Four species of plants represented in burrow contents ([Pl. VII, Fig. 2]). Maximum quantity for single burrow in series of 22 from Range Reserve.
Den 2.
March 9, 1918. Surroundings overgrazed and partially restored by complete protection. Red soil, with much coarse rough gravel and stone.
| Species stored. | Grams. | |
| Bouteloua rothrockii (nearly pure) | 1,460 | |
| Bouteloua rothrockii (mixed with Aristida spp.) | 945 | |
| Boerhaavia wrightii | 660 | |
| Bouteloua rothrockii | } | 525 |
| Bouteloua aristidoides | ||
| Aristida divaricata | ||
| Aristida bromoides | ||
| Kallstroemia laetevirens | Tr. | |
| Heterotheca subaxillaris | Tr. | |
| Plantago ignota | 15 | |
| Fleshy fungi | 10 | |
| Total | 3,615 |
Eight species of plants represented by seeds. One species of fleshy fungus in addition.
Den 4.
September 20, 1918. In Calliandra type. Stony or gravelly soil, red, nearly denuded of grass.
| Species stored. | Grams. | ||
| Prosopis velutina | 190 | ||
| Mollugo verticillata (pure) | 90 | ||
| Anisolotus trispermus (mixed, but mostly of this genus) | 50 | ||
| Solanum elaeagnifolium (12 fruits) | 2 | ||
| Per cent. | |||
| Mollugo verticillata (inseparable) | 50 | } | 400 |
| Bouteloua rothrockii | 1 | ||
| Bouteloua aristidoides | 10 | ||
| Lepidium lasiocarpum | Tr. | ||
| Polygala puberula | Tr. | ||
| Ayenia microphylla | 2 | ||
| Portulaca suffrutescens | 1 | ||
| Aplopappus gracilis | Tr. | ||
| Alternanthera repens | 1 | ||
| Tridens pulchella | 1 | ||
| Plantago ignota | 33 | ||
| Panicum hallii | Tr. | ||
| Fleshy fungi (puffballs) | 2 | ||
| Total | 734 |
Fifteen species represented in addition to the fleshy fungi. No perceptible grass growth from the summer rains here, therefore dependent on a wide variety of scattering plants.