Cassena 



627 



9. KRUG'S HOLLY Ilex Krugiana Lcesener 



This West Indian evergreen tree has recently been discovered in southern 

 peninsular Florida by Dr. J. K. Small and Mr. Percy Wilson, growing in rich 

 hammocks south of Miami, attaining a height 

 of about 15 meters, with a trunk diameter of 

 3 dm. In the Bahamas it is called Whitewood 

 and it grows also in Haiti. 



The twigs are round, gray, becoming white. 

 The bark is thin, close, quite smooth and nearly 

 white. The leaves are elliptic, elliptic-ovate or 

 ovate-lanceolate, 5 to 10 cm. long, taper-pointed, 

 rounded or narrowed at the base, entire and 

 revolute on the margin, yellowish green, smooth 

 and shining with impressed midrib above, dull 

 and smooth with prominent midrib beneath; 

 the leaf-stalk is 1.5 to 2 cm. long, slender and 

 grooved. The flowers are in axillar}^ clusters; 

 peduncles about i cm. long, the pedicels very 

 short. The calvx is about 2 mm. broad, with 

 triangular, sharp-pointed lobes; corolla whitish, spreading, 2.5 mm. across, its lobes 

 ovate and spreading; ovary ellipsoid; stigma discoid, slightly 4-lobed. The fruit 

 is a globose, brownish purple drupe, its stalk 5 to 10 mm. long; nutlets usually 4, 

 dark brown, rough, scarcely ridged. 



Fig. 578. Krug's Holly. 



apex. 



10. CASSENA Ilex vomitoria Aiton 

 Ilex Cassine Walter, not Linnaeus 



Usually an evergreen shrub, this sometimes 

 becomes a tree up to 8 meters tall, with a 

 trunk diameter of 2 dm., often forming dense 

 thickets along margins of swamps and streams 

 from Virginia and Arkansas to Florida and 

 Texas, mostlv near the coast. It has become 

 naturalized in Bermuda. 



The ascending branches are slender. The 

 bark is 1.5 to 3 mm. thick, broken into small 

 scales of a light reddish brown color. The 

 stiff, widely spreading twigs are finely hairy, but 

 become smooth, and pale gray. The leaves 

 persist for 2 or 3 years, are leather}', oblong, 

 o\al or elliptic, i to 2.5 cm. long, blunt at the 

 abruptly tapering to a short, grooved stalk; the margin is toothed; they are 



Fig. 579. Cassena. 



