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SPERMATOPHYTA (cont„) 

 GYMOSPERMAE 



CYCADACEAE 



Geratczamin mexicana ^ Mexico (Chicago) (much 0(-carotene and a 



trace taraxanthin) o 



Cycas circinalis . Fern Palm, Tropical Asia (Chicago) (Oahu) 

 "" (some CX.-carotene and trace taraxanthin) » 



Cycas revoluta . Sago Palm, Java (Berkeley, Oahu) (much o(~caro- 

 ~ tene and trace taraxanthin) 



Dioon edula Mexico (Chicago) (much CX-carotene and trace 

 ~" taraxanthin) 



Encephalartos Hildenbrandtii, Best Africa (Chicago) (much O- 

 ^ carotene and trace taraxanthin) 



Strangeria paradoxa. Port Natal (Chicago) (much 0(-carotene and 



trace taraxanthin) 



Zamia floridana , Florida (Chicago) (much 0<-carotene and trace 

 ~ taraxanthin) 



Zamia media. Central America (Chicago) (much 0/-carotene and 

 trace taraxanthin) 



Zamia mexicana, Mexico (Chicago) (much o'-carotene and trace 

 ' '' taraxanthin) 



Zamia portoricensis , Puerto Rico (Chicago) (much Ol-carotene and 

 ' trace taraxanthin) 



Zamia pxunila. Central America (Chicago) (much 0<-carotene and 

 ~ trace taraxanthin) 



GINKGOACEAE 



Ginkgo biloba, China (Palto Alto) (male, staminate tree) (much 

 Ot-carotene) 



GNETACEAE (EPHEDRACEAE) 



Ephedra distaohya. South Eastern Europe and Western Asia 

 " (Mather, Sierra Nevada) (no ot-carotene) 



