144 AMONG THE WILD FLOWERS. 
petals, 2 stamens, and a 2-limbed calyx; the 
germen is clothed with white hooked bristles. 
The oldest Fuchsia is said to have been 
brought from Chili in 1788; others, including 
F. fulgens, from Mexico. Those species of 
fEnothera known as “Evening Primroses ” 
open their flowers only when the sun declines, 
and are in perfection about 8 or 9 pm. A 
very fine old perennial garden species, now too 
seldom seen, is A‘n. macrocarpa, with yellow 
flowers fully 4 inches across. 
The well-known Clarkias also belong to the 
Onagracee. 
There is a limited Nat. Ord., Hatora- 
GACEM, which includes A/zppuris, Mare’s-Tail, a 
plant which presents the simplest known con- 
dition of a flower, having only one stamen and 
one carpel, no petals, and a calyx of the smallest 
possible size; it is therefore of - Linn. City 
Monandria. 
There is no alliance between this plant and 
the Horse-tail, Equisetum, which is one of the 
Cryptogamous plants, Linn. Cl. XXIV., in 
which there are no visible flowers. It is true 
the Hippuris resembles a leafy stem of Equise- 
tum, which is cane-like, with circles of green 
