MONOCHLAMTDE^. 



657 



h. Carpels more than one combined into a solid 

 pistil. 

 Flowers amentaceous. 

 Seeds arillate. 



Stamen 1 Lucistemacece. 207. 



Stamens more than 1 . . . . Scepacece. 219.' 



Seeds not arillate Betulacece. 232. 



Flowers not amentaceous .... Euphorbiacece. 218. 

 b. Leaves exstipulate. 



1. Flowers hermaphrodite. 

 a. Carpel solitary. 



Anther-valves recurved. Leafy . . . LauracecB. 199. 

 Anther-valves recurved- Leafless . . Cassythacece. 200. 

 Anthers slit. 

 Leaves covered with scales . . . Elteagnaceee. 19fi. 

 Leaves not scaly. 



Calyx long or tubular. 

 Hardened at base .... Nyctaginacece. 181. 



Tube hardened .... Scleranthacece. 185. 



Not hardened at any part. 

 Stamens in the points of the sepals Profeacece. 197- 

 Stamens not iii the points of the 



sepals Thymelacece. 194. 



Calyx short, not tubular or but slightly 

 so. 

 Flowers in involucels . . . Polygonacece. 180. 



Flowers not in involucels. 



Calyx dry and coloured . . . Amaranthacece. 182. 

 Calyx herbaceous or succulent. 

 Stamens hypogynous, or nearly so Chenopodincece . 183. 

 Stamens pengynous . . . BasellacecB. 184. 

 h. Carpels more than one, either distinct, or 

 combined into a solid pistil. 



Carpels distinct Phytolaccacece. 186. 



Carpels combined. 

 Seeds exalbuminous. 

 Calyx tubular. 



Ovary 2-celled Aquilnriacece. 195. 



Ovary 4-celled Perueacece. 198. 



Calyx tubular, or imperfect . . Podosiemacece. 193. 

 Seeds albuminous Phytolaccacece. 186. 



2. Flowers unisexual. 



a. Carpels solitary, or quite distinct. 

 Calyx tubular. 



Anthers opening by recurved valves . Atherospermacets. 201. 

 Anthers opening longitudinally . . MyristicaceeB. 203. 

 Calyx not tubular. 



Seeds exalbuminous. Embryo straight. 



Leaves verticillate CeratophyllacecB. 216. 



No evident leaves Casuarinacete. 231. 



Seeds albuminous. 



Embryo curled round the albumen . ChenopodiacecB. 183. 



Embryo straight Moiiimiacecc. 202. 



b. Carpels more than one, combined into a 



solid pistil. 

 Ovules indefinite. 



Leaves with pitchers Nepenthacece . 222. 



Ovules definite. 



Fruit fleshy. Seeds ascending . . Empetracece. 220. 



Fruit dry. Seeds suspended . . . Euphorbiacece. 218. 



Artificial Analysis of the Rhizogens of Lindley. 



A. Ovules solitary Balanophoracets. 235. 



B. Ovules indefinite. 



Anthers opening by slits Cytinacece. 236. 



Anthers opening by pores Rafflesiacece. 237. 



