104 



TREES OF NORTH AMERICA 



an obscurely-lobed perianth, much exserted stamens barely united at the base, and 

 an oblique stigma. Fruit |' in diameter, somewhat depressed at the ends; seeds 



f^.9i 



from 1' to nearly ^ "^ diameter, dark chestnut-brown, penetrated almost to the 

 apex by the broad basal cavity. 



A tree, with a slightly tapering stem 20-30 high and 4'-6' in diameter, clothed 

 to the middle and occasionally almost to the ground with the sheaths of dead leaf- 

 stalks. 



Distribution. Florida, dry coral ridges and sandy shores of keys from Long Key 

 to Torch Key, and on the mainland from Cape Romano to Cape Sable. 



2. Thrinax Keyensis, Sarg. Thatch. 



Leaves rather longer than broad, 3-4 long, the lowest segments parallel with the 

 petiole or spreading from it nearly at right angles, light yellow-green and lustrous 

 on the upper surface, with bright orange-colored margins, below coated while young 



with deciduous hoary tomentum and pale blue-green and more or less covered 

 with silvery white pubescence at maturity, with thick pointed ligules 1' long and 

 wide, lined at first with hoary tomentum; their petioles flattened above, obscurely 



