. Receptacle naked, punctate, the margin paleaceous. In- 
volucrum loosely imbricated in about two series of ‘om rounded, foliaceous 
sepals. Achenium of the ray and disk similar, 1 4 
long, grooved, scabrous and four-sided.—An angershrab of Upper California, 
with all the aspect of a Silphium. Puberulous; leaves alternate, deltoid- 
cordate, dentate; branches one-flowered, leafy; flowers yellow. 
Venegasia Carpesioides, Decanp., Vol. VL., p. 43. Sie 
Has. In rocky situations near the sea, around St. Barbara, &c., Upper California. Lower part 
of the stem shrubby, the upper part considerably branched, puberulous, and scattered with nume- 
rous small, shining glands, of a slightly bitter taste, and with something the aroma of the garden 
Marygold. Petioles about aninch long. Leaves deltoid-cordate, mostly serrate, acute, (sometimes 
nearly entire,) with three principal, slender, spreading nerves; about two inches long, and two to 
three wide. Involuerum very similar to that of a Silphium, composed of two or three series of 
dilated, roundish, cordate leaves, somewhat spreading, but closely imbricated at base, which, 
internally, is covered with a matted tomentum. On the margin of the receptacle there occurs one 
or two rows of large, oblong, partly membranaceous palez, somewhat torn on their margins. Rays 
about fifteen, oblong, entire, longer than the disk; the whole flower about two inches in diameter, 
with both ray and disk yellow. Achenia about the size of Caroway seeds, black, with a rather 
large and prominent epigynous disk. , 
Division in. CoruLE#, (Lessing.) 
* AROMIA. 
Capitulum many-flowered, discoidal, heterogamous; rays feminine, minute, 
truncated, (five or six,) bidentate; discal florets - ery short and rather round, 
about a third the length of the achenium, gland ular, minutely five-toothed, 
closed. Stigmas short, subcapitate or obtuse. Receptacle naked. Involu- 
crum subhemispherical, of a single row of angular, oval, imbricated sepals, 
about five in number. Achenium subhirsute, linear, obconic, compressed, 
