98 CXLYII. PALME (WRIGHT). [ Areca. 
Genera about 140; species about 1200, dispersed throughout the tropics and 
extending a short distance outside, 
TriBe I, Arecese.—Leaves pinnatisect ; segments distinct or confluent into an 
entire, bifid or laciniate lamina, reduplicate in vernation, Flowers monecious or 
diecious. Seeds umbilicate ; raphe ventral ; embryo dorsal, 
Ovule erect. Albumen ruminate . ° ° - 1. ARECA. 
Ovule pendulous, Albumen homogeneous. 
Stamens6 . - . ° . . st 6 2. RODOCOCOUS: 
Stamens many . < > . . . . 38. SCLEROSPERMA, 
TriBE II. Phoenicese.— Leaves pinnatisect ; segments acuminate, induplicate 
in vernation. Spadices interfoliaceous, diwcious; spathe 1. Carpels 3, one only 
ripening ; stigma terminal. Seed deeply grooved ventrally, umbilicate ; embryo 
dorsal. 
The only genus - 4. PHa:NIX. 
Trize III, Lepidocaryeve.—Leaves pinnatisect (in the Tropical African 
genera) ; segments reduplicate in vernation, Spadices terminal or axillary ; spathes 
many or none. Flowers hermaphrodite or unisexual. Ovary entire, more or less 
perfectly 3-celled. Fruit clothed with shining retrorsely imbricate scales. Seeds 
umbilicate ; raphe dorsal ; embryo ventral. 
Stems erect . : C : : : : . 5. RAPHIA. 
Stems climbing. 
Polycarpic. 
Spathes present, 
Ovary imperfectly 3-celled . : : . 6. CALAMUS. 
Ovary perfectly 3-celled : : : . 7. ONCOCALAMUS. 
Spathes none . : : : : : . 8. EREMOSPATHA. 
Monocarpic . < : c : : : . 9. ANCISTROPHYLLUM, 
TriBe [V. Borasseve.— Leaves fan-shaped ; segments reduplicate in vernation. 
Spadices interfoliaceous, diwcious ; spathes many, sheathing. Ovary entire, 3- 
celled ; ovules ascending. Seed with a diffuse hilum. 
Albumen homogeneous. 
Male flowers many in pits on the spadix. 2 . 10. BoRaAssts. 
Male flowers solitary in pits on the spadix . . 11. HYPHENE. 
Albumen ruminate . : . 12. MEDEMIA. 
TRIBE V. Cocoineve.—Leaves pinnatisect ; segments reduplicate in vernation 
Spadices interfoliaceous ; spathes 2 or many. Flowers (at least on the lower par t 
of the spadix) in threes, the central female, the lateral male. Ovary 1-7-celled. 
Fruit 1-7-celled ; stigmas terminal ; endocarp with 3-7 pores. Seed adhering to 
the endocarp ; hilum diffuse ; embryo opposite a pore of the endocarp. 
Male flowers sunk in pits on the spadix. Pericarp 
spongy . . : . ° - ° . 13. ELH#Is. 
Male flowers superficial, Pericarp thick, fibrous . 14. Cocos, 
1. ARECA, Linn.; Benth. et Hook. f. Gen. Pl. iii. 883. 
Male flowers minute, solitary or geminate on the spadix-branches. 
Sepals 3. Petals 3, much longer than the sepals, broadly ovate. 
Stamens 3 or 6. Female flowers much larger than the male, solitary 
towards the base of the spadix-branches. Sepals and petals usually 
