434 



CHENOPODIACEAE 



pendaged. About 125 species, temperate and subtropic regions of the whole 

 earth. (The ancient Latin name.) 



A. Herbs; monoecious. 

 1. Annuals ; inflorescence various. 



Somewhat succulent and mealy; leaves petioled, the lower at least 1 inch long; staminate and 

 pistillate flowers usually mixed in same cluster; bracts distinct or nearly so, ovate to 

 rhombic. 

 Lower leaves opposite ; flowers in naked or nearly naked spikes ; mostly coastal. 



Leaves mostly lanceolate; fruiting bracts 4 to 6 lines long 1. A. patula. 



Leaves triangular-hastate or deltoid; fruiting bracts 1% to 2 lines long 



2. A. hastata. 

 Leaves all alternate; interior species. 



Leaves triangular-ovate ; flowers in naked spikes ; fruiting bracts 1 line long 



3. A. spicata. 

 Leaves rhomboidal-hastate ; . flowers in axillary clusters; fruiting bracts 3 to 4 lines 



long . '. 4. A. phyllostegia. 



Not succulent, commonly whitish-scurfy; bracts more or less united and indurated and nut-like 



in fruit, the margins partly or wholly free, the sides smooth, toothed or appendaged. 

 Staminate and pistillate flowers mixed in axillary clusters; mostly small plants. 



Stems woolly -pubescent, the branches opposite throughout or mostly so; prostrate 



plant; leaves mostly less than 1% lines long 5. A. parishii. 



Stems scurfy or glabrate but not woolly, the branches alternate, at least above the 

 base; leaves small, 3 to 6 (or 10) lines long; fruiting bracts % to 2 lines 

 broad. 

 Decumbent plants. 



Bracts narrowly margined at summit with 3 to 5 small herbaceous teeth. . . . 



6. A. microcarpa. 



Bracts narrowly margined and dentate all around 7. A. saltonensis. 



Erect or ascending plants. 



Fruiting bracts with the margin toothed above the entire base. 



Leaves cordate-ovate, sessile 8. A. cordulata. 



Leaves oblong-lanceolate to ovate, short petiolate or mostly sessile 



9. A. coronata. 



Fruiting bracts circular, with a toothed margin all around. .10. A. elegans. 

 Staminate flowers in naked moniliform terminal spikes, the pistillate in axillary clusters; 



leaves mostly ^ to 1 inch long or less (except no. 13) ; commonly tall plants. 

 Plants erect, or mostly so, 2 to 3 feet high. 



Leaves oblanceolate or lanceolate; fruiting bracts 1 line broad.. .11. A. coulteri. 

 Leaves broadly or deltoid-ovate; fruiting bracts 2i to 3 lines broad. 



Staminate spikes short, dense 12. A. argentea. 



Staminate spikes elongated, interrupted 13. A. expansa. 



Plants decumbent; fruiting bracts triangular 14. A. decumbens. 



2. Perennials; staminate flowers in terminal naked spikes, the pistillate in axillary clusters. 

 Interior species of alkaline flats; bracts toothed; spikes often moniliform. 



Diffuse ; leaves mostly sharply dentate 15. A. bracteosa. 



Erect and rather rigid ; leaves entire 16. A. fruticulosa. 



Seaboard species; bracts entire; spikes usually dense. 



Stems prostrate, wiry; fruiting bracts membranous, compressed 17. A. calif ornica. 



Stems reclining, stout; fruiting bracts spongy, globose 18. A. leucophylla. 



B. Shrubs, or at least suffrutescent ; dioecious. 

 Fruiting bracts without lateral wings. 



Sides of fruiting bracts smooth, the margins entire or with very low teeth. 

 Fruiting bracts large, their margins free and more or less divergent. 

 Leaves entire, sessile or nearly so; fruiting bracts ovatish. 



Fruiting bracts 3 to 5 lines long; leaves not cordate. . . .19. A. confertifolia. 



Fruiting bracts 1 to 1% lines long; leaves cordate 20. A. parryi. 



Leaves coarsely toothed, petioled; fruiting bracts orbicular. .21. A. tiymenelytra. 

 Fruiting bracts small, their margins not divergent. 



Branches terete; bracts united about to middle or above; axes of spikes filiform, 

 pliable. 



Bracts flattened, obscurely crenate; desert 22. A. lentiformis. 



Bracts convex, entire ; coast 23. A. breweri. 



Branches striate-angled ; bracts distinct but closely compressed; axes of spikes 



stouter, rigid 24. A. torreyi. 



Sides of fruiting bracts crested or muricate, the margins laciniate or toothed. 



Bracts flattened, united about % 25. A. polycarpa. 



