Part 1, 1916] CHENOPODIACEAE 87 
Leaves broadest at the base, those of the inflorescence ovate or ovate- 
lanceolate; flowers and leaves crowded. 2. D. depressa. 
Leaves narrowed at the base, or at least not broadened, those of the 
inflorescence linear or linear-lanceolate; spikes slender, the 
flowers and leaves not crowded. 
Seed 1 mm. broad or less. 
Seed 1.5-2 mm. broad. 
Cdlyx-lobes not appendaged nor winged, often cucullate or carinate. 
Annuals, or two of the species perhaps sometimes perennial but not 
& pe paar at = ae 
eed about 2 mm. broad. ite: 
Seed 1-1.5 mm. broad. Patdea eee: 
Calyx-lobes rounded on the back. 
. occidentalis. 
. Fernaldii. 
tad 
Sy 
Stems procumbent, stout. 6. D. Richii, 
Stems erect, slender. 10. D. nigra. 
Calyx-lobes, at least some of them, carinate. 
One or two of the calyx-lobes more strongly cucullate-carinate 
than the others. 7. D. americana. 
All the calyx-lobes equally carinate. 
Seed 1-1.5 mm. broad. 8. D. linearis. 
Seed 0.8 mm. broad or less. 9. D. mexicana. 
Perennials, suffrutescent at the base. 
Stems and leaves glabrous or nearly so. 
Plants green; leaves strongly flattened. 11. D. Torreyana. 
Plants glaucous; leaves subterete. 
Leaves 2-5 mm. long. 12. D. insularis. 
a ey 10-35 mm. long, or those of the inflorescence 
shorter. 
Seed 1.5-2 mm. broad; leaves of the inflorescence crowded. 13. D. californica. 
Seed about 0.8 mm. broad; leaves of the inflorescence not 
crowded. 14. D. fruticosa. 
Stems and leaves densely tomentulose or villous when young, some- 
times glabrate in age. 
Branches of the inflorescence very slender, spreading or divaricate, 
flexuous, elongate; leaves strongly flattened. 15. D. ramosisstma. 
Branches of the inflorescence stout, ascending or erect, not flexuous, 
short; leaves terete. 
Calyx nearly or quite glabrous. 
Leaves glaucous, rounded at the apex, 3-7 mm. long; bract- 
lets rounded; seed 1.5 mm. broad. 16. D. Palmeri. 
Leaves green, acute or acuminate, 7-15 mm. long; bractlets 
acuminate; seed 1 mm. broad. 17. D. tampicensis. 
Calyx densely pubescent. 
Flowers 2.5-3 mm. broad; leaves 12-25 mm. long, acute. 18. D. taxifolia. 
Flowers 1-2 mm. broad; leaves 3-13 mm. long. 
Leaves 3-8 mm. long, obtuse or rounded at the apex, 
crowded, those of the inflorescence little or not at all 
reduced; flowers 1-3 in each axil. . 19. D. brevifolia. 
Leaves 5-13 mm. long, acute, not crowded, those of the 
inflorescence much smaller; flowers more numerous 
in the axils. 20. D. suffrutescens. 
1. Dondia minutiflora (S. Wats.) A. Heller, Cat. N. Am. Pl. 3. 1898. 
Suaeda minutifiora S. Wats. Proc. Am. Acad. 18: 194. 1883. 
Glaucous glabrous erect annual or perennial; stems very stout, 3-6 dm. high, simple below, 
sparsely branched above, the branches erect; leaves linear or lance-linear, 2-5 cm. long, 1-3 
mm. wide, semiterete, broadest at the base, erect, numerous, those of the inflorescence broader 
and shorter; inflorescence little branched, the lateral branches very short and erect, the flowers 
densely crowded; one or more of the calyx-lobes corniculate-appendaged; bractlets mostly 
obtuse; seed horizontal, 1 mm. broad, dark reddish-brown. 
Type LocaLtity: Santa Barbara, California. | : : 
DistRIBUTION: In alkaline plains or salt marshes, southern California. 
2. Dondia depressa (Pursh) Britton; Britt. & Brown, Ill. Fl. 1: 
585. 1896. 
ola depressa Pursh, Fl. Am. Sept. 197. 1814. . 
area she americanum Spreng. Syst. Veg. 1: 922, excluding the first synonym. 1825. 
Chenopodium calceoliforme Hook. Fi. Bor. Am. 2: 126. 1838. 
Suaeda calceoliformis Moq. Chenop. Enum. 128. 1840. 
Chenopodina depressa Mog. in DC. Prodr. 13?: 164. 1849. 
Schoberia americana C. Meyer; Mog. in DC. Prodr. 132: 164, as synonym. 1849. 
Suaeda plattensis Nutt.; Moq. in DC. Prodr. 13?: 164, assynonym. 1849. 
Schoberia calceoliformis Moq. in DC. Prodr. 13?: 166. 1849. 
