44 ROSACEA. Cratcegus. 



133. Crataegus berberifolia, Torr. & Gray. 



Western Louisiana. 



A small tree, 6 to 8 metres in height, with a trunk 0.20 to 0.25 metre 

 in diameter ; borders of prairies, in low ground ; rare, local, and still very 

 imperfectly known ; the fruit and wood not yet collected. 



134. Crataegus aestivalis, Torr. & Gray. 

 May Haw. Apple Haw. 



South Carolina to northern Florida, and west through the Gulf States 

 to southern Arkansas and the valley of the Sabine River, Texas. 



A small tree, 6 to 9 metres in height, with a trunk 0.15 to 0.20 metre 

 in diameter ; generally in sandy soil along the margins of streams and 

 ponds ; common and reaching its greatest development on the bottom- 

 lands of western Louisiana and eastern Texas. 



Wood heavy, hard, not strong, close-grained, compact ; medullary rays 

 numerous, obscure ; color light brown or red, the sap-wood lighter. 



The large, globular, fragrant red fruit possesses an agreeable subacid 

 flavor, and ripens in May. 



135. Crataegus fiava, Ait. 



Summer Haw. Yellow Haw. Red Haw. 



Virginia southward, generally near the coast, to Tampa Bay, Florida, 

 extending west through the Gulf States to eastern Texas and southern 

 Arkansas. 



A small tree, rarely 7 metres in height, with a trunk 0.30 metre in 

 diameter, or reduced to a much-branched shrub 2 to 3 metres in height; 

 borders of streams, in low, sandy soil subject to overflow. A variety 

 distinguished by the pubescence upon the calyx and young branches, 

 smaller flowers, and larger globular or pear-shaped edible fruit, is var. 

 pubescens, Gray. 



Wood heavy, hard, close-grained, clicking badly in drying, satiny, 

 susceptible of a good polish; medullary rays very numerous, obscure; 

 color light brown tinged with red or rose, the sap-wood lighter. 



Fruit small, red or yellow, acid, or in the variety large and edible. 



136. Heteromeles arbutifolia, Roem. 

 Toyon. Tollon. California Holly. 



California, — Coast Ranges, Mendocino to San Diego County, extending 

 east to the foot-hills of the Sierra Nevada and San Bernardino Mountains. 



A small, low-branched evergreen tree, rarely exceeding ;) metres in 

 height, the short trunk sometimes 0.30 to 0.45 metre in diameter; or more 

 often a low, much-branched shrub. 



Wood very heavy, hard, close-grained, inclined to check in drying, 

 satiny, susceptible of a beautiful polish ; medullary rays numerous, very 

 obscure; color dark reddish-brown, the sap-wood lighter. 



