CLXiii. PALMES. (Beccari & Hook, f.) 403 



TaiBE I. Areceae. Leaves pinnatisect ; leaflets free with reduplicate 

 sides, or confluent as a plaited limb. Flowers moncecious or dioecioTis. 

 Seeds with ventral raphe and dorsal embryo. 



A. Spadix infrafoliar (that is flowering after the fall of the leaf in 

 the axil of which it was formed). 



_ Subtribe 1. Etjakbceje. Male fl. ansymmetric ; sepals small ; petals 

 imbricate. Stigma in the fruit terminal.— Spadix androgynous; flowers 

 usually ternate, the middle one female. 



* Ovule basilar, erect. 



Male fl. minute, solitary or 2-nate towards the tips of the 

 branches, 3- or 6-androus ; fem. larger solitary. Albumen 

 ruminate 1. Abeoa. 



Male fl. one on each side of a fern., stamens 6 or more. 



Albumen ruminate 2. PiNAlf&A. 



** Ovule parietal. 



Male fl. 6-androas ; sepals equalline; or longer than the 

 petals; fem. sepals and petals broadly imbricate. Albu- 

 men ruminate . . ..... 3. Nenga. 



Male fl. 9-12-androas i fem. petals with valv:ite tips. Albu- 



men.ruminate 4. Loxococcus. 



Subtribe 2. Ptychosperme^. Male fl. sjmmetrio ; sepals broad, rounded, 

 imbricate. Stigma in the fruit terminal. Ovule parietal or pendulous 

 from the tip of the cell. — Spadix androgynous, flowers usually ternate, the 

 middle one female. 



Stamens 6. Albumen ruminate. Leaflets acuminate. 



Seeds deeply grooved along the raphe 5. Ptyohobaphis. 



Stamens 6-15. Albumen equable. Leaflets entire or 



obliquely 2-toothed 6. Cyetostaohys. 



Subtribe 3. ONCosPEBMEiE. Malefl. symmetric or not; sepals imbricate j 

 stigma in fruit lateral or basilar. 



Male sepals small, acute. Stamens 6-12. Albumen rumi- 

 nate. Armed palms; leaflets acuminate 7. Onoosebbma. 



B. Spadix interfoliar (flowering while the leaf in whose axil it is formed 

 is still green) or infrafoliar in some Oaryotideae. 



Subtribe 4. iGUANUBBiE. Spadix androgynous ; fem. fl. between two 

 males; male sepals broadly imbricate. 0««.?es basilar or parietal. Stigma 

 in fruit lateral or basilar. 



Stamens 6-9. Ovules parietal. Stigma in fruit basilar or 



subbasilar. Leaflets obliquely truncate 8. Iguantjea. 



Subtribe 5. GEONOMEis. Spadices unisexual ; flowers sunk in cavities 

 of its branches ; perianth glumaceous ; sepals imbricate. Stigma in fruit 

 basilar or lateral. 

 Filaments free. Leaflets acuminate 9. Bbntinoeia. 



Subtribe CAHYOTiDEiE. Spadices unisexual ; flowers solitary, or 

 ternate with the fem. placed above the others. Petals of both sexes 

 valvate. 



s d 2 



