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 }
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
---
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.

DEN 6.

October 17, 1918. Mixed type, partially denuded, no growth from summer
rains. Sandy soil.

Species stored. Grams.

Bouteloua rothrockii (crowns) (heads 1 to 2 per cent) 1,435
Bout