91 



CORYPHA 



X Trunk ZQ feet and upwards. Petioles comparatively short. 



Trunk annular or smooth ; drupes the size of a wood apple, 0. umbraculifera 



Trunk spirally-groved from the scars of the fallen spirally disposed leaves ; drupes the size of 

 a cherry, C. elata. 



X X Stem-less. 



Petioles 18 to 25 feet long ; drupes the size of a cherry, C. macropoda. 



LIVISTONA, 



Trunk 20-30 feet high ; spathes scurvy ; drupes globular, L. Jenkinsiana. 



Trunk 40 to GO feet high ; spathes smooth ; drupes elliptically obovoid L. speciosa. 



CHAM^ROPS- Only species C/i. Khasyana. 



LICUALA- 



X Otilyx about \to\ in. long. 



Flowers large. Leaves peltately-flabellate........ ,..., , L. peltata. 



X X Calyx 1-2 lin. long. Leaces palmatelyflabellate. 



Trunk 4-8 feet long ; petioles aculeate-bordered all their length ; calyx about a line long ; 



flowers small L. paludosa 



Almost stem-less ; petioles at the upper third part unarmed ; calyx ] \ lin. long ; ilowers 



small X. longipes. 



ROHASSUS. Only species, ,...B. flabelliformis. 



PHOENIX- 



X Spathes smooth ; flowers supported by a small subulate bract. 



Stemless ; petioles rather long and slender, spiny-armed ph. acaulis. 



X X Spathes covered by a brown scurf ; flowers without a bract. 



Robust, simple-stemmed ; petioles very short and dilated ; drupes about an inch long or 



longer, P/<. sylvestris. 



Soboliferous, slender ; petioles long and slender ; drupes about | an inch long,. . ,Ph. paludosa. 



CORYOTA- 



Simple-stemmed ; male petals about J an inch long by 3-4 lin. broad, C. urens. 



Usually soboliferous ; male petals about 4 lin. long and only l\ lin. broad ; anthers mucronate 

 to emarginate, ^ C. wbolifera, 



WALLICHIA- 



Spadices smaller, the male spikes almost filiform ; male flowers yellowish : calyx tubular, 

 about a line loug, ._ _. W'. caryotoides. 



Spadices very ample, the male spikes thick and rigid ; male flowers purplish or green : calyx 

 minute, only | lin. long, cupular, W. disticha. 



ARENGA. Only species, A, saccharifera, 



JUIECA- 



* Stamens 6 or 3. Stigmas 9. Female flowers lateral between the branchings, rarely 



axillary. Spadix often twice rmifled, the extremities of the branchings often more 

 or less filiform and covered icith male flowers only. 



X Stamens 6. Female flowers tcithout a broct. 

 Glabrous, simple-stemmed ; drupes as large as a hen's egg, J_. Catechu. 



X X Stamens 3. Female flowers without a bract. 

 Glabrous, simple-stemmed or stoloniferous, A., trtandra, 



Stamens numerous. Stigma 1. Female flowers in grooved rows, Spadix simply 



ramifled, rarely a simple spike. 



X Flowers distichous. 

 Tufted; spadix branched ; sheathes etc. slightly scurvy, A, costata. 



X X Flotcers Z-stichous. 

 Simple-stemmed ; spadix slender, ramified or simple ; sheaths etc. scurvy, A. gracilis, 



XXX Flowers 5- or G-sficheus. 

 Simple-stemmed ; sheaths etc. scurvy ; spadix simple, fleshy, as thick as the finger, A . hexasticha. 



COCOS. Only species, c. nucifera. 



MIPA. Only species, N.fruticans. 



