59 
Order 11. Angiospermia, covered or capsuled 
Seeds, from a^ysw, aggeios, ayyor, AGGOs, u vessclf and 
cTirt^l^cx,, SPERM A, SeCCl. 
Class XV. Tetradynamia, has its two orders, viz. 
*■ 
Order 1. Siliculosa, a round Pod, from sili- 
cuLA, a little pod. 
Order II. Siliquosa, a long Pod, from siliqua, 
a long pod, and this from silo, a nose turned up, 
being usually curved. 
The orders of Class XVI. Monadelphia; Class 
XVIL Diadelphia ; and Class X\^III. Polyadel- 
PHiA, are founded on the characters of the former 
classes, thus — Order I. is Pentandria, and so on to 
Order V. Polyandria. In Class XVIII. Polya- 
DELPHI A, we have even Order III. Icosandria, 
which includes the Citrus, xhe Orange, for the considera- 
tion oi union of Jilameuts supersedes that of either num- 
ber alone, or of number and insertion, and the classical 
character was found here very convenient to form 
orders; especially as Class XVII. Diadelphia, pre- 
sented no variety in the pistilla. In our Reformed 
Sexual System, we have endeavoured to preserve the 
classical characters distinct to themselves, and placed 
these classes of Linnaeus, as orders to the primary classes, 
which they naturally divide.— Fz^/e, our Reformed 
Sexual System, p. 74. 
The order of Class XIX. Syngenesia, likewise 
could not be founded on the pistils, there being but one, 
