408 



POLYGONACEAE 



Refs. ERIOGONUM TRICHOPODUM ("trichopes") Ton. Emory's Eeconn. 151 (1848), type 

 loc. mts. on the west side of the Colorado Desert. E. trichopodum Torr. ; Benth. in DC. Prodr. 

 14:20 (1856). 



11. E. inflatum Torr. & Frem. DESERT TRUMPET. (Fig. 73.) Annual 

 or perennial; stems several from the base, repeatedly tri- and di-chotomous r 





Fig. 73. ERIOGONUM INFLATUM Torr. & Frem. a, habit, x 14 ; b, calyx, showing the broad scar- 

 ious margins of the inner segments, and the very narrow margins of the outer segments, 

 x 12. 



forming a diffuse panicle, % to 3 feet high, glabrous, glaucous; lower inter- 

 nodes, especially the lowest peduncle-like one, strongly or slightly inflated 

 upwards or rarely not at all; leaves roundish or round-ovate, cordate at base, 

 4 to 12 lines long, sometimes to iy 2 inches long, short hirsute but green, on 



