5G4 



Alliance 20. Euphorbiales. — The Euphovbial Alliance. 



90. Eu|3hovbiaceae, Spurgeworts. — Gen. Euphorbia. Mercu- 



rialis. Buxus. 

 92 Callitrichacea3, Starworts. — Gen. Callitiiche. 

 93. Empetraceae, Crowberries. — Gen. Empetrum. 

 Alliance 21, Quernales. — The Quernal Alliance. 



95. Corylaceae, Mastworts. — Gen. Carpinus. Corylus. Fagus. 

 Quercus. 

 Alliance 22. Garryales. — The Garryal Alliance. 

 Alliance 23. Menispermales. — The Menispennal Alliance. 

 Alliance 24. Cucurbitales. — The Cucurbital Alliance. 



105. Cucuvbitaceaj, Cucurbits. — Gen. Bryonia. 

 Alliance 25. Papayales. — The Papayal Alliance. 

 Alliance 26. Violales. — The Violal Alliance. 



116. Violacea3, Violetvvorts. — Gen. Viola. 



117. Frankeniacese, Frankeniads. — Gen. Frankenia. 



118. Tamaricacea3, Tamarisks. — Gen. Tamarix. 



120. Crassulaceae, Houseleeks. — Gen. Tillaea. Cotyledon. 

 Sedum. Sempervivum. 

 Alliance 27. Cistales. — The Cistal Alliance. 



122. Cistaceae, Rock-roses. — Gen. Ilelianthemum. 



123. Brassicaceae, Crucifers. — Gen. Those of the Linnaean 

 class ' Tetradynamia.' 



124. Resedaceae, Weld worts. — Gen. Reseda. 

 Alliance 28. Malvales.— The Malval Alliance. 



130. Malvaceae, Mallowworts.— Gen. Malva. Althaea. Lava- 



tera. 



131. Tiliaceae, Lindeublooms. — Gen. Tilia. 

 Alliance 29. Sapindales. — The Sapindal Alliance. 



133. Polygalaceae, Milkworts. — Gen. Poly gala. 



138. Aceraceae, Maples. — Gen. Acer. 

 Alliance 30. Guttiferales. — The Guttiferal Alliance. 



146. Hypericaceae, Tutsans. — Gen. Hypericum. Parnassia. 

 Alliance 31. Nymphales. — The Nymphal Alliance. 



148. Nymphaeaceae, Waterlilies. — Nymphaea. Nuphar. 

 Alliance 32. Ranales. — The Ranal Alliance. 



154. Ranunculaceae, Crowfoots. — Gen. Those of the 'London 

 Catalogue of British Plants.' 



146. Papaveraceae, Poppyworts. — Gen. Chelidonium. Meco- 

 nopsis. Papaver. Roemeria. Glaucium. 

 Alliance 33. Berberales. — The Berberal Alliance. 



