Class XXI. Order VIII. 



260. CALL A. 



CALLA VIRGINICA. -*ic/t. Virginian Calta. 



Leaves sagittate-hastate, with ohtuse lobes ; 

 spathe elongated, incurved. Mich. 



Sijn. ARUM VIRGIXICUM. L. 



The leaves of this plant may be mistaken at sight for those 

 of Sagittaria, from which they differ in their shorter and more 

 obtuse lobes, and the different distribution of their nerves. They 

 are radical, numerous, large, and smooth. Spathe erect, green, 

 fleshy, cylindrical, acuminate, and waved at its edge. Spadix 

 shorter than the spathe, tapering to a point, and covered with 

 flowers. Borders of ponds. June, July. 



261. FAGUS. 



FAGUS FERRUGINEA. Ait. Beech tree. 



Leaves ovate, acuminate, downy underneath, 

 with large teeth, ciliate at the margin. Willd. 



The Beech tree is known in winter by its smooth bark, its 

 narrow, acute buds, and marcescent leaves. The leaves are 

 ovate, fringed with fine hairs at the edge, furnished with paral- 

 lel veins like those of the Chesnut, and with indentations of mod- 

 crate depth at the edge. Calyx investing the fruit somewhat 

 ovate, muricated, with soft, short prickles. Nut triangular. 



The wood of the beech is not accounted very durable. 

 Avhcn exposed to the vicissitudes of weather. 



262. CASTANEA. 

 CASTANEA VESCA. Willd. Chesnut tree. 



Leaves oblong-lanceolate, acuminate, mucro- 

 nate-serratc, naked underneath. Willd. 



A very large and majestic tree. The bark of the trunk is 



