The Ohio Naturalist, 



PUBLISHED BY 



The Biological Club of the Ohio Slate Uni'versity, 



Volume X. 



JANUARY, 1910. 



No. '. 



TABLE OF CONTENTS. 



Hambleton— A List of the Lichens of Ohio 41 



Griggs— Moiiochytrium, a New Genus of the Chytridiales, Its Life Histoiy and 



CytoloLiV 44 



Detmers— Medicinal Plants of Ohio 55 



STICKNEV, SCHAFFXER, AND Davies— Additions to the Flora of Cedar Point, III lil 



Dickey— Meetings of the Biological Club Cig 



A LIST OF THE LICHENS OF OHIO. 



J. C. Hambletox. 



The following list of lichens is made up principally from the 

 collection in the State Herbarium at the Ohio State University. 

 It, of course, is not complete. No serious collecting has been 

 done for many years, and undoubtedly a large number will yet 

 be found. This list has been approved by Prof. A. Zahlbruchner, 

 of Vienna, and is in accord with his classification in the Engler- 

 Prantl Pfianzenfamilien. 



Verrucariaceae. 



Verrucaria rupestris Schrad. 

 V. miiralis Ach. 

 V. nigrescens Pers. 



Dermatocarpaceae. 



Dermatocarpon miniattim (L.) 

 Mann. 

 Endocarpoii niiniatnrn (L.) 

 Schaer) . 

 D. aquaticum (Weiss.) A. Zahlbr. 

 {Endocarpon miniaium, 

 aqiiaticiim Schaer.) 

 D. pusillum (Ach.) A. Zahlbr. 

 {Endocarpon pusillinn Hedw.) 



Pyrenulaceae. 



Lepthoraphis epiderniidis (Ach.) 

 Th. Fr. 

 {Sagedia oxyspora {Xyl.) Tuck.) 

 Pyrenula nitida (Weig.) Ach. 

 P. glabrata (Ach.) Mass. 

 P. gemmata (Ach.) Naeg. 



Trypetheliaceae. 



Trypethelium virens Titck. 



Caliciaceae. 



Chaenotheca chrvsocephala (Turn) 

 Th. Fr. 

 {Caliciiim chrysocephalum 

 {Turn.) Ach.) 

 Stenocybe byssaca (Fr.) Nyl. 

 (Caliciiim byssaceiini Fr.) 



Cypheliaceae. 



Cyphelium tigillare (Pers.) Th. Fr. 

 (Acoliiim tigillare (Ach.) DeXoi) 



Arthoniaceae. 



Arthonia dispersa (Schrad.) Nyl. 

 A. radiata (Pers.) Th. Fr. 



(Arthonia astroidca Ach.) 

 A. punctiforinis Ach. 

 A. pyrhuliza Nyl. 

 A. lecideella Nyl. 

 A. polymorpha Tuck. 

 Arthothelium spectabile (Fl.) Mass. 



(Arthonia spectabile Fl.) 



Graphidaceae. 



Opegrapha varia Pers. 



O. vulgata Ach. 



Graphis scripta (L.) Ach. 



