EXPLANATION TO PI.AT1C XXV. 



Kic,. 1. Thei-oi-arpns Hnriiiiini Nutting. Part of hydrocladinm (greatly enlarged i. 

 2. Tlii-i'iK-di-pnx iioriiiniii. Basal part of corbula, auil rorbula stem (enlarged). 

 :i. Tliawiirpim liuitdii-ti Xutting. Part of liydrodadinm (greatly enlarged). 

 J. Tlii'cocarpim benedicti. Front vic nf hydrothec:i- (greatly enlaiur.l 

 5. Tliecocarpus benedicti. Part of eorbnla (enlarged). 

 (i. TlifrucurpiiH bixpiiuisnit (Allman). Part of hydroclailiiim (greatly enlarged). (After Allinan.j 



7. Thecocarpits bispinosiis. Corbula (enlarged). (After Allman.) 



8. Tlin-iii'i/riiiix bixpinimus. Base of corbula leaf (enlarged i. (Aftt-r Allman.) 



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