Female spadices with a peotiuate-toothed sterile lamina tapering in a pectinate-serrate acu- 

 men, G. circinalii. 



Female spadices with a sparingly toothed or almost entire sterile lamina, tlie acumen quite 



entire, .... C. Itumphii. 



Female spadices with a very broad deeply pectinate lacerate sterile lamina, the acumen 



entire C. peclinala. 



Ti-unk suhteiranean or shortly protruding from the ground. Ovules solitary on 

 each side oj the frond-stalk. 



Female spadices with a very broad deeply pectinate lacerate sterile lamina, the acumen 

 broad and as long as the lamina itself, with a few spiny serratures (7. Siamensis, 



B. MONOCOTYLEDONS. 



PALMAE. 



Conspectus of genera. 



* Fmit covered with retrorsely imWicate scales or bristles. Seeds often arillate. 



>t Flowers spirally arranged, forming a more or less dense cylindrio spike. 

 ZaIiACCA. Spathes elongate, cleft to the base. Stem-less or almost stem-less erect palms, more or less armed. 



y. y. Flowers distichous. 

 Calamis. Spathes tnbnlar, persistent. Scandent, rarely erect palms, more or less armed. 



Fruits not scaly, smooth or variously tnbercled reticulate or roughish. Seeds withont arillns. 



>t Leaves fan-shaped. Perianth in both sexes complete. 



+ Carpels apocarpous or united at the apex or with their styles, ttsnally one only of them 

 coming to perfection. 



O Inflorescence terminal. Corolla oonsistin" of 3 free petals. 



Cobtpha. Flowers hemaaphrodite, clustered. Stamens hypogynous. I)rupo corticate. Pinnae united into a blade. 



Erect palma dying off after flowering. 



O Inflorescence axillary. Corolla 3-partod. Drupe sappy. 

 LrvisTONA. -Flowers hermaphrodite, clustered. Stamens perigynous. Albumen with a cavity fiUed with the in- 

 truding integuments. Pinnae connate in a blade. 



Chahebops. Flowers polygamous, several together. Stamens hypogynous. Albumen with a longitudinal furrow. 



Pinnae united into a blade. Erect palms. 



LicuALA, Flowers hermaphrodite, solitary or by 2 or 3. Stamens perigynous, the filaments inserted at the throat 



and united in a ring. Pinnae free or by 2 or more united into broader or narrower flabellate segrmeots. 



4- {' Carpels syncarpous, the ovary 2-4 celled with as many ovules. Drupes 2-4-celled with ab 

 many seeds. 

 BoRASSVB. Spathes incomplete, several. Corolla imbricate in bad. Drupe large, fleshy-fibrous. Seeds pomaceoos 

 with an apical pore. Pinnae united into a blade. Erect palms. 



y, X Leaves pinnate, twice pinnate or piuuatisect, rarely almost entit. Perianth complete in both 

 sexes. 

 J^. Carpels 3, distinct. 



Fhosxix. DioBcioas, spathes 1 or 2, boat-shaped. Corolla in males valvale, in the females imbricate. Drupes 



sappy, singly. Albumen homogeneous. Lower pinnae spiny reduced. Erect palms. 

 ^. if. Ovary synoarpous, 13 celled, with as many ovules. 



O Spathes several, tubular or sheatliing, persistent. Pinnae of leaves often fascicled, jagged or 

 erose-toothed. Erect palms, 

 t Leaves bipinnate. 

 Cabtota. Flowers monoecious on the same apadix. Stamens indefinite. Petals in females imbricate in bud. Drupe 

 sappy. Albumen mminate. 



t + Leaves simply pinnate. Petals in females valvate. 

 y^jj.JjlCBlJk. Flowers monoecious on diftorent spadices, rarely dioecious. Ovary 2-celled. Stamens often definite. 



Drupe sappy. Albumen homogenous. 

 AbE2(GA. Flowers monoecious on diflerent spadices. Stamens indefinite. Ovary 3-celled. Dmpe depressed 3 an- 

 gular, rather dry. Albumen homogeneous. 



O Spathes 1 or 2, boat- or spindle-shaped, deciduous. Leaves simply pinnate, the pinnae 

 solitary, never fascicled. Erect palms. 

 f Spathes boat-shaped. Putamen not perforated. Albumen solid, homogeneous Or nuni- 

 nate. 



Akeca. Flowers monoecious, tmmersed in the cavities of the rachis. Stamens definite or indefinite. Albumen 



ruminate. Pinnae irregularly uuited into broader or narrower segments, rarely all united into a 2-cleft 

 blade. 



+ + Spathe spindle-shnpcd or clavate. Putamen at the base 3-porons. Albumen hollow. 



Cocos. Monoecious on the same spadix. Petals in females imbricate-convolute. Ovary 3-cclled, only one of the 



cells ovole-bearing. Drupe large, woody. Albumen homogeueons. 



)()()( Perianth of females reduced to a few scales. Carpels 3, apocarpous. Male flowers iu 

 scpamte spadices surrounding the central solitary female-head. Leaves pinnate. 



jjjpi, Spathes many, sheating, persistent. JIale perianth 6-parted, valvate in bud. Stamens uuited by threes. 



Drupes woody, augulai'-turbinate, in a large dense head. Albumen homogeneous, hollow. 



CALAMUS- 



Erect, tufted ; leaves white beneath. No tendrils whatever, <..> ^ >..>...... 17. arboreseens. 



Erect or nearly so, tufted ; leaves uniformly gfeen, without tendril ; the sheatlis and spathes 

 with tendrils , .....,.. C. ereetus. 



