, oe classes. 
186 LINNEAN SYSTEM, 
Monogynia, . - é ‘ I style. 
Digynia, : i : . 2 etyles. 
Trigynia, Piece sae 
Petragyning Se ae eee 
PONE IN, Se Sk Or ae 
Prerryi ig: 5S a ee ks a Se 
Fieptapynin, . ge a gs as 
Octagynia, : ; 3 5 A rae 
Ennezvgynia, . : S . oes 
Decagynia, . : 5 Sor ae 
Dodecagynia, . ‘ A ey Sarre 
Polygynia, Sos ‘ many . --- 
The whole of these orders do not occur in each class ; 
sometimes only 2 or 3. 
658. In the 14th class, Didynamia, ‘there are 2 orders: 
Gymnospermia, from the Greek words, gumnos Seni 
sperma (seed); Angiosperma, from aggos & vessel), and 
sperma. 
1. Gymnospermia, in which the seeds La- 
are naked (with thin a es ——- stage. 
are generaily 4 in number.. 
2. Angiospermia, in which the seeds odosa, 
_ are inclosed in'a distinct seed-vessel i} Serrnotled Figwor 
or ‘pericarp. - Patch cet iscie o> Bikes se 
659. In the 15th class, enum, there are 2 orders: 
AL Siliculosa, with the seed vessel a Ccsbe sii ae 
silicula — or short pod : see 
Fig. él, pane PRO ee a. aa sca 
2. Siliquosa with the seed vessel a 
Sisymbrium nastur- 
Sony fer 8 nah motte 5, tium, WaterCress- 
660. In the 16th, 17th, and 18th classes, Monadelphia, 
Diadelphia, and Polyadelphia, the orders are » determined by 
oa coreies: of. the siamese sae characters as ma 
