212 ALLIANCES OF PLANTS. 



GROUP IV. COLUMNOSJ2. 



Alliance 1. Nepenthales. Flowers hypogy nous. 



153. Nepenthaceae. 

 Alliance 2. AristolocMales. Flowers epigynous. 



154. Aristolochiaceae . Tonic, stimulating. 



GROUP V. CURVEMBRYOSJE. 



Alliance 1. Chenopodales. Albumen present. Radicle next 

 the hilum. 



Flowers dry, with nume- 155. Amarantaceaj . Wholesome, insipid. 



rous bracts. 

 Flowers herbaceous. Car- 156. Chenopodiacese . Ditto (Spinach). 



pels solitary. 

 Flowers coloured. Carpels 157. Phytolaccaceae . Emetic. 



several. 



Alliance 2. Polygonales. Albumen present. Eadicle away 

 from the hilum. 



158. Polygonaceae . Acid (Sorrel) ; pur- 



gative and tonic 

 (Rhubarb). 



Alliance 3. Petivales. Albumen absent. Cotyledons spiral. 



159. Petiveriaceae. 



Alliance 4. Sclerales. Tube of the calyx hardened. 



Border of the calyx herba- 160. Scleranthaceae. 

 ceous. 



Border of the calyx peta- 161. Nyctaginaceae . Roots purgative. 

 loid. 



Alliance 5. Cocculales. Albumen present. Flowers formed 

 upon a ternary plan, dichlamydeous. 



162. Menispermaceae Root bitter, tonic 

 (Calumbd) ; seeds 

 narcotic (Coccu- 

 lus). 



vemn - ; they have not, how- 



ver, much relation to them, and the resemblance in their calyx is overcome by the struc- 



