A SYNOPSIS OF THE VEGETABLE KINGDOM. 



69 



151. COMMELINACE^. 



A. Pis. with 3 perfect stamens, 

 and 3 or fewer stami- 



nodes 



B. Anther cells parallel and 



contiguous 



C. Ovary 3-celled ; 2 an- 

 terior cells 1-2- 

 ovuled : posterior 1- 

 ovuled, empty or 



wanting 1. Commelina. 



CC. Ovary 2-.3-celled ; cells 



usually 2- 30 -ovuied.2. Aneilema. 



BB. Anthers with variously 



petaloid connective 



cells spirally twisted 



into numerous gyres. . . 3. Cochliostema. 



AA. Fls. with 6 stamens, rarely 



5, all perfect: no stami- 



nodes 



B. Anther cells dehiscing by 



a terminal pore 4. Dichoeisandra. 



BE. Anthers otherwise dehis- 

 cent 



C. Connective transversely 

 or divaricately 2- 



lobed 5. Zebrina. 



CC. Connective not 2-Iobed 



as in c 



D. Ovary cells 2-5- 



ovuled 



E. Cymes fascicle- 

 formed, with the 

 very short rachis 

 contracted into a 

 receptacle, sessile 

 inside the base of 

 the comp 1 i c a t e 

 floral Ivs. or vari- 

 ously paniculate. .6. Teadescantia. 

 BE. Cyme terminal, ped- 

 unculate with 2-3 

 longish branches 

 secund fid. from 



base 7. Tinantia. 



DD. Ovary cells l-ovuled.8. Rhceo. 



152. JUNACB.E. 



A. Anthers dorsifixed, versatile. 1. XaxthokhceA- 



«A. Anthers basitixed, erect 



B. Ovary l-celled, or more or 

 less perfectly 3-celled ; 

 placentce or cells co- 



ovuled 2. JUNCUS. 



BB. Ovary 3-celled ; cells 2- or 



few-ovuled 3. Prioxidm. 



153. PALMACE.E. 



SCMJIAKY OF TEIBES. 



A. Leaf-segments infolded in 

 vernation ; spadices inter- 



foliaceous 



B. Fls. dioecious 



c. Lvs. pinnatisect. seg- 

 m e n t s acuminate: 

 spathe solitary: 

 ovary of 3 distinct 

 carpels. only one 

 maturing : seed deep- 

 ly grooved ventrally 

 umbilicate, e m b r yo 



dorsal 1. Phcenix Teibb. 



CC. Lvs. plaited in a fan- 

 shaped fashion, 

 roundish, semi-orbic- 

 ular or wedge- 

 shaped. split : spathes 

 numerous • ovarv en- 

 tire or 3-lobed. 3- 

 celled, with erect 

 ovules : seeds with a 

 were dot of a hilum. 



raphe ventral 2. Coeipha Teibb. 



BB. Fls. usually hermaphro- 

 dite : lvs. much like 

 those of Corypha Tribe : 

 spathes numerous: 

 ovary entire, 3-lobed, 

 with ascending ovules : 



seeds with diffused 



hilum 3. BoEASsns Teibb. 



AA. Leaf-segments folded back 



in vernation 



B. Seeds adherent to the en- 

 docarp, hilum diffused, 

 embryo opposite pore : 

 spadices interfoliace- 

 ous : fls. usually mo- 

 ncecious in the same 

 spadix, the lower ones 

 in 3's with the middle 



one pistillate 4. Cocos Tbibb. 



BB. Seed umbilicate 



C. Raphe dorsal, embryo 

 ventral : spadices 

 terminal or axillary : 

 fls. polygamo-monoeci- 



ous 5. Lepidocarya 



Tribe. 

 CC. Raphe ventral ; embryo 



dorsal 6. Areca Tribe. 



1. Phoenix Tribe. 



Sole genus 1. Phcenix. 



2. Corypha Tribe. 



A. Style or stigma basilar in 

 fruit: albumen equable... 

 b. Style short : embryo term- 

 inal ; palms fruit once 



and die 2. Corypha. 



BB. Style elongated 



c. Embryo dorsal 3. Sabal. 



cc. Embryo sub-basilar. ...4. Washingtonia. 

 AA. Style or stigma terminal in 



fruit 



b. Perianth of imbricate pet- 

 als or corolla segments. 

 c. Fls. polygamo-dioscious : 

 carpels free : stigmas 

 sessile, distinct : em- 

 bryo dorsal 



D. Albumen ruminate. . .5. Cham.eeops. 

 DD. Albumen equable. ... 6. Rhapidophylldm. 

 CC. F 1 s. hermaphrodite : 

 carpels distinct : 

 styles long, distinct. 



d. Filaments free 7. Acanthorhiza. 



DD. I-'ilaments connate in- 

 to a tube 8. Teithrinax. 



bb. Perianth of valvate petals 

 or corolla lobes : see al- 

 so BBB 



c. Fls. dioecious : corolla 

 3-toothed : anthers 

 extrorsely dehiscent. 9. Rhapis. 

 cc. Fls. polygamo-monoeci- 

 ous : carpels distinct : 

 stigmas distinct, ses- 

 sile ; albumen equ- 

 able, ventrally 

 grooved : embryo dor- 

 sal 10. Trachycaepcs. 



ccc. Fls. hermaphrodite 



D. Embryo dorsal : albu- 

 men equable : car- 

 pels slightly coher- 

 ing or in Livistona 

 sometimes distinct. 

 E. Spadix branches not 

 sheathed : style 

 single, short, 3- 



cornered 11. Beahea. 



EE. Spadix rachis 

 sheathed : carpels 

 3-cornered : style 

 single, thread-like. 12. Liccala. 

 EEE. Spadix branches 

 naked or lower 

 ones hracted : car- 

 pels globose : 

 styles short, dis- 

 tinct or cohering.13. Livistona, 

 DD. Embryo, sub-basilar : 

 rachis of spadix 



sheathed 



E. Albumen ruminate : 

 carpels 3, distinct 

 at base : style 



