GOOSEFOOT FAMILY 77 



Leaves broadly oval or obovate; bracts obovate or suborbicular. 

 Bracts entire. 21. A. confertifolia. 



Bracts dentate or denticulate, at least near the base. 



22. A. collina. 

 Leaves oblanceolate; bracts lance-oblong. 23. A. subconferta. 

 Bracts with a distinctly toothed margin or appendaged on the back. 

 Bracts broadest above the middle. 



Bracts more or less toothed on the margin, only rarely tuberculate on 

 the back. 

 Bracts 3-toothed at the apex, the middle tooth the longest. 

 Bracts oblong-cuneate ; leaves oblanceolate-cuneate. 



24. A. Gardneri. 

 Bracts broadly obovate-ciuieate ; leaves linear. 



25. A. tridentata. 

 Bracts several-toothed at the apex. 26. A. pabularis. 



Bracts entire, spongy, strongly tuberculed or appendaged on the back. 



27. A. corrugala. 

 Bracts broadest below the middle, strongly tuberculate or appendaged. 

 Leaves oblanceolate to spatulate. 



Leaves oblanceolate, oblong, or narrowly spatulate, subsessile, or 

 short-petioled. 

 Plant low; staminate flowers brown, in panicles; leaves short- 

 petioled. 28. A. oblanceolata. 

 Plant usually tall; staminate flowers yellow, in interrupted 

 spikes; leaves sessile. 

 Bracts ovate, sessile or nearly so ; leaf-blades oblanceolate to 



oblong. 29. A. Nuttallii. 



Bracts fusiform, stalked; leaf-blades oblong-linear to linear. 



30. A. falcata. 

 Leaves broadly spatulate, conspicuously petioled; staminate flowers 

 brown, in interrupted spikes. 31. A. cuneata. 



Leaves oval, sessile. 32. A. buxifolia. 



Bracts broadly 4-winged. 



Leaves oval, abruptly acuminate. 33. A. Garretth. 



Leaves from oblong or spatulate to linear, not acuminate. 



Wings thick, laciniate-toothed. 34. A. aptera. 



Wings thin, sinuately dentate or subentire. 



Wings when fully developed 4-6 mm. wide, distinctly dentate. 



Leaves comparatively broad, linear-oblong to spatulate, 4-10 mm. 

 wide ; sinus at the apex of the fruit narrow ; free portion of the bract 

 one-half to three-fourths as long as the width of the wing. 



35. A. canescens. 

 Leaves very narrow, linear, 2-5 mm. wide ; sinus of the strongly reticu- 

 late bract broad; free portion of the bract less than half as long as 

 the width of the wing. 36. A. tetraptera. 



Wing very broad and thin, fully 8 mm. wide, merely sinuate; leaves hnear. 



37. A. occidentalis. 



8. ENDOLEPIS Torr. 



Leaves tliin, lanceolate, 1-nerved. - 1- E. Sucklcyi. 



Leaves tliick, ovate, or ovate-lanceolate; the lower 3-nerved. 2. E. dioica. 



9. SUCKLEYA A. Gray. l. S. Suckleyana. 



10. GRAYIA H. & A. Hop S.\ge. 



Plant spiny; leaves 1-3 cm. long, spatulate; bracts 8-12 mm. wide. 1. G. spinosa. 



Plant not spinv; leaves 2.5-5 cm. long, linear-oblanceolate ; bracts 4-6 mm. wide. 



2. G. Brandegei. 



11. EUROTIA Adans. White Sage, Winter Sage, Winter Fat. 

 Branches erect, not spinescent; monoecious or some plants only pistillate; pubescence 



of mixed stellate and simple hairs. 1. E. lanata. 



Branches ascending or spreading, becoming more or less spinescent; dioecious; pubescence 

 of stellate hairs only. 2. E. subspinosa. 



12. SALICORNIA (Tourn.) L. Glasswort, Samphire. 



Annual with a taproot. 1- -SI. rubra. 



Perennial with a creeping rootstock. 2. S. utahensis. 



13. ALLENROLFIA Kuntze. Burro Weed. l. .4. occidentalis. 



14. SARCOBATUS Nees. Greasewood, Chico. l. S. vermiculatus. 



15. SALSOLA L. Saltwort, Russian Thistle. i. s. Pestifer. 



16. DONDIA Adans. Sea Elite. 



Sepals more or less fleshy, but none of them carinate; leaves narrowed at the base. 

 Plant perennial, stout. 



