180 SILVA OF NORTH AMERICA. SAPOTACES. 
susceptible of receiving a beautiful polish ; it contains numerous large open ducts and obscure medul- 
lary rays, and is dark brown or red, with thin sapwood composed of four or five layers of annual 
growth. The specific gravity of the absolutely dry wood is 0.9316, a cubic foot weighing 58.06 
pounds. 
Dipholis salicifolia appears to have been discovered in Jamaica by Sir Hans Sloane, and the 
earliest description of it is found in his Catalogue of Jamaica Plants, published in 1696." In Florida 
it was detected by Dr. J. L. Blodgett. 
1 Salicis folio lato splendente, arbor floribus parvis pallide luteis pen- Achras? Foliis oblongis nitidis utrinque productis, floribus confertis, 
tapetalis & ramulorum lateribus confertim exeuntibus, 170; Nat. Hist. — fasciculis infra frondes sparsis, Browne, Nat. Hist. Jam. 201, t. 17, 
Jam. ii. 98, t. 206, f. 2. f. 4. 
EXPLANATION OF THE PLATE. 
Puate CCL. DrrHouis saLiciFoia. 
. A flowering branch, natural size. 
Diagram of a flower. 
A flower, enlarged. 
A flower, with the corolla displayed, enlarged. 
. Vertical section of an ovary, enlarged. 
. An ovule, much magnified. 
. A fruiting branch, natural size. 
- Vertical section of a fruit, enlarged. 
. A seed, enlarged. 
. An embryo, much magnified. 
CHAAAE WHE 
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