CLASSES, &c. AND GENERA ARRANGED. cxm 



Class XI. DODECANDRIA. 12 to 19 Stamens 



inclusive. 



Order I. MONOGYNIA. 1 Pistil. 



^AsARUM, Asarabacca. Cor. none. Cal. three-cleft, superior. 



Caps, six-celled. N. O. Aristolochiee. J — Page 131. 

 Lythriim, Purple Loosestrife. Cal. inferior, tubular, with twelve 



teeth alternately smaller. Cor. -pet. six, inserted upon the calyx, 



N. O. Lythrariee. J.— Page 132. 



Order II. DIGYNIA. 2 Pistils. 



Agrimo'nia, Agrimony. Cal. top-shaped, (turbinate,) five-cleft, 

 inferior, with hooked bristles. Cor.-pet. five, borne on the calyx. 

 Fruit of two capsules, not opening, (in dehiscent,) clothed with 

 th« hardened calyx. N. O. Rosacese. J. — Page 132. 



Order III. TRIGYNIA. 3 Pistils. 



■Rese'da, Rocket ; Mignonette. Cal. of one piece. Cor. -pet. more 

 or less divided, unequal. Cajos. one-celled, gaping at the top. 

 N. O. Resedaceee. DC— Page 133. 



(TETRAGYNIA. 4 Pistils.) 

 Tormentilla offici?idlis ; see in Icosandria. 



Order IV. DODECAGYNIA. Pistils 12. 



Sempervi'vum, Houseleek. Cal.-segments twelve, deep. Cor. -pet, 

 twelve. Caps, twelve. N, O, Crassulaceee. DC. — Page 

 133, 



Class XII. ICOSANDRIA. 20 Stamens, or more, 

 placed ou the calyx. 



The genera and species of this class belong to the Nat, Order 

 Rosacese of Jussieu. 



Order I. MONOGYNIA. 1 Pistil. 



Prunus, Plum, and Cherry. Cal. inferior (below the germen,) 

 . five-cleft. Cor. .pet, five. Nut of the stone-fruit (drupe) with 

 slightly prominent seams. — Page 134. 



