500 



morning sun, until the offsets have taken new roots, when they must 

 be placed in a sheltered situation, so as to have the full sun. On 

 the approach of frosts, they should be placed in frames, and ma- 

 naged as plants of the tender kind. 



The second sort is very impatient of cold, and seldom flowers in 

 this climate. 



They produce variety among other potted plants of the green- 

 house kind. 



2.VITEX NEGUNDO. 



FIVE-LEAVED CHASTE TREE. 



THIS genus contains plants of the hardy and under-shrubby 

 kinds. 



It belongs to the class and order Didynamia Angiospermia, and 

 ranks in the natural order of Personatce. 



The characters are: that the calyx is a one-leafed perianth, 

 tubular, cylindric, very short, five-toothed; the corolla one-petalled, 

 ringent: tube cylindric, slender: border flat, two-lipped: upper lip 

 trifid, with the middle segment wider: lower lip trifid, with the 

 middle segment bigger: the stamina have four filaments, capillary, 

 a little longer than the tube, two of which aie shorter than the 

 others: anthers versatile: the pistillum is a roundish germ: style 

 filiform, length of the tube: stigmas two, awl-shaped, spreading: 

 the pericarpium is a globular berry or drupe, four-celled: the seeds 

 solitary, ovate. 



The species cultivated are: 1. V. Agnus castus, Officinal Chaste 

 Tree; 2. V. incisa, Cut-leaved Chaste Tree; 3. V. tnfolia, Three- 

 leaved Chaste Tree; 4. V. Negundo, Five-leaved Chaste Tree. 



The first has a shrubby stalk eight or ten feet high, sending out 

 their whole-length opposite branches, which are angular, pliable, 



