16 GENERAL OBSERVATIONS ON THE GENUS GRACILARIA. 



Natural Order Leguminos.i:. 

 Spartium Scoparium. KoUariella, 

 Ononis spinosa and Trifolium. Ononidis. 

 Orohus fiiger. Imperialella. 



Natural Order CoMBRETACEiE. 

 Terminalia Catappa. Terminalice. 



Natural Order Hamamelace^. 

 Hamamelis Virginica. Superhifrontella. 



Natural Order Composite. 

 Aster amdlus and Margarita Bellidiastrum. Pavoniella. 

 Arteynisia vulgaris. Omissella. 



Natural Order Oleace.^. 

 Ligustrum vulgare, Fraxinus excelsior and Syringa vulgaris. Si/ringclla, 



Natural Order Boraginace^. 

 Echium vulgare. Scalariella. 



Natural Order Labiate. 

 Teucrium Chamcedrys. Limosella, 



Natural Order Plantagine^. 

 Plantago Lanceolata. Tringipeimella. 



Natural Order Polygonace^. 

 Rinnex obtusifolius and Acefosella, Polj/gonum persicaria and Hydropiper. 

 Phasianipennella. 



Natural Order Urticace.e. 

 Humulus Lvpulus. Fidelia. 



Natural Order Amentifer^. 

 Salix caprcea^ S^^c. and Populus alba and pyramidalis. Stigmaiella. 

 Pupulus tremula. Populetoruin. 

 Betula alba. Populetorum and Elongella. 

 Alnus glutinosa. Elongella. 

 Quercus robur. Swederella. 



From the foregoing distribution, it 

 is scarcely possible to conjecture what 

 orders should demand our careful 



Cette distribution ne nous donne 

 pas I'idee sur quels ordres nous 

 avons a diriger notre attention pour 



