GAMOPETALAE. Loe 
Filaments thick. Stigma 1, capitate, 3- 
lobed, rarely stigmas 3, capitate. Radicle 
of the embryo long. Sepals free or 
united at the base only. Disc 0. Europe, 
East Asia, North America. 
Diapensiaceae. 
73 (a) Anthers dehiscing by 1 longitudinal slit. 
Ovary 5-celled. Corollaregular. Leaves 
alternate. Style undivided. Austral- 
asia and Fuegia. Epacrideae. 
(0) Anthers dehiscing by 2 apical pores, 
rarely by 2 longitudinal slits. Ovary 
3-4-celled and corolla regular, or ovary 
5-20-celled and corolla slightly irregular. 
Stamens free from the corolla. Style 
undivided. Ericaceae. 
74 (a) Ovules in the whole ovary 1-10, in each 
(27) cell 1-2, rarely 3-4. 75. 
(4) Ovules in the whole ovary numerous, in 
each cell more than 4. 84, 
75 (a) Ovule in each cell of the ovary 1, 76. 
(6) Ovules in each cell of the ovary 2-4. 79. 
76 (a) Ovules pendulous. Radicle of the embryo 
superior. Leaves alternate (only the 
lowermost. sometimes opposite) or all 
radical. 77. 
(4) Ovules erect, ascending, horizontal, or 
