494 ' CLASSIFICATION. 



The lily-of-the- valley family (Convallariaceae, examples: lily- 

 of-the-valley, Trillium, etc.) 



The amaryllis family (Amaryllidaceae, examples: Narcissus, 

 the daffodil; Cooperia, in southwestern United States). 



948. Order Scitaminales. This order includes the large 

 showy cultivated Canna of the canna family. 



949. Order Orchidales. Example, the orchid family (Orchi- 

 daceae) with Cypripedium, Orchis, etc. 



II. CLASS DICOTYLEDONES. 



SERIES i. CHORIPETAL.E. Petals wanting (Apetalae, or 

 Archichlamydae of some authors), or present and distinct from 

 one another (Polypetalae, or Metachlamydae). 



950. Order Casuarinales, confined to tropical seacoasts 

 (example, Casuarina). 



951. Order Piperales includes the lizard's-tail family (Sau- 

 ruraceae), Saururus cernuus, lizard's-tail, in the eastern United 

 States. 



952. Order Salicales. Shrubs or trees, flowers in aments. 

 Includes the willows and poplars (Salix and Populus of the 

 willow family, Salicaceae. 



953. Order Myricales. Shrubs or small trees. Includes the 

 sweet-gale (Myrica gale) in wet places in northern United States 

 and British North America, Myrica cerifera forming thickets 

 on sand-dunes along the Atlantic coast, and the sweet-fern 

 (Comptonia peregrina = C. asplenifolia) in the eastern United 

 States in dry soil of hillsides. 



954. Order Leitneriales. Shrubs or trees. Includes the cork- 

 wood, Leitneria floridana (Leitneriaceae). 



955. Order Juglandales. Trees, staminate flowers in aments. 

 The walnut family (Juglandaceas, examples: walnut, butternut, 

 etc. Juglans; hickory, Hicoria = Carya. 



956. Order Fagales. Trees and shrubs. Flowers in aments, 

 or the pistillate ones with an involucre which forms a cup in 

 fruit, as in the acorn of the oak. 





