360 MERRILL. 



Twelve of the seventeen species below enumerated from the Philip- 

 pines, are endemic in the Archipelago, while one, Ganinia mangostana 

 Linn., is undoubtedly an importation from western Malaya. Five species 

 are described as new and four are credited to the Philippines for the 

 fi]'st time. 



KEY TO THE SPECIES. 



Flowers 5-inerous (Xaxthociiyjius) . 



Inflorescence terminal, cymose 1. (?. vidalii 



Inflorescence axillary, fasciculate. 



Leaves broad and rounded at the apex; flowers subsessile... 2. G. subelliptica 

 Leaves more or less acuminate at the apex. 



Rudimentary ovary in the male flowers none; staminal plialanges free; 



flowers long-pedicelled 3. G. dulcis 



Rudimentary ovary present in the male flowers, the staminal phalanges con- 

 nate with it; flowers sessile or very shortly pedicellate. 



4. 0. mosrlleijana 

 Flowers 4-merous (Eugarcixia) . 



Stamens of the male flowers many, occupying both sides of four pedicel led 

 phalanges; anthers sessile, 2-celled, dehiscing longitudinallj'. 



Flowers in short axillary cymes 5. G. luzoniensis 



Flowers in axillary fascicles. 



Leaves short-rostrate; nerves very numerous, slender, spreading, distinct. 



6. G. eugeniaefolia 

 Leaves acuminate, not rostrate; nerves obscure, distant, ascending. 



7. G. (Jives 

 Stamens of tlie male flower in a 4-lobed mass surrounding the rudimentary 

 ovary. 

 Rudimentary ovary sessile; flowers large; fruit dafk-purple, edible. The 



mangosteen 8. G. mangostana 



Rudimentary ovary more or less peduncled ; flowers medium; fruit green or 



yellowish 9. G. ienthanii 



Stamens of the male flower many, in a single unlobed mass; anthers 2-celled, 

 dehiscing longitudinally. 



Rudimentary ovarj- wanting in the male flower 10. G. cumingiana 



Rudimentary ovary present. 



Some flowers with petaloid staminodes II. G. callcryi 



Flowers without staminodes 12. G. venulosa 



Stamens 4 to 14; anthers dehiscing longitudinally; rudimentary ovary none. 

 Lateral nerves about 40 on each side of tlie midril), dense; stamens 4. 



13. G. tetrandra 

 Lateral nerves 10 to 20 on each side of the midrib, rarely more, distant. 



Lateral nerves about 12; stamens 4 14. G. rubra 



Lateral nerves about 20; stamens 8 to 14 15. G. binucao 



Stamens many, united into a globose mass; dehiscence of fhe anther-cells 

 circumscissile; rudimentary ovary none. 



Anther-cells peltate IG. G. niindannensis 



Anther-cells not peltate 17. (/. lateriflora 



1. Garcinia vidalii sp. nov. § Xanthochymus. 



Garcinia ovalifoUa Vidal Sinopsis Atlas (1883) t. 11, f. A, non Ilook. f. & Th. 



Garcinia sp. Vidiil Rev. PI. Vase. Filip. (1886) .')3. 



