^^H EXPLANATION To PLATE II. 



Kic. 1. I'iiimiilariii allitlieca Nutting (enlarged). 



2. I'liimutin-ia lilicnlii Allniiin i rnlargrd ). (After Allnian.) 



H. PluiHiilni-in heUi-ri Hiiii-ks (cnlargrili. (After Marktanuer-Turneretsoljer.) 



4. I'liimularia floridana Niitting (enlarged). 



5. I'liiiiiiiliiiiatloriilniiii. Portion of liyilrocludiriin (greatly enlargeil ). 



ii. I'liiiiuiliiriujilii-HHlii Km-heupaner. Portion of hydrocladiiiin (uiilargeil). (After Hair.) 

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