198 
ORGANOGRAPHY. 
BOOK I. 
By a longitudinal suture, 
By valves. 
Placentae opposite the lobes of the 
stigma. 
Linear, . _ - 
Roundish, . _ - 
Placentae alternate with the lobes of 
the stigma. 
Valves separating from the replum, 
Replum none, 
B. Pericarpium fleshy. 
Indehiscent. 
Sarcocarpium separable, 
Sarcocarpium inseparable, 
Dehiscent, - - • - 
Sect 2. Inferior. 
A. Pericarpium dry. 
Indehiscent. 
Cells two or more, - - - 
Cell one. 
Surrounded by a cupulate involucrum, 
Destitute of a cupula, 
Dehiscent or rupturing, _ _ _ 
B. Pepicarpium fleshy. 
Epicarpium hard. 
Seeds parietal, _ _ _ 
Seeds not parietal, - - _ 
Epicarpium soft. 
Cells obliterated : or unilocular, 
Cells distinct, _ _ . _ 
Class IV. Collective fruits. ANTHOCARPI. 
Single. 
Perianthum indurated, dry, . _ - 
Perianthum fleshy, - 
Aggregate. 
Hollow, _ _ _ - . 
Convex. 
An indurated amentum, - 
A succulent spike, _ _ _ 
CONCEPTACULUM. 
SlLlQUA. 
SiLlCULA. 
Ceratium. 
Capsula. 
HeSPERIDIU3I. 
nuculanium. 
Trvma. 
Cremocarpium. 
Gla>s. 
CyPSELA. 
DlPLOTEGIA. 
Pepo. 
Balausta. 
Bacca. 
POMUM. 
DiCLESIUM. 
Sphalerocak- 
PIUM. 
Syconus. 
Strobilus. 
SOROSIS. 
Class I. Fruit simple. 
Ovaria strictly simple 
I. 
APOCARPI. 
a single series only produced by a single jlower. 
Utriculus, Gcertner, — (Cystidium, Link.) 
One-celled, one or few-seeded, superior, membranous, frequently dehiscent 
by a transverse incision. This differs from tlie jyyxis in texture, being strictly 
simple, i. e. not proceeding from an ovarium with obliterated dissepiments. 
Example. — Amaranthus, Chenopodium. 
II. AcHKNiuM ; (Akenium, of ; Spermidium ; Xylodium, Z>c5y. ; Thc- 
cidium, Mirb. ; Nux, Linn.) 
