737 



THE PALMS OF BRITISH INDIA AND CEYLON, 

 INDIGENOUS AND INTRODUCED. 



BY 



E. Blattee, S.J. 



Part XIII. 



(With Plates LXXV—LXXIX). 



(Continued from ]Da(je 531 of this Volume.') 

 ACTmORHYTIS, Wendl. and Dr. Linn., 39 (1875), 184. 

 (From the Greek " actis," ray, and " rhjrfcis," a fold.) 



Bl. Rumph. II, 68, t. 100, fig. 2 (Areca)—Mavt., Hist. Nat, 



Palm. Ill, 313 (8ecforthia)—Miq., Fl. Ind., Bat. Ill, 20 



(PtychospeTmci) — Scheff Ann. Jard. Bot. Buitenz,, I, 122, 136, 



156, t. 22, 23.— Griff., Palms Brit. Ind., 150, t. 230 B.— Benth. 



and Hook., Gen. PL III, II, 889, 14. 



High slender columnar unarmed palms, strongly annulate. 

 Leaves terminal, equally pinnatisect ; segments linear-lanceolate, 

 acute, obliquely dentate at the apex, thickened on the margins, 

 recurved at the base ; rhachis and plano-convex petiole furfuraceous. 



Spadix short-pedunculate with flexuose pendulous branches; 

 spathes 2, complete, complanate, caducous, the lower one elongate, 

 2-cristate. Flowers monoecious on the same infraroliaceous spadix, 

 the lower ones ternate with the median one female, or the upper 

 ones male, solitary and binate, all with bracts and bracteoles. Male 

 flowers minute, asymmetrical. Sepals orbicular, compressed-carinate, 

 concave, broadly imbricate. Petals 3, ovate, thickly coriaceous, 

 subequal, valvate. Stamens 24-30. Female flowers much larger, 

 ovoid. Sepals 3, reniform rotundate, broadly imbricate. Petals 

 slightly longer. 



Fruit large, roundish-elliptic ; remains on stigma vertical ; peri- 

 carp thick fibrous. Seed large, round, or elliptic -, raphe densely 

 branched ; albumen ruminate. 



Species. — 1. 



Distribution. — Malay Archipelago. 



ACTmORRYTIS CALAPPARIA, W. & Dr. in Linntea, XXXIX (1875), 

 184. — Pinanga calapparia, Rumph. Amb., I, 28. Valent. Amb., Ill, 185. — 

 Areca calapparia, Bl. Eumph., II, 68, t. 100, fig. 2. — Seaforthia calapparia. 

 Mart., Hist. Nat. Palm, III, 313. — PtycJiosperma calapparia, Miq. Fl,, Bat., 

 Ill, 20. — Areca cocoides, Griff., Calc. Joum. Nat. Hist., V, 454. Palms Brit, 

 Ind,, 150, t. 230 B. 

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