Cf.wXXII. Order XIII. 363 



Order IV. TETRANDRIA. Four stamens. 



425. MYRICA. Calyx a concave scale of the ament ; 

 corolla none ; styles two ; berry one seeded. 



Order V. PENTAJVDRM. Five stamens. 



426. HUMULUS. Barren flowers, calyx five leaved ; 

 corolla none. Fertile flowers, calyx an oblique, entire 

 scale of an ament ; corolla none ; styles two ; seed 

 solitary, coated. 



427. ACNIDA. Barren flowers, calyx five leaved ; 

 corolla none. Fertile flowers, calyx two leaved ; co- 

 rolla none ; styles five ; seed one, covered with the 

 succulent calyx. 



Order VI. HEXAN1JRIA. Six stamens. 



428. SMILAX. Calyx six leaved ; corolla none ; 

 styles three ; berry three celled ; seeds two. 



429. DIOSCOREA. Calyx six parted ; corolla none. 

 Fertile flowers, styles three ; capsules three celled, 

 compressed ; seeds two, membranaceous. 



Order XII. POLYANDRIA. Many stamens. 



430. POPULUS. Calyx a lacerated scale of the 

 ament ; corolla tarbinate, oblique, entire. In the fer- 

 tile flowers, stigma four cleft ; capsules two celled, 

 many seeded. 



Order XIII. MONJIDELPHlJl. Stamens united. 



431. JUNIPERUS. Barren flowers, calyx the scales 

 of an ament ; corolla none ; stamens three. Fertile 

 flowers, calyx scales of an ament, fewer, three parted, 

 becoming fleshy, united into a three seeded berry. 



432. TAXUS. Barren flowers, calyx none ; corolla 

 none ; stamens numerous ; anthers peltate, eight cleft. 

 Fertile flowers, calyx cup shaped, entire ; style none ; 

 seed one, imbedded in the fleshy calyx. 



