58 



RANUNCULACEAE (CROWFOOT FAMILY) 



claws of the petals. Style 3-cleft at the apex. (Named in honor 

 of Dr. John Clayton, one of our earliest botanists.) 



C. virginica, SPRING BEAUTY. 



Leaves linear-lanceolate, 7-15 cm. 



long. Moist open woods, common. 



NYMPHAEACEAE 



(WA'TER LILY FAMILY) 



Aquatic perennial herbs, with 

 floating leaves. Flowers axillary 

 and solitary. 



NYMPHAEA 



Leaves with a deep sinus at the 

 base. Flowers yellow or sometimes 

 tinged with purple, produced all 

 summer. Sepals 5 or 6 or some- 

 times more, roundish, concave. Pet- 

 als numerous, small and thickish, stamen-like or scale-like, inserted 

 with the very numerous short stamens on the receptacle under the 

 ovary. Fruit ovoid, naked, usually ripen- 

 ing above the water. (Name formerly 

 used for the white-flowered water-lilies, 

 which were dedicated by the Greeks to 

 the water nymphs.) 



N. advena, YELLOW POND LILY. Sepals 6, 

 unequal, yellow, mostly tinged with green 

 or brown. Very common in still or stag- 

 nant water Nymphaea advena, Yellow 



pond-lily; flower and leaf. 



Claytonia virginica, Spring Beauty; 

 habit, corm, and flower. 



RANUNCULACEAE (CROWFOOT FAMILY) 



Herbs with flower parts all distinct, 3-15 sepals, petals 3-15 or 

 wanting, stamens numerous or rarely few, and many or feiv pistils 

 becoming either pods, achenes, or berries. When the petals are 

 wanting the calyx is often colored like a corolla. 



