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IOWA ACADEMY OF SCIENCES. 



slightly rounded; base acute or oblique, upper surface smooth, 

 dark green and shining, lighter and smooth below, one and 

 one-half inches to three inches long, one-half inch to one and 

 one-half inches wide; young leaves at first pubescent or 

 slightly tomentose, more so on the lower side; borne on rather 

 slender pedicels one-half inch to one and one-half inches long. 

 Flowers one inch across, borne in umbels of four to eight; 

 calyx lobes tomentose within, smooth without or nearly so; 

 petals inserted remote obovate or rounded, undulate or 

 approaching serrate; pedicels slender or slightly tomentose, 

 three-fourths inch to one and one-half inches long (Suwanee 

 river, Columbia Co., Fla., May 13, 1900); fruit depressed globose 

 or sometimes slightly pyriform, and is from three-quarters of 

 an inch to an inch in diameter, pale yellow green, and very 

 fragrant when fully ripe, with hard acid flesh. (Sargent, 

 North Am. Silva IV: 76.) 



PYRUS CORONARIA L. 



Pyrus coronaria Linn, Sp pi. 480. Am. Bor. 1753. 

 Pyrus suaveolens Winder, in Linnaea. v. Litt. 55. 1830. 



Figure i. P. coronaria L, (Reduced }4.) 



