ey & 
SYNGENESIA. POLYGAMIA NECESSARIA. 345 
POLYGAMIA NECESSARIA. 
CALEN’DULA. Tourn, 284, Caltha. Gertn, 168. 
Ca. common, simple, of many léayes, rather upright. Seo- 
ments strap-speat-shaped, 14 to 20, neatly equal. - 
Buoss. compound, radiate. Florets, hermaphrodites many, 
in the centre. Florets, females many, very long, in the 
circumference ; as many as the scales of the calyx. 
Individuals, hermaphrodite, tubular, with 5 shallow 
clefts, as jong as the calyx. 
- Individuals, females, strap-shaped, very long, with 
3 teeth, without nerves, woolly at the base. 
Stam. Filaments 5, hair-like, very short. Anthers united 
so as to form a hollow cylinder, as long as the blossom. 
Pist. Germenin the hermaphrodites, oblong. Style thréad- 
shaped, hardly so long as the stamens. Summit blunt, 
See eae en eames, Sopa Wise 
_ Germen in the females, oblong, 3-sided. Style 
thread-shaped, as long as the stamens. Summits 2, ob- 
long, tapering to a point, reflected. 
S. Vess. none. Calyx closing, roundish, depressed. 
SEEDs in the hermaphrodites in the centre, none : more 
outwardly, few, solitary, membranaceous, inversely- 
heart-shaped, compressed. . 
Females (in the circumference) solitary, larger, ob- 
long, bent inwards, triangular, membranaceous at the 
ti marked on the outer side lengthwise, as if en- 
graved with the figure of a plant. Down none. 
Recepr. naked, flat, 
FILA’GO. Gertn. 166. 
Cau. common, cylindrical or 5-cornered, tiled. Scales 
outer, eeg-spear-shaped, acute, cottony ; inner shining, 
coloured, tapering to a point. i, 
Boss. compound. Florets, hermaphrodites, few, tubular, 
in the centre. Florets, females tubular, numerous, sur- 
rounding the former. Other females, mostly without 
petals, fewer, placed immediately within the scales of 
the calyx. “ig 
Individuals, hermaphrodite, funnel-shaped. Border 
with 4 clefts, expanding, 
