MOSELEV. 57 



C. TRIBULOLDES. Walll. 



Frequent, especially the variety turbata. North 



Bass. 

 C- TRiBULOiDEs CRiSTATA. Bailey. 



Common. North Bass the only island, 

 C. TRIBULOIDES REDUCTA. Bailey.* 



Florence and Huron ; rare. 

 C. TRICEPS HiRSUTA. Bailey. v 



Frequent. 



C. TRICHOCARPA, Mulll. 



Huron River. Milan. The variety imberbis 



grows in Florence. Both scarce. 

 C. TRICHOCARPA ARISTATA. Bailey.* 



Huron. Castalia ; infrequent. 

 C. TYPHixoiDES, Schwein. 



East Berlin ; local. 



C. TUCKERMANNI. Boott. 



Infrequent. 



C. UTRICULATA, Boott. 



Blair Creek. Florence ; rare. The so-called 

 variety minor at Tisdell's. Vermillion ; rare. 

 C. VARiA. Muhl. 

 Frequent. 



C. YIRESCEXS. Muhl. 



Oxford, Huron and east; common. 



C. YIRESCEXS COSTATA, DCWCV. 



Berlin Heights and east ; infrequent. 



C. YIRIDULA, Michx.* ( C. FLAYA YIRIDULA, Bailcv.) 



Castalia prairie ; local. 

 C. vuLPixoiDEA, Michx. 



Common. 

 C. wiLDEXOWii, Schkuhr. 



Florence; rare. 



CLADIUM, P. Br. Twig-Rush. 

 C. TRIGLOMERATUM, XeCS. (C. MARISCOIDES, Torr.) 



Perkins, "Castalia," E. Claassen. 



