XT. GENEALOGY. 



ities as a tribe. They will mentally connect the whole 

 useful group with the three great ^Esculapiadae, Cin- 

 chona, Coffea, and Camellia. 



30. Taking next the water-plants, crowned in the 

 DROSIDJ5, which include the five great families, 

 Juncus, Jacinthus, Amaryllis, Iris, and Lilium, and are 

 masculine in their Greek name because their two first 

 groups, Juncus and Jacinthus, are masculine, I gather 

 together the three orders of TRITONIDES, which are 

 notably trefoil ; the NAIADES, notably quatrefoil, but 

 for which I keep their present pretty name ; and the 

 BATRACII1DES,* notably cinqfoil, for which I keep 

 their present ugly one, only changing it from Latin into 

 Greek. 



31. I am not sure of being forgiven so readily for 

 putting the Grasses, Sedges, Mosses, and Lichens to- 

 gether, under the great general head of Demetridse. 

 But it seems to me the mosses and lichens belong no less 

 definitely to Demeter, in being the first gatherers of earth 

 on rock, and the first coverers of its sterile surface, than 

 the grass which at last prepares it to the foot and to the 

 food of man. And with the mosses I shall take all the 

 especially moss-plants which otherwise are homeless or 

 companionless, Drosera, and the like, and as a conndct- 

 ing link with the flowers belonging to the Dark 



* The amphibious habit of this race is to me of more importance 

 than its outlaid structure. 



