4 
THALAM1 FLORAE. 
warmer parts of Europe, and lias been found in Barbary, Te- 
neriffe, and the East Indies. In the neighbourhood of Cold- 
spring, it may be met with, covering patches of ground by the 
road-sides. The flowers are very small, and there are seldom 
more than two petals in each flower. 
ORDER II. DILLENIACE^E. 
Distribution of the parts of the flower quinary : 
testivation imbricated. — Calycine sepals : 2 external, 
3 internal, persistent. Petals 5, uniserial, hypogy- 
nous, deciduous. Stamens oo, inserted on the disk, 
free or polyadelphous, and either placed regularly 
around the pistil, or on one side of it : anthers 2-celled, 
always turned inwards. Fruit of 2-5 unilocular car- 
pels, either distinct or cohering. Seeds either seve- 
ral, or two, or by abortion solitary, surrounded by a 
pulpy arillus : testa hard : embryo minute, lying in 
the base of the fleshy albumen. 
Trees, shrubs, or suffruticose shrubs. Tbe flowers are in 
general yellow, and in some of the species rival those of the 
Cisti. They possess no remarkable properties. The leaves 
and bark are astringent, without any bitter or aromatic flavour. 
They are all natives of the warmer parts of the globe. 
I. Tetracera. 
Flowers most frequently dioecious, or polygamous. 
Calycine sepals 4-6, roundish, imbricated, persist- 
ent, after the anthesis frequently accrete, concave 
$ . Stamens co, dilated at the apex. — ? . Ovaries 3-5 : 
styles simple, acute. Capsules of the same number 
as the styles, opening on the inner side, sub-bivalved : 
seeds 1-2, ovate, shining, arillated — De Cand. 
Sbrubs or low trees, generally scandent : leaves alternate, 
penninerved, coriaceous : flowers panicled or racemose — Name , 
from rsrga four, and xsga; a horn, from the four capsules being 
recurved at the apex like so many horns. 
