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rERKII^S^TIIE LEGUMIXOSAE OF PORTO RICO. 151 



Near Fajardoj on the rivt^r at tli(^ l>ase of Mount Mula; between Manati and Vega 

 Baja, in sandy di^triets.^Soutli AiiuTiea, and in related forms in Guadeloupe, Marti- 

 nique, and St. Vincent. 



Local name, tamarimlilh\ 



14. CYNOMETRA L. 



Cynoiudra L. Sp. PL 1: 382. 1758. 

 Iripa Ai>A\s. Fam. 2: 508. 1763* 

 Cynowora R. IIkdwio, Gen. 304. 18O0. 

 Mrtrocynia Thot'. Gen. Nov. iladag. 22. ISOG. 



Calyx with a rather short or ^ery short receptacle; segments 4 or 5, thin, imbricate 

 in estivation, usually rcflexed at flowering; petals 5, subequal, sometimes one or 

 ti\'o aiderior minute, not verruco.se; stamens 10, rarely indefniite, free; filaments gla- 

 brous; ovary sessile or shortly stipitate, coherinu: with or free in the receptacle; style 

 filiform; stigma small, truncate or rounded: legume obliquely ovoid, obovoi<l, or reni- 

 form, rarely straiglit, coriaceous, turgid or slightly compressed, rugose, verrucose, 

 rarely levigate, 2-valved; seeds exalbuminons. ^Unarmed trees or shrubs; leaves 

 paripinnate; leaflets 1 to G jugate, oblique, coriaceous; flowers usually reddish, small, 

 in axillary or lateral (lusters or short racemes; bracts ovoid, membranous, at first 

 imbricate, later deciduous, rarely persistent; brat teoles wanting or, when present, 



membranous and colored. 



1, Cynometra portoricensis Krug & IJrb. 



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(Urban, 270.) 



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

 1.5 to 3 cm. long, O.G to 1.2 cm. wide, entire, (n)riaceous, glabrous, shining; inflores- 

 cence axillary, rachis 5 mm. long; legume semiorbicular, 2,5 to 8 cm. long, 1*4 to 1.8 

 cm. Avide, cnistaceous, sublevigate, brown. . 



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



15. STAHLIA Ikdlo. 



Sialdla Pello, Anal. Soc. Esp. iHst. Nat. 10^: 255. 1881. 



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

 subequal, dursally multiverrucose; stamens 10, free, filaments lanate; ovary sessile, 

 free at the fundus of the receptacle; style liJiform; stigma small, truncnte; legume 

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

 very late dehiscent); seeds 2, exalbumijious; bracts membranous, not imbricate, 

 caducous; bracteoles wanting. ^Unarmed- trees; leaves parii)innate; leaflets pauciju- 

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



axillary or terminal racemes. 



This is the oidy endemic gonns of Leguminosat^ in P<^rto Rico. 



1. Stahlia xnonosperma (Tub) Ilrb. 



(Urban, 270.) 



Handsome iree 5 to 20 meters high: leaves 21 to 30 cm. long; leaflets 4 to G-jugate, 

 ovate-oblong, G to 9 cm. long, 2 to 4 cm. wide, with subcordate or truiu'ate base; 

 inflorescence 10 to 20-flowered, often 10 cm. long; sepals G to 7 mm. long, 4 to 5 mm. 

 wide; petals pale yellow, 10 to 11 mm. long, 5.5 to G mm. wide; anthers purple; 

 legunte 3.5 to 4.5 cm. long, 2.5 t(^ 3 cm. wide, glabrous, red when mature. 



Floweriui^: from March to May, fruiting in August and September. 



