10 



A SYNOPSIS OF THE VEGETABLE KINGDOM. 



single, short. 3- 



grooved 1-*. Copernicia. 



EE. Albumen equable. . 

 F. Corolla tube per- 

 sistent; seg- 

 ments dec-idu- 

 ous : ovary 3- 

 corneved oi- 3- 

 lobed narrowed 

 into a style. ... 

 FF. Corolla otherwise. 15. Pritchardia. 

 G. Carpels free at 

 base : style 

 single, slen- 

 der elonga- 

 ted 16. Seren-ea. 



GG. Carpels slightly 

 c o h e r 1 ng : 

 style single, 

 short. 3- 



grooved. ,..17. Ertthea. 

 BBB. Perianth minute 6-fid. or 



obsolete 18. Thrinax. 



3. Borassus Tribe. 



4. Stamens 6 



B. Fls. numerous in the ca- 

 vities of the spadix.. . . 10. Borassus. 

 BB. Fls. solitary in the cavit- 

 ies 20. Hyph.ene. 



AA. Stamens numerous 



B. Fls. numerous in cavities. 21. Lodoicea. 

 BB. Fls. solitary in cavities. .22. Latania. 



4. Cocos Tribe. 



a. Palms armed with prickles: 

 fr. 1-seeded ; endocarp 3- 

 porous at or above the 



middle 



B. Pistillate fls. with petals 

 united for a consider- 

 able distance: starai- 

 nate fls. smaller: endo- 

 carp bony 



C. Staminate fls. not im- 

 mersed in spadix : 

 leaf-segments acum- 

 inate 23. Bactris. 



CC. Staminatp fls. immersed 

 in cavities of spadix : 

 leaf segments prae- 



morse 24. Astrocartum. 



BB. Pistillate fls. with petals 

 connate only at base. .. 

 c. S t a m i n a t e fls. im- 

 mersed ; anthers 

 large, inserted : leaf 

 segments acuminate. . 25. Acrocomia, 

 CC. Staminate fls. not im- 

 mersed : anthers in- 

 cluded : 1 e a f s e g- 

 ments wedge-shaped. 



prsemorse 26. Martinezia. 



aa. Palms unarmed 



B. Endocarp 3-porons above 



middle: fr. 1-3-seeded.. 27. El.eis. 

 BB. Endocarp bony and except 

 in Jubrea, 3-6-porous 

 towards base : fr. 1- 



00 -seeded 



c. Spadix simple 28. Diplothemium. 



CC. Spadix simply branched. 



D. No. of stamens 6 : fr. 



1-seeded (in Schee- 



lea sometimes 2-3- 



seeded 



E. Petals minute, much 

 smaller than ex- 



serted stamens of2n. Maximiliana. 

 staminate fls. ... 

 EE. Pe t a 1 s lanceolate : 



stamens included. 30. Cocos. 



[Note. — Latest researches point toward the Amer 

 ican nativity of the Cocoanut. Cook, in Bull. — Div. ol 

 Hot., U. S. Dept. Agric] 



EEE. Petals shaped like 

 a long club, or 

 cylindrical : sta- 

 mens shorter 31. SCHEELEA. 



DD. No. of stamens 10-24 

 or more : petals of 

 staminate fls. lance- 

 olate : stamens 

 included ; anther 



cells connate 



E. Fr. 2-6-seeded 32. Attalea. 



EE. Fr. 1-seeded ; the 

 endocarp 3-porous 

 at the middle or a 

 little lower 33. Jub.ea. 



5. Lepidocarya Tribe. 



A. Lvs. fan-shaped : ovary per- 

 fectly 3-ceIled 34. Mauritia. 



AA. Lvs. equally pinnatisect : 

 ovary imperfectly 3- 

 celled : spadices axillary. 

 B. Palms fruit once and die. 35. Plectocomia. 

 BB. Palms fruit more than 

 once ; usually climbers. 

 c. Spathes solitary, de- 

 ciduous : leaf seg- 

 ments rhombic : 

 nerves fan-shaped. ..36. Ceratolobus. 

 CC. Spathes numerous, per- 

 sistent : leaf s e g- 

 ments a c u m i n ate ; 



nerves parallel 



D. . Spadices contracted : 

 spathes cymbiform. 

 beaked, long.-per- 

 sistent, the 2 lower 

 ones forming an in- 

 volucre for the 



others 37. D.emoxorops. 



DD. Spadices diffused, or 

 if contracted the 

 spathes are flat and 

 persistent only dur- 

 ing anthesis 38. Calamus. 



6. Areca Tribe. 



(Key to Subtribes.) 



A. Petals of the pistillate fls. 

 valvate throughout nearly 

 their whole length : spa- 

 dices interfoliaceous ; 

 spathes 2 or more; ovary 



entire. 3-celled 1. CaryoUdcw. 



AA. Petals of the pistillate fls. 

 overlapping or valvate 

 only at apex, very rarely 



valvate throughout 



B. Spadices infrafoliaeeous. . 



c. Stigmas te r m i n a 1 in 



fruit : ovary entire, 



1-celled 



D. Staminate fls. unsym- 

 metrical : sepals 

 usually small and 



not imbricate 2. Euarecece. 



DD. Staminate fls. sym- 

 metrical : sepals 

 usually roundish 

 and widely over- 

 lapping 3. Ptychospennew. 



CC. Stigmas usually excen- 

 tric or lateral in 

 ovary entire or 3- 

 lobed : leaf-segments 



acuminate 



D. Spathes 2: ovary en- 

 tire 4. Oncospermew. 



DD. Spathes n u m erous : 

 leaf segments 



wedge-shaped 



E. Ovary entire: 

 younger spadices 



horn-shaped 5. Iriavteew. 



EE. O V a r y d e e p ly 3- 

 lobed, with large 

 stigmas : spadices 



club-shaped 6. Wctteniece. 



BB. Spadices nearly always 



interfoliaceous 



c. Stigmas terminal in fr., 



rarely basal 



D. Ovary 1-celIed: spa- 

 dix simple, with 



