LINN^EAN CLASS XX. 191 



Order VIII.— OCTANDRIA. 

 Populus. Anient cylindrical. Scales lacerate. Perianth turbinate. 

 Capsule superior, 2-celled, 2-valved, many-seeded. Seeds cornose. 

 Amentacece, 115. 



Diospyros. Calyx 4 — 6-cleft, persistent. Corolla urceolate, regular, 

 4 — 6-cleft. Fruit fleshy, globular, 8 — 12-seeded. (Persimmon.) Ebe- 

 nacece, 74. 



Order IX.— ENNEANDRIA. 



Hydrocharis. Sepals 3, oval, membranaceous. Petals 3, narrower 

 than the sepals. Spathe 2-leaved. Capsule 5-celled, many-seeded. 

 Hydrocharidacece, 121. 



Order XII.— POLYANDRIA. 



Menispermum. Sepals 4 — 8, in a double series. Petals 4 — 8, or 

 none. Fruit a drupe, solitary. Nut woody, globose, reniform. Me- 

 nispermacece, 5. 



Order XV.— MONADELPHIA. 



Juniperus. Sterile florets, in an ovate ament. Calyx a scale, pel 

 tate. Fertile flowers are in a globose ament. Scales 3, concave. 

 Fruit a berry ; 3 long 1 -seeded nuts. (Cedar.) Conifer ce, 117. 



