GOOSEFOOT FAMILY 59 



(a) One or more of the valves with a swell- 

 ing on the midvein 

 x. Edge of the valves fringe-toothed 



(x) One of the valves warted; lower 



leaves heart-shaped at base R. obtusifolius 



(y) All the valves warted ; lower leaves 



tapering at base R. persicdris 



y. Edge of valves entire, not fringe- 

 toothed 



(x) All three valves warted 

 m. Leaves curly at edge R, crispus 



n. Leaves flat, not curly at edge R. brittdnica 

 (y) O*ne valve only warted 

 m. Pedicels about the length of the 



valves R m altissimus 



n. Pedicels 2-4 times as long as the 



valves R. patientia 



(b) All valves without warts, the edge often 



toothed R. occidentdlis 



CHENOPODIACEAE GOOSEFOOT FAMILY 



Sepals 2-5, united, sometimes none, rarely 1, petals none, stamens 2-5, 

 larely 1, ovary 1-celled, styles 1-3, fruit a 1-seeded utricle; flowers small, 

 green or greenish, rarely colored, perfect, monoecious or dioecious, usually 

 in dense clusters; annual or perennial herbs, rarely shrubs, with alternate 

 rarely opposite simple entire to lobed often fleshy leaves. 

 1. Leaves present; stem not jointed 



a. Leaves fleshy, linear, terete or nearly so, en- 



tire 



( 1 ) Shrub ; flowers monoecious ; fruit winged SARCOBATUS 



(2) Herbs; flowers perfect 



(a) Fruit winged; leaves spiny-tipped SALSOLA 



(b) Fruit wingless; leaves not spiny 



x. Calyx white-hairy KOCHIA 



y. Calyx smooth, greenish DONDIA 



b. Leaves hardly fleshy, flat, toothed or entire 

 (1) Flowers or most of them with both sta- 

 mens and pistils 



(a) Fruit horizontally winged CVCLOLOMA 



(b) Fruit not winged 



