The Flora of the Cayuga Lake Basin 299 



1. M. ROTUNDIFOLIA L. ROUND-LEAVED MALLOW. CHEESES. 



A weed in various soils, chiefly in rich cultivated ground and waste places; common. 

 June-Oct. 



Native of Eurasia, and widely naturalized throughout all but the colder parts of 



N. A. 



[M. CRISPA L. 



Occasionally appearing as a weed in flower beds on C. U. campus and in waste 

 places in Ithaca, but evidently not established. 

 Adventive from Eii.] 



2. M. sylvestris L., var. mauretiana (L.) Boiss. (See Rhodora 12:140. 1910. 



M. sylvestris of Cayuga Fl.) High Mallow. 



An occasional wayside escape from cultivation. 



Near White Church (D.) ; near Ithaca (herb. C. Humphrey, D.) ; e. of Lake Como 

 (Locke Pond, £>.). 



Native of Eurasia ; widely but sparingly escaped in e. N. A. 



Dudley's specimen from White Church in the C. U. Herb, is var. mauretiana. 

 This is the form usually found as an escape in the eastern U. S., and probably 

 Dudley's other specimens were of the same variety. 



3. M. moschata L. Musk Mallow. 



A weed in dry fields, on roadsides, and in waste places, in gravelly calcareous 

 soils; frequent. June 15-July 15. 



Infrequent or rare about Ithaca, as near the athletic field, C. U. campus ; fre- 

 quent or common in Enfield, Newheld, Dryden, and Groton, in localities where 

 the soil is suitable. 



Newf. to B'. C, southw. to n. N. J., Va., Wis., and Oreg. ; most abundant north- 

 eastw. Naturalized from Europe. 



Two color forms occur: pink and white. 



3. Althaea L. 

 1. A. rosea Cav. Hollyhock. 



Mostly in heavy soils ; occasional. July-Sept. 



Escaped from cultivation : E. State St. and Bryant Tract, Ithaca ; C. U. campus ; 

 near LJnion Springs ; and elsewhere. 

 Native of China. 



4. Hibiscus L. 



a. Petals 6-12 cm. long, rose color ; leaves large, white-downy beneath, shallowly 

 lobed or subentire; plant tall (1-2.5 m. high), perennial. 1. H. Moscheutos 



a. Petals 2 cm. long, pale yellow with a dark eye ; leaves small, not white-downy, 

 at least the upper ones 3-parted and the divisions lobed ; plant low, annual. 



2. H. Trionum 



1. H. Moscheutos L. (H. palustris L.) Rose Mallow. Swamp Hibiscus. 



Silty alluvial marshland in the region of salt springs ; frequent. Aug. 



Marshes near foot of Cayuga Lake and on the Ontario plain : Union Springs, 

 near Farley Point (jD.) and on Hibiscus Point {D. !) ; large area on a marshy 

 island in Black Lake (D.) ; also elsewhere in the regions indicated; introduced near 

 the former biological field station, s. of Stewart Park. 



E. Mass., along the coast to Fla. and La. ; also in N. Y., Ont., Ind., and Mo. 



A very noble flower, strikingly large and beautiful. 



