1.   Be careful of cactus spines as well, as they can easily penetrate shoe leather and cause painful wounds.

2.   Cactus spines have spontaneously snapped.

3.   Goldwater, then and now, was as prickly as the cactus spines that afflict this state in uncountable numbers.

4.   He recalls boyhood days using a cactus spine to catch fish, and spends his adult life raising succulents and experimenting with prickly pear as cattle forage.

5.   His background motifs evoke fish scales, cactus spines, lizard skins or the weave of the straw mats Oaxacan peasants sleep on.

6.   Nor was it a gritty territory of cactus spines, rattlesnake bites and saddle sores.

7.   Pitch pines with blackened trunks sprouted long needles that looked like cactus spines.

8.   Sure, prickly pear slime eases the pain of sunburn, and backpackers use cactus spines as toothpicks.

9.   The woodpecker finch wields a cactus spine with its chisel-shaped beak to force insects out of cracks.