ALLIANCES OF PLANTS. 



201 



There is no difficulty in pointing out the various gradations that connect the genera 

 belonging to the orders comprehended in the Albuminous group. The most paradoxical 

 part of the combination is the union of baccate-fruited with dry-fruited plants : but even 

 Vitacese pass into Umbelliferae through Leea ; and the petals of the genus Vitis itself are 

 inflected at the points, in the way of Umbelliferae. 



GROUP II. EPIGYNOSvE. 



Alliance 1. Onagrales. .Estivation of corolla not valvate. 

 Placenta} central. Every part of the flower 

 some regular multiple of two. 



22. Onagraceae 

 Circaeeae. 

 Halorageae 



None. Harmless. 

 None. 



Alliance 2. Myrtales. ^Estivation of corolla not valvate. 

 Placenta} central. Number of parts of the 

 flower uncertain. 



Carpels single. Petals broad 23. Combretacese 



Carpels single. Petals very 24. Alangiacese 



narrow. 

 Stipules between the leaves 25. Rhizophoraceae 



Stamens bent downwards. 26. Memecylaceae. 

 Leaves one-ribbed. 



Stamens bent downwards. 27. Melastomaceae 

 Leaves three- or more- 

 ribbed. 



Leaves dotted, with an in- 28. Myrtaceae 

 trarnarginal vein. 



Leaves alternate. Flow- 29. Lecythidaceae 



ers irregular. 

 Leaves not dotted. Sta- 30. Philadelphaceae. 



mens straight. 



Astringent (Myro- 



balan). 

 Hydragogues. 



Astringent (Man- 

 grove). 



Slightly astringent. 



Aromatic stimulant 

 ( Cajeputi, Cloves) ; 

 bark astringent. 



Fruit eatable (Bra- 

 zil nut). 



Alliance 3. Cornales. ^Estivation of corolla valvate. 



Leaves with stipules . SI. Hamamelaceae. 

 Leaves without stipules . 32. Cornaceae . 

 Parasitical plants, bearing 33. Loranthaceae 



their stamens on their 



petals. 



Tonic. 

 Astringent. 



