PERKINS THE LEGUMINOSAE OF PORTO RICO. 151 



Near Fajardo, on the river al the base of Mount Mula; between Manati and 

 Baja, in sandy districts. South America, and in related forma in Guadeloupe Marti- 

 nique, and Si . Vincent . 



I.i ical name, tamarindillo. 



14. CYNOMETRA I.. 



Cynometra L. Sp. PI. 1: 382. L753. 

 Iripa A.DAN8. I'ain. 2: 508. L763. 

 Cynomora K. Bedwiq, Gen. 304. L806. 

 Metrocynia Thoi . Gen. Nov. Madag. 22. I s '"'.. 



Calyx with a rather short or very shorl receptacle; segments A or 5, thin, imbricate 

 in estivation, usually reflexed al flowering; petals 5, Bubequal, sometimes one or 

 two anterior minute, qo1 verrucose; stamens L0, mrrly indefinite, free; filaments gla- 

 brous; ovary sessile or shortly stipitate, cohering with or tree in the receptacle; style 

 filiform; Btigma small, truncate or rounded; legume obliquely ovoid, obovoid, or reni- 

 form, rarely straight, coriaceous, turgid <»r slightly compressed, rugose, verrucose, 

 rarely levigate, 2-valved; Beeds exalbuminous. Unarmed trees or Bhrubs; leaves 

 paripinnate; leaflets l to 6 jugate, oblique, coriaceous; flowers usually reddish, -mall, 

 in axillary or lateral clusters <>r short racemes: bracts ovoid, membranous, al first 

 imbricate, later deciduous, rarely persistent; bracteoles wanting or. when present, 

 membranous and colored. 



1. Cynometra portoricensis Krug & Orb. 

 (Urban, 270. i 



Tree, 15 meters high; stipules wanting; leaflets 1-jugate, oblique, obovate-oblong, 

 L.5 to 3 cm. long, 0.6 to 1.2 cm. wide, entire, coriaceous, glabrous, shining; inflores- 

 cence axillary, rachis 5 mm. long; legume semiorbicular, 2.5 to 3 cm. long, l.t to L.8 

 cm. wide, crustaceous, sublevigate, brown. 



Near Rincon, on wooded hills at Quebrada del Salto. Indigenous. 



15. STAHLIA Bello. 

 Stahlia Bello, Anal. Soc. Esp. Hist. Nat. 10-: 255. 1881. 



Calyx with obconical receptacle and 5 free, subequal, obtuse segments; petals 5, 

 Bubequal, dorsally multi verrucose; stamens 10, free, filaments lanate; ovary sessile, 

 free at the fundus of the receptacle; style filiform; Btigma small, truncate: legume 

 roundly ovoid, somewhat compressed, coriaceous, indehiscenl (according to Bello 

 very late dehiscent : seeds 2, exalbuminous; bracts membranous, not imbricate, 

 caducous: bracteoles wanting.- Unarmed tree-: leaves paripinnate; leaflets pauci ju- 

 gate, oblique, thin, the lower surface glandular; flowers light yellow, not large, in 

 axillary or terminal racemes. 



This is the only endemic genus of Leguminosae in Porto Rico. 



1. Stahlia monosperma l Tul. I Orb. 

 (Urban, 270. 



Handsome tree 5 to 20 meters high; leave- 24 to 30 cm. long; leaflets A to 6-jugate, 

 ovate-oblong, 6 to 9 cm. long. 2 to 4 cm. wide, with Bubcordate or truncate base; 

 inflorescence 10 to 20-flowered, often 10 cm. long; sepals 6 to 7 mm. long, A to 5 mm. 

 wide; petals pale yellow, lo to 11 mm. long, 5.5 to 6 mm. wide: anthers purple; 

 legume 3.5 to 4.5 cm. long, 2.5 to 3 cm. wide, glabrous, red when mature. 



Flowering from March to May. fruiting in August and September. 



