"Well, it's no matter, it cannot be helped," she laughed. "Let's race!" she cried and was off like a shot.
He humored her until he saw that her mount was getting unmanageable, when he quietly overtook her and closed her pony's nostrils with his hand, the operation having a most gratifying effect.
"Joe hadn't oughter let yu had this cayuse," he said.
"Why, how do you know of whom I procured it?" she asked.
"By th' brand: it's a O-Bar-O, canceled, with J. H. over it. He buys all of his cayuses from th' O-Bar-O."
She found out his name, and, after an interval of silence, she turned to him with eyes full of inquiry: "What is that thorny shrub just ahead?" she asked.
"That's mesquite," he replied eagerly.
"Tell me all about it," she commanded.
"Why, there ain't much to tell," he replied, "only it's a valuable tree out here. Th' Apaches use it a whole lot of ways. They get honey from th' blossoms an' glue an' gum, an' they use th' bark for tannin' hide. Th' dried pods an' leaves are used to feed their cattle, an' th' wood makes corrals to keep 'em in. They use th' wood for making other things, too, an' it is of two colors. Th' sap makes a dye what won't wash out, an' th' beans make a bread what won't sour or get hard. Then it makes a barrier that shore is a dandy—coyotes an' men can't get through it, an' it protects a whole lot of birds an' things. Th' snakes hate it like poison, for th' thorns get under their scales an' whoops things up for 'em. It keeps th' sand from shiftin', too. Down South where there is plenty of water, it often grows forty feet high, but up here it squats close to th' ground so it can save th' moisture. In th' night th' temperature sometimes falls thirty degrees, an' that helps it, too."
"How can it live without water?" she asked.
"It gets all th' water it wants," he replied, smiling. "Th' tap
