658 



SYSTEMATIC BOTANY. 



Artificial Analysis of the 'Natural Orders in the Suh-class 

 MoNocHLAMVDE^. Modified from Lindley. 



(The Numbers refer to the Orders as previously described.) 

 1. Achlamydeous Flowers. 



A. Leaves stipulate. 



a. Flowers unisexuaL 

 Ovary 1-celled. 



Ovules numerous, comose . . , . 

 Ovules 1—2. 

 Ovule erect ...... 



Ovnle pendulous 



Ovary 2 or more celled. 

 Seeds numerous, winged . , ► . 

 Seeds few, not winged 



b. Floicers hermaphrodite. 

 Carpel solitary. 



Ovule erect. Embryo in a vitdlus 

 Ovule suspended. Embryo naked 

 Cai-pels several. 



Ovule erect. Embryo in a vitellus 



B. Leaves exstipulate. 

 a. Flowers unisexual. 



Ovule very numerous . ► . . . 

 Ovules solitary, or very few. 

 Flowers naked. 



Ovary 1 -celled 



Ovary 4-celled 



Flowers in an involucre. 

 Anther- valves recurved .... 

 Anther-valves slit. 

 Embryo on the outside of the albumen 

 Embryo enclosed in the albumen 

 h. Flowers hennaphroclite. 



Embryo in a viteUus 



Embryo without a vitellus .... 



Salicacece. 234. 



Myricacece. 230. 

 Platanacete, 214. 



Altingiacece. 233. 

 Euphorbiaceoe. 218. 



Piperaceas. 190. 

 Chloratithaceoe. 191. 



Saururacece. 192. 



Podostemacece. 193. 



Myricacece. 230. 

 CaUitrichaeece. 217. 



Atherospermacece. 201. 



Monimiacece. 202. 

 Euphorbiaceoe. 218. 



Piperaceo!. 190. 

 Podostemacece. 193. 



2. Monochlamydeous Flowers. 



A. Ovary inferior, or partially so. 



a. Leaves stipulate. 



1. Flowers hermaphrodite .... Aristolochiaceoe. 2x3. 



2. Flowers unisexual. 



Fruit cupulate Corylaceoe. 229. 



Fruit naked. 



Many-seeded Begoniacece. 204. 



One-seeded Artocarpaceoe . 213. 



b. Leaves exstipulate. 



1. Flowers hermaphi-odite. 



Ovary 3— 6-celled. Ovules numerous . . Aristolochiacece. 223. 

 Ovary 1-celled. Ovules definite. 

 Ovules with a naked nucleus , . . Loi'anthacece. 225. 

 Ovules with a coated nucleus. 

 Calyx valvate. Embryo straight . . Santalacece. 224. 

 Calyx imbricated. Embryo curved . Chenopodiacece. 183. 



2. Flowers unisexuaL 

 Amentaceous. 



Leaves alternate Myricacece. 230. 



Leaves opposite. 



Simple leaves Garryacece. 227. 



Compound leaves Juglandacece. 228. 



