68 Flora of the Malayan Peninsula. 



Order LXVI. EEICACE^. 



Shrubs, trees, or perennial herbs. Leaves alternate or in pseudo- 

 whorls, ex-stipulate, entire or serrate. Floioers in racemes or fascicles- 

 or solitary ; pedicels bracteate and sometimes bi-bracteolate. Flotcers: 

 regular or (in BJiododendron) slightly irregular, hermaphrodite, some- 

 times dimorphous. Calyx free or (in Diplycosia) sometimes adnate to 

 the ovary, with 5 rarely 4 or 6, teeth or lobes. Corolla hypogynous, 

 persistent or deciduous, campanulate cylindric or urceolate, with 4 or 

 5 (rarely 6 to 10) imbricate or contorted, rarely valvate teeth or lobes, 

 (polypetalous in Pyrola). S'to7?ie?is' hypogynous or slightly attached to 

 the base of the corolla ; 10, or sometimes 5, 8, or 20 (in Diplycosia 

 sometimes epigynous) ; filaments free or united into a tube by their 

 bases ; anthers 2-celled, basi- or dorsi-fixed, dehiscing by apical porea 

 or slits, the cells often prolonged into apical tubes, sometimes dorsally 

 spurred. Disk vatious, annular or convex, crenate or lobed, sometimes 

 absent. Ovary 5-celled (rarely 4- to 16-celled) ; style slender, cylin- 

 dric ; stigma capitate or plane, entire or shortly lobed. Ovules 

 numerous, rarely few, on placentas in the inner angles of the cells or 

 pendulous from the upper corner. Fruit capsular, 5-celled, many- 

 seeded, sometimes appearing baccate from the adherence of the enlarged 

 succulent calyx. Seeds many, small, angled or compressed, albumi- 

 nous ;■ the testa often loose. — Disteib. About 1,200, in all parts of the. 

 world. 



Fruit capsular : — 



CaiDsule 5-valved, loculiciclal : — 

 Calyx surrounding the capsule succulent in fruit : — 



Anthers with 2 horns at the apex . . . . . . 1. Gaultheeia. 



Anthers not horned on the apex . . . . . . 2. Diplycosia. 



Calyx not succulent in fruit . . . . . . 3. Piebis. 



Capsule 5- to 20-celled, septicidal, calyx not succulent in fruit ; 



anthers dehiscing by pores . . . . . . . . 4. Ehododendeon. 



Fruit baccate . . . . . . . . . . 5. Pernettyopsis.. 



1. Gaultheria, Linn. 



Erect or procumbent shrubs, rarely epiphytic. Leaves coriaceous, 

 persistent, alternate, serrate or serrulate, penni-nerved. Flmoers small,, 

 occasionally dimorphic, in axillary or terminal racemes, or axillary and 

 solitary, bracteate and bi-bracteolate. Calyx with 5 teeth or lobes, 

 enlarged, succulent and coloured in fruit and enclosing the capsule, and 

 often with 2 simple or connate bracteoles at its base. Corolla ovoid- 

 278 



