A 
1zo ANINTRODUCTION 
Orver II. SILIQUOS A, comprehend- 
ing thofe Plants whofe Pericarpium is a 
Siliquayt. This Order contains eighteen 
Genera, viz. Ricotia, Dentaria, Cardamine, 
Sifymbrium, Eryfimum, ‘Cheiranthus, Helio- 
phila, He/peris, Argpiss Turritis, .Braffica, 
Sinapis, Raphanus, Bunias, Ifatis, Crambe, 
Cleome, and Chamir 
CHAP. XIX. 
Of the jixteenth Cla/s, MonaADELPHYA . 
HIS Clafs confifts of fuch Plants as 
bear Hermaphrodite Flowers, fur- 
nifhed with ove Set of united Stamina. This 
Clafs confifts of eight Orders. The Cha- 
racters of the Flowers-are as follow. 
Charafters of the Clafs MonaprLPuHIay 
CALY X—A Perianthium always prefent, 
erfifting, and in moft Genera double. 
COROLLA—Pentapetalous, the Petals 
heart-fhaped ; the Sides of which lap each 
one over the next, contrary to the Motion 
of the Sun. 
+ See Chap. 3. 
* In this Clafs the Calyx is of great Moment for dif- 
tinguifhing the Genera, and fixes the Limits with Ceres 
tainty, ‘They were formerly diftinguifhed by the Fruit; 
which not being found fufiicient, recourfe was had to the 
Leaves of the Plant. The Plants of thisClafs are efteemed 
to be emollient, and mucilaginous, 
STAMINA 
