CXXVIII. EEICINE^. 



515 



o 



Heath. 



Stamen with 



anther-cells 



appendicnlate at 



the base (mag.). 



Heath. 

 (Erica cinerea.) 



Heath. 

 Flower cut vertically (mag.). 



Heath. 



Pistil and androecium with 

 the corolla removed (mag.). 



Heath. 



Transverse section of 

 ovary (mag.). 



them, not adhering to the corolla, and inserted like it on the disk, or scarcely 

 adherent to its base ; filaments free, sometimes more or less monadelphous (Lageno- 

 carpus, Philippia) ; anthers dorsi- or basi-fixed, variously appendaged or not ; cells 

 2, hard, dry, separate at the base or top, opening by terminal or lateral more or less 

 oblique pores which are sometimes prolonged into 2 longitudinal slits (Loiseleuria, 

 Leiophyllum) . OVARY free, surrounded by a disk at its base, of several many-ovuled 

 cells, rarely few-ovuled (Calluna) or 1-ovuled (Arctostaphylos) ; style simple ; stigma 

 capitate, peltate or cyathiforra ; ovules anatropous. FRUIT a capsule berry or drupe. 

 SEEDS inserted on central placentas, small, numerous ; testa very adherent and dotted, 

 or loose reticulate and arilliforrn. EMBRYO straight, cylindric, in the axis of a fleshy 

 albumen; cotyledons short ; radicle opposite the hilum. 



TRIBE I. ARBUTE^E. Corolla deciduous. Fruit a berry or drupe. Evergreen 

 shrubs. 



PRINCIPAL GENERA. 

 Pernettia. * Arbutus, Arctostaphylos. 



TRIBE II. ANDROMEDE^E. Corolla deciduous. Capsule loculicidal. Shrubs with 

 persistent or deciduous leaves. Buds generally scaly. 



PRINCIPAL GENERA. 



* Clethra. 



* Epigsea. 



* Gualtlieria. 



* Zenobia. 



* Pieris. 



* Lyonia, 



* Oxydendrum. 



* Leucothoe. 



* Andromeda. 



* Cassandra. 



* Cassiope. 



L 2 



