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 }
Bouteloua rothrockii 1 }
Bouteloua aristidoides 10 }
Lepidium lasiocarpum Tr. }
Polygala puberula Tr. }
Ayenia microphylla 2 }
Portulaca suffrutescens 1 } 400
Aplopappus gracilis Tr. }
Alternanthera repens 1 }
Tridens pulchella 1 }
Plantago ignota 33 }
Panicum hallii Tr. }
Fleshy fungi (puffballs) 2
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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.