540 The Ohio Naturalist [Vol. VI, No. 7, 



2. Leaf lobes roundish-obtuse and denticulate on outer margin; per- 



ianth much exceeding the involucral leaves, denticulate. 



siibalpina Dumort. 



Leaf lobes brcadly-ovate, obtuse cr apiculate, entire; perianth 



small, entire. glancoccpliala Aust. 



3. Lower lobes (except those near the summit) about twice the size 



of the upper. 4. 

 Lower lobes (except those near the summit) 3-4 times the size of 

 the upper. 7. 



4. Leaves broader than long; upper lobes rounded or blunt. 5. 

 Leaves longer than broad ; upper lobes more or less acute. 6. 



5. Leaves lax; lobes roundish, equal at the summit of the stem, en- 



tire or ciliate-denticulate; perianth oblong-incurved, nearly 



entire, twice as long as the involucre. undiilata Dumort. 



Leaves somewhat rigid, lobes rounded, submucronate, the lower 



appressed, the upper convex with incurved apex; perianth 



ovate, denticulate. irrigua Dumort. 



G. Lower and upper lobes ciliate-dentate, the upper acute; perianth 



densely ciliate. nemorosa Dumort. 



Lower lobe coarsely dentate and with deep purple spur-like teeth 



on the keel, the upper roundish and less dentate; perianth 



usually dentate. Oakcsii Aust. 



7. Lobes ovate, acute, serrate; perianth incurved, entire. 



mnbrosa Dumort. 



Lobes, the 1 nver ovate, acute or bidentate, concave, the upper 



small and tocth-like; perianth oblong, 5-plicate, the mouth 



5-dentate. exsecta Aust. 



Sphaerocarpus Micheli. 



Thallus orbicular, lobed, in small rosettes; the clustered inflated 

 involucres (3 or 4 times as long as the capsule) mostly dispersed 

 over its whole surface. terrcs'tris Smith. 



•\J'richocolea Dumort. 



Stem pinnately decompound without rootlets; antheridia large, in 

 the axils of leaves on terminal liranches. Dioecious. 



tomcntclla Dumort. 



ADDITIONS TO THE FLORA OF CEDAR POINT, I. 



W. A. Kellerm.^n and H. H. York. 



A general list of the flowering plants and ferns of Cedar Point 

 was published in the Ohio Naturalist 4 : 186-190, 1904. Dur- 

 ing the summer of 1904, the following plants were collected on 

 the point and should be added to the list: 



Acer negundo L. Hypericum perforatum L. 



Allionia nyctaginea Mx. Ledipium campestre (L) R. Br. 



Allium triccccum Ait. Morus rubra tartarica Loud. 



Avena sativa L. Rosa humilis Marsh. 



Carpinus caroliniana Walt. Sassafras sassafras (L.) Karst. 



Ceratophyllum demersum L. Scirpus fluviatilis (Torr.) Gray. 



Chaetochioa viridis (L.) Scrib. Secale cereale L. 



Fraxinus biltmoreana Beadle. Scutellaria lateriflora L. 



Fraxinus nigra Marsh. Spartina cynosuroides (L.) Willd. 



Fraxinus quadrangulata Mx. Specularia pcrfoliata (L.) D(.\ 



Hesperis matronalis L. Typha angustifolia L. 



Hicoria minima (Marsh.) Britt. Ulmus fulva Mx. 



Hordeum jjusillum .Mutt. Vir})urnum cassinoides L. 



Date of Publication of May Number, May 14, 1906. 



