CLASS X. 



DEC ANURIA. 



ORDER I. 

 MONOGYNIA. 



* Flozoers monopttalous. 



217. Arbutus. 281. Kalmia. 



278. Gaultheria. 282. Rhododendron, 



279. Vaccinium. 283. Rhodora. 



280. Andromeda. 284. Epig^a. 



285. Pterospora. 



* * Flowers polypetalous, regular. 

 28G. Monotropa. 288. Ledum. 



287. Pyrola. 289. Leiophyllum. 



290. Clethra. 



* * * Flowers polypetalous, irregular. 

 291. Cassia. 292. BAPTisrA. 



293. Cercis. 



277. ARBUTUS. L, 



Calyx minute, 5-parted. Corolla ovate, diaphanous 

 at the base ; border small, 5-cleft, revolute. Filaments 

 hairy. Berry superior, 5-celled. Gen. pi. 750. 

 .^'utt. 0<?«. L p. 262. Juss. p. 160. Lam. III. 

 t. 366. Nat. Ord. Erice^ Juss. Bear-herry. 



A. Uxa ursi L. : stem procumbent ; leaves cuneate-obo- 

 vate, very entire, coriaceous ; margin convex ; flowers fasci- 

 culate : berries 5-seeded. fVilld. Spec. II. p. 618. Smith 



