DECANDRIA MONOGYNIA. 



MONOGYNIA. 

 Species. 192. LAURUS. Sassafras, &c. 



Flowers polygamous or dioecious ; cal. 6-parted ; nect. ; stam. 9, 

 fertile ; 6 exterior naked ; the 3 interior augmented by 6 infertile 

 ones attached by pairs ; anth. of the sterile stam. glanduloid ; berry 

 1-seeded. (Leaves deciduous.) 



L. benzoin : flowers in conglomerate umbels, dioecious ; buds and ped- 

 icels smooth ; segments cuneate-oboval, entire, whitish and subpu- 

 bescent beneath. 



HAB. Shady wet places. Apr. An arom. shrub 4 10 fed high ; 

 Ji. yellow berry scar I. 



L. sassafras: flowers in conglomerate corymbs, dioecious; buds, 

 younger branches, and under surface of the leaves pubescent ; leaves 

 entire, or 2 3-lobed ; under surface prominently veined. 



HAB. Woods. Apr. A middle-sized tree; J0. gr. yellow; ber. 

 blue, on redped. 



Genera. 



DECANDRIA. 

 MONOGYNIA. 



* Flowers monopetalous. 



193. ARBUTUS. Calyx minute, 5-parted ; cor. ovate, diapnanous at 

 the base ; border small, 5-cleft, revolute ; Jilam. hairy ; berry su- 

 perior, 5-celled. 



194. GAULTHERIA. Calyx 5-cleft, with 2 bracts at the base ; cor. 

 ovate ; border small, 5-cleft, revolute ; Jilam. hairy , recept. 10-tooth- 

 ed ; caps, superior, 5-celled, covered by the calyx, which becomes a 

 berry. 



195. VACCINIUM. Calyx superior, 4 5-toothed ; cor. urceolate or 

 campanulate, 4 5 cleft ; Jilam. inserted upon the germen ; berry 4 

 5-celled, many seeded. 



196. ANDROMEDA. Calyx 5-parted ; cor. ovate, or subcylindrical ; 

 border 5-cleft, reflexed ; anther 2-horned ; caps. 5-celled, 5-valved ; 

 dissepiments from the middle of the valves. 



197. KALMIA. Calyx 5-parted ; cor. hypocrateriform ; border on the 

 under side, producing 10 cornute protuberances, in which the an- 

 thers are concealed ; caps. 5-celled, many-seeded; dissepiments mar- 

 ginal. 



198. RHODODENDRON. Calyx 5-parted ; cor. subinfundibuliform, 



30* 



