7 
Scirpus validus) indicate a higher amount of precipi- 
tation than at present for the time represented by 
stratum V and possibly for stratum IV. 
The presence of cultivated plants (maize, squash and 
beans) and Juglans major also indicate a higher an- 
nual precipitation during the time of the Bat Cave 
occupation. 
The abundance of acorns in stratum III may indicate 
a higher precipitation at that time. 
The Bat Cave people probably practiced a subsistence 
agriculture supplemented by gathering wild plant 
materials. 
PLANTS OF BAT CAVE 
— 
— 
_ 
—_ 
—_— 
_— 
—_ 
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_— 
Zea Mays xX X 
Cucurbita Pepo D4 xX 
Phaseolus vulgaris 
Helianthus annuus xX X 
Pinus edulis xX xX 
Pinus ponderosa 
Pinus sp. (wood) 
Juniperus pachyphloea 
Juniperus sp. (wood) 
Typha latifolia 
Festuca Kingii 
Poa Fendleriana 
Poa secunda 5.4 
Elymus salina 
Sitanion Hystrix 
Trisetum Wolfii xX X 
Calamagrostis inexpansa xX 
Muhlenbergia rigens 
Sporobolus airoides xX 
Sporobolus Wrightii 
Bouteloua gracilis X 
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