13 



Bouteloua racemosa, Elymus Sitanion, and Bouteloua oligostacltya (grama) 

 were seen occasionally. Cows were noticed feeding on the 

 leaves of Yucca baccata, the leaves being dropped alter mas- 

 tication ) perhaps eaten more for their watery juice than for 

 nourishment. 



Grand Canon, Arizona, June 29. 



This place is 23 miles north of Peach Springs. The trail from the 

 springs here is down a canon, which has one or two springs near 

 its head, but is dry the rest of the way, except the last mile. The callon 

 is very narrow and barren, and the sides very precipitous and rocky. 

 The tops of the hills are commonly bare, except of cactus and sage- 

 brush. 



Collections were made as follows, all at or very near Grand Canon : 

 Panicum capillare. 



Common along the creek. 

 Sporoboliis avperifolius. 



Very common along the stream. 

 Pohjpogonmonspelicnsis, 



Yery common along the stream. 



In a u visitors' register" kept at the camp here I find a note by Dr. 

 Asa Gray, as follows : 



CONSPICUOUS PLANTS OF THE GRAND CANON. 



Fouquicra splenclens. Ocatiosa. 

 Acacia Lemmoni (Cat's claw). 

 Allionia. 



On ground ; flowers all day and all the year ; shuts at night. 

 Fallugia paradoxa. 



Bush, with white rose-like flowers on slender stalks. 

 Cowania Mexicana. 



Like the last. Many greenish-white blossoms. 

 Larrca Mexicana (creosote). 

 Poropliyllum. 



With yellow, sweet-scented flowers in balls on slender twigs. 

 Mriogonum inflatum (Indian pipe-stem). 

 Abronia. 



In sand by the. river; small white flowers in a cluster. 

 (Enolhcra albicaulis. 



Large flowers, separate. 

 Erythrca calycosa. 



Herb with red star-shaped flowers. 



The Keedles, California, July 1. 



The lands here along the Colorado Eiver are sandy barrens, with very 

 little vegetation, except creosote-bush (LarreaMexicana) and grease- wood 



