100 



meter at the base, the bark grayish and more or leas rugged, 

 the crown rounded or elongate. Leaves subcoriaceous, the 

 i)etioles hairy, 1 cm. long, the blades oblcng, siibacute, ser- 

 rulate on the margin, ^JelluGid-dotted , iUibescent above, hairy- 

 tomentose beneath, 8 to 10 cm. long-, 3 to 3,5 cm. broad; 

 stipules narrow-lanceolate, small, hair^j , caduccua. Inflo- 

 rescence cf 10 to 15-f lowered clusters, axillary, but ajjijear- 

 ing before the leaves. Pedicels 1 to 1.5 cm. long, hairy, 

 provided with small, scarious bracts; se^-als 5, ovate, obtuse, 

 ^7 m-a. long, hairy without, greenish white; corolla none; 

 stamens 32 to 34, the filaments 3.5 mm. long, subglabrcus, 

 the anthers ovate-elliptic, versatile, intermixed with 34 

 to 42 thick, clavate, sparsely iiairy staminodes; pistil den- 

 sely hairy, the ovary ovoid, 1 celled, with nu^aerous ovules 

 insertea on 3 ijarietal placentas; stignaa sessile, ^'ruit 

 berry-like, the 1.5 to 2 cm. long, hairy ^jedicel surmounted 

 by the ijersistent calyx, the terry glojose, t;ub-S-sulcate , 

 apout 3.5 cm. in diameter. Seeds numerous.") 



Zuelania roussoviae Pittier, is the only known continen- 

 tal re^vresentative of the genus, the other members of which 

 are at homo in Cuba and possibly Jamaica. 



The tree was first reported from the Isthmus by A . 

 Fendler, who collected it in the lov/er Chagres district 

 during the first months of 1850. 



Description of the wood 



Sapwood thick, nearly white; heartwood slightly darker. 

 V/ood hard, heavy, very tough and strong, cl. se-grained , 

 taking a good polish and durable in contact with the soil. 

 Annual riiogs of growth net visible under the high power mi- 

 croscope . 



i-ores very numerous, small (.02 mm. in diameter), round, 

 open or clcsed in the heartwood, and arranged singly, in 

 pairs or in short radial rows of from L to 4. Vessel walls 

 with numerous small simple pits where they are in contact 

 with i>ith-ray cells and v/ood-parenchymo fibers; where two 

 vessels are adjacent the pits^are bordered, i-erforetions 

 simple. ,7ood fibers about lH|j§© mm. long, ith thick walls 

 and moderately small lumina ,"-;*xtii numerous, small, slit-like, 

 simple pits on the radial walls, ./ood-parenchyma fibers 

 very sparingly developed, rith rays very nu-nerous aad in- 



