DICOTYLEDONES— COEOLLIPLOE^ 



377 



Fig. 1141. 



Fig. 1142. 



their astringent leaves and bark, and for tlieir edible sub-acid 

 fruits. 



Order m. Eeicace^, the Heath Order. — Character. — 

 Shrubs or small frees. Leaves entire, evergreen, opposite, 

 whorled or alternate, exstipulate. Calyx 4 — 5-cleft, inferior, 

 persistent. Corolla hypogynous, gamopetalous, 4 — 5-cleft, or 

 rarely distinct ; cestivation imbricate. Stamens hypogynous, 

 as many, or twice as many, as the divisions of the corolla ; 

 anthers 2-celled, opening by pores or slits, appendiculate. 

 Ovary 4 — 5 -celled, with numerous ovules, surrounded by a disc 

 or scales; placentas axUe ; style 1 ; stigma simple or lobed. 

 Fruit capsular or rarely baccate. Seeds numerous, small, 

 anatropous ; emhryo minute in the axis of fleshy albumen. 



Diagnosis. — Shrubs or small 

 trees. Leaves entire, evergreen, 

 exstipulate. Calyx and coroUa 

 4 — S-merous. Calyx inferior. 

 CoroUa hypogynous, gamopeta- 

 lous, or rarely polypetalous. 

 Stamens hypogynous; anthers 

 2-ceUed, appendiculate, dehisc- 

 ing by pores or slits. Ovary 4 — 

 5-celled ; style 1 ; placentas 

 axile. Fruit capsular, or very 

 rarely baccate. Seeds small, 

 anatropous, numerous, with 

 fleshy albumen. 



Division of the Order and 

 Illustrative Genera.— The order ^.^ ^^^^^ vertical section of tlie 

 mav be divided into five tribes flower ol a species of HeatbC&ira'). 



/ -, Fig. 1142. Sporophylls of tlie 



as lOliOWS : — same. The stamens are seen to be 



Itypogynous. 



Tribe 1. Arhuiew. — CoroUa de- 

 ciduous. Fruit baccate. Illustrative Genus .-—Arbutus, Linn. 

 Tribe 2. Andromedece. — Buds usuaUy clothed with scales. 



CoroUa deciduous. Fruit capsular, loculicidal. Illustrative 



Gen«s . •— Andromeda, I/inra. 

 Tribe 3. iSrice^e.- Buds naked. CoroUa persistent. Fruit 



capsular, usually locuUcidal, or rarely septioidal. Illustrative 



Genera : — Erica, Linn. ; CaUuna, Salish. 

 Tribe 4. Bhodorem. — Buds scaly, cone-Uke. CoroUa deciduous. 



Fruit capsular, septicidal. Illustrative Genera : —Azalea, 



Linn. ; PhyUodoce, Salish. 



