f 252. }-- 
CLASS XII, 
ICOSANDRIA: 
Saas 
Aurtuoucu this is called - class of pikes 
Sramens, because the flowers a under’ it generally 
contain about that number ; yet the ager character 1s 
not to be taken merely from he number of stamens, but 
from a consideration of the follo circumstances, which — 
will sufficiently distinguish it bo sah fom the a cand 
ensuing classes, 
1, CaLyx consisting of 1 dest concave, 
2. Perans fixed by claws to the inside of the cl | 
3. SrAMENs more than 19; standing upon the petals, 
or upon the calyx ; (but not upon the Receptacle 
Oxs. Hardly any of the plants of this class are Sal 
‘The fruits are mnpady pulpy and esculent. 
ICOSANDRIA, (20 Stamens.) 
Monoeynra. (1 Pistil.) | 1 hyde 4 
Prunus, : 
Dieynta. (2 Pistils.) 
: Crategus, oe 
aos ‘Trigynta. (3 Pistils.) 
Sorbus. ” ects 
Pentacynta. (5 Pistils.) | 
Mespilus. Pipa. oe Spirea. 
| PoLyGyniA. (many Pistils.) | = 
Rosa. Rubus.  Fragaria. 
Potentilla, Tormentilla, Geum. 
Dryas. ~ Comarum? 
