50 



A SYNOPSIS OF THE VEGETABLE KINGDOM. 



AA. Fls. with bractlets not ad- 



nate to perianth 



B. Embryo spiral ; albumL-n 



scant or 3. Salsola. 



BB. Embryo ring-shaped or 

 horseshoe-shaped : albu- 

 men copious 



(Salicornia has conduplicate 

 embryo and no albumen)... 

 c. Stem and branches ar- 

 ticulated : fls. im- 

 mersed in caves in 

 the superposed 



joints 4. Salicornia. 



CC. Stem not articulated... 

 D. Perianths heteromor- 

 phous : staminate 

 without bracts. 3- 

 5-lobed or parted ; 

 pistillate usually 

 with :; bractlets 

 accrescent in fr. 

 free or connate in- 

 to a sack, and no 



perianth 



E. Pistillate fls. with 

 out perianth 3-4- 



toothed 5. SriNACiA. 



EE. Pistillate fls. with 

 ample bracts 

 which enlar,t:e in 

 f r. : periatnh 0. .6. Atbiplex. 

 DD. Perianths homomor- 

 phous i. e. not of 

 two different forms 

 in the same plant. 

 E. I'"ls. hermaphrodite 

 and feminine, sol- 

 itary or glome- 

 rate : seed hori 

 zontal : embryo 

 annular ; albumen 



scant 7. Kochia. 



EE. Fls. slomerate, her- 

 m a p h r o d lie or 

 unisexual ; seed 

 erect, inverse or 

 horizontal ; em- 

 bryo annual or 

 horseshoe-shaped.. 

 F. Perianth tube 

 surrounded b y 

 a wins : sta- 

 mens 5 : seed 

 horizontal, 



bony 8. Cycloloma. 



FF. Perianth 5-parted 

 u s u a 1 I y un- 

 changed in fr. : 

 stamens 1-.5- 

 seed erect or 

 horizontal, 

 bony or leath- 



ei'v 9. Chenopodiom. 



FFF. Perianth 5-lobed 

 hardened at the 

 base in fruit : 

 seed horizontal, 

 leathery 10. Beta. 



115. PIIYT0LACC.\CE.T3. 



A. Ovary superior 



B. Carpel 1 1. Rivina. 



BB. Carpels 2- <» 2. Phytolacca. 



AA. Ovary semi-inferior ; f r. in- 

 ferior 3. AGDE.STIS. 



IIG. POLYGONACE.E. 



A. The fls. fascicled in the 

 a.xils or at the nodes of 

 inflorescence. (In the 

 first 3 genera sometimes 

 along the rachis of inflor- 

 escence) 



B. Albumen 3-6-lobed with 



longitudinal grooves 



and usually ruminate. . 



C. Fruiting perianth 



fleshy or berry-like 



at the base or every- 



where, the nut in- 

 cluded or exserted at 



the apex 1. Moehlenbeckia. 



CC. Fruiting perianth with 

 fleshy or berry-like 

 tube, including the 

 nut and often adnate 

 to it, crowned by the 

 unchanged connivent 

 or marcescent limb. ..2. Coccoloba. 

 CCC. Fruiting perianth en- 

 larged, membranous 

 or scarious. colored, 

 outer segments larger 

 and broadly cordate, 

 inner ones oblong. ..3. Antigonon. 

 BB. Albumen equable, entire.. 

 c. Perianth Smerous, 

 rarely 4-merous : 

 styles usually fili- 

 form and stigmas us- 

 ually capitate 



D. Pistil 2~3-nier(>us : 

 stamens usually 6- 

 8 : shrubs, often 



spinescent 4. Atraphaxis. 



DD. Pistil 3-merous : 

 stamens 8 or few- 

 er 



e. Nut entirely or 

 nearly covered 

 by the fruiting 



perianth 5- Polygonum. 



EE. Nut much longer 

 than the fruiting^ 



perianth 6. Fagopyrom. 



CC. Perianth 6-merous, 



rarely 4-merous 



D. Stamens 9, rarely 6 : 

 fruiting perianth 

 unchanged : nut 3- 



winged ~. Ehecm. 



DD. Stamens f*. rarely 9 : 

 inner segments 

 of f r u i t 1 ng peri- 

 anth much e n- 

 larged. erect and 

 including the 3-an- 



gled nut 8. RCMEX. 



AA. The inflorescence dichotom- 

 ously or umbellately 

 branched, the floral lv.s. 

 or bracts connate below 

 the branches into one 3- 

 cut bract or free and 3- 

 co in number 9. Eriogondm. 



117. NEPRNTHACE.15. 



Sole genus 1. Nepenthes. 



118. ARISTOLOCIIIACE.H. 



A. Perianth persistent, 3-Iobed 

 above ovary, regular sta- 

 mens 12 surrounding the 

 style in 2 series ; anthers 



free 1. Asarcm. 



AA. Perianth deciduous, irregu- 

 lar, polymorphous : an- 

 thers (!- 00 adnate in 1 

 series to a stylar column. 2. Aristolochia. 



119, I'lPERACE.E. 



A. Ovarv of 3 or 4 carpels, 2- 



S-oVuled 1. Sadrurds. 



AA. Ovary 1-celled. 1-ovuled. ... 

 B. Stamens 2-fi. anther cells 

 usually distinct : stig- 

 mas 3-4, rarely 2 or .'j.2. Piper. 

 BB. Stamens 2, anther cells 

 confluent into one 2- 

 valved anther: stigma 

 terminal or lateral, pen- 

 icillate or undivided.. .3. Pepebomia, 



120, CHLORANTHACE^. 



Fls. falsely hermaphrodite, 

 the staminate with 1-3 an 

 thers 1, Chloranthus. 



