232 VACCINIACEAE 



Distribution. — The Farkleberry ranges in dry sandy soils in 

 open woods from Virginia to Florida and westward into Texas. 

 In Illinois, it grows only in the southern third of the state and 

 is limited in its occurrence to the Ozarks. An exceptionally 

 large shrub in Giant City State Park is recorded as being 20 

 feet high and having stems 3 inches in diameter. Glaucous- 

 leaved shrubs with leaflike bracts in the inflorescence, taken 

 near Tunnel Hill, Johnson County, have been referred to 

 the variety glaucescens (Greene) Sargent. 



VACCINIUM ANGUSTIFOLIUM Alton 

 Lowbush Blueberry 



The Lowbush Blueberry, fig. 60, is an ascending or erect 

 shrub 1 to 2 feet high with yellow-green, wrinkled branches 

 and branchlets, and with crowded leaves. The leaves are 

 lanceolate to spatulate, ]/4 to Xyi inches long by about 14 to 

 ^ inch wide, acute or sometimes blunt at the apex, and nar- 

 rowed at the base. The margins are sharply toothed and the 

 teeth end in gland-tipped bristles. The surface is smooth or 

 nearly so above and below at maturity, but the very short 

 petioles are ciliate. 



The white or pinkish flowers, w^hich appear during the early 

 part of May, are borne in short racemes of about 5 flowers. 

 Fruit begins to ripen early in July and matures as a flattened, 

 globular, sweet and edible berry, about Y2 irich in diameter, 

 covered with bluish bloom. 



Distribution. — The Lowbush Blueberry, a shrub of dry 

 sandy soil, ranges from Newfoundland to Saskatchewan and 

 south to Virginia, Illinois and Minnesota. In Illinois, it is 

 limited to the northeastern part of the state, and has been 

 reported frequently in sandy regions adjacent to Lake Michigan 

 and in isolated cases in Kankakee County and at Starved Rock 

 in La Salle County. 



VACCINIUM VACILLANS Kalm 



Dryland Blueberry I 



The Dryland Blueberry, fig. 60, is an erect shrub 1 to 2 or ; 

 even 4 feet high with yellow-green branches and branchlets, j 

 which are pubescent in lines and wrinkled on the surface. The \ 



