130 NATURAL HISTORY OF PLANTS. 
pit on the opposite side. It is between this pit and the two posterior 
sepals that we find a little tongue-shaped petal in Codarium, which 
was formerly considered a distinct genus.’ The gynaceum in this 
section is very excentric, shortly stipitate, and consists, as in 
Dialium generally, of an ovary surmounted by a subulate style, which 
is inflexed in the bud so that its scarcely dilated stigmatiferous apex 
is bent backwards and downwards towards the placenta. This bears 
two more or less oblique descending anatropous ovules with their 
micropyles superior and exterior. 
The fruit is a nearly globular 
berry, with a glabrous or velvety exocarp of variable thickness, and an 
endocarp forming a sort of pulp surrounding one or two seeds. Within 
the seed-coats is a copious horny albumen surrounding a green 
embryo with flattened cotyledons, which are more or less unsym- 
metrical at the base and sometimes a little folded, and a short obtuse 
swollen superior radicle. 
Dialium (Arouna) guianense. 
Fie. 118. 
Flower (8). 
Fie. 119. 
Longitudinal section of flower. 
Around’ (figs. 118, 119) consists of American species of Dialium in 
which the floral receptacle is a little more flattened, and lined by a 
thicker, less concave disk. There is no corolla, and the flowers are 
very small. 
Dialium* consists of some seven or eight species of trees from the 
tropics in Africa,’ Asia,’ and America. Their unarmed branches 
bear alternate imparipinnate leaves with few leaflets. The stipules 
1 We are told that it may sometimes have two. 
2 AvBL., Guian., i. 16, t. 5.—Cleyeria NEcK., 
Elem., n. 897. 
3 Which brings it, as we shali see, nearer to 
Ceratonia. 
4 Dialium divaricatum Vaut, Enum., i. 303.— 
DC., Prodr., n. 2.—Arouna guianensis AUBL., 
loc, cit.—A. divaricata W., Spee., i. 49. 
5 Guitt. & PErR., Fl. Seneg. Tent., i. 267.— 
Hoor., Niger, 329.—Wesp, in Hook. Journ., ii. 
347.—WaAtp., Rep., i. 834; Azn., ii. 449.—Onrv., 
Fl. Trop. Afr., ii. 282. 
§ Burm., Fl. Ind., 12.—Sm., in Rees Cyclop., 
v. and xi. n.1.—Brnn., Pl. Jav. Rar., t. 30.— 
Tuw., Enum. Pl. Zeyl., 97. 
