202 CONTRIBUTIONS PBOBfl THE NATIONAL HERBARIUM, 



blue; calyx 5-parted, Lobes equal; Btandard obovate, 6.6 mm. long, winge narrowly 

 oblong; k < ■< 1 Bhorter than the lobes of the calyx; pod 3.5 to 5 cm. long, 3.5 mm. wide, 

 Blightly falcate, rusty-hireute, terminated by a recurved beak : seeds yellow, oblong. 



Bayamon in grass) tracts^ near Aibonito al Algarrobo; on precipices between 

 Aibonito and Ooamo; near Barranquitas; in thickets on the Lsabon River; nearUtuado 

 In thickets al Los Angeles; near Pepino, on shady declivities al Eneas; near Ma 

 in thickets on the river bank; near Mayaguez among Bhruba in moist meadows; near 

 Cabo Rojo in thickets. Cuba, Jamaica, Hani. Tropical America. 



In the Antilles the Leav< - ol / wncinatut are used as a purgative and the flour of 

 the Beedfl for poultices to reduce inflammation. 



Local name, cresta dt gcdlo bianco. 



55. ERYTHRINA !.. 



Erythrina L. Sp. PI. 2: 706. L753. 

 i/ uricou Adans. Fam. 2: 326. L763. 



Calyx bilabiate or spathaceous, slit down to the base on the lower side, the teeth 

 short or elongated; Btandard ample and elongated, erect or patent, Bubsessile or fur- 

 nished with a daw. not appendiculate at the base, wings Bhort or none; keel much 

 shorter than the standard, shorter or longer than the wings, its petals often free; upper 

 stamen free or connate with the others below; anthers uniform; ovary stalked, multi- 

 ovulate; style subulate, incurved, beardless, with a small, terminal, subcapitate 

 stigma; pod stalked, linear, falcate, narrowed at the base and apex, compressed or 

 Bubterete, much constricted between the seeds, both sutures or only the upper one 

 splitting; seeds distant . ovoid or oblong. Trees, or at times almost herbaceous shrubs, 

 with thick, often aculeate branches; leaves pinnate with 3 leaflets; stipules glandular, 

 at the base of each leaflet; (lowers large, usually Bcarlet, axillary or terminal, in 

 racemes or in small clusters in the axils; bracts and bracteoles small or want in- 



KEY TO THE SPECIES. 



Calyx broadly campanulate; keel gamopetalous; standard long- 



Bt i pit ate. I . E. glauca. 



Calyx BUbtubulose, truncate; standard sessile or Bubsessile, 

 oblong. 



Keel petals free; keel short, a little shorter than the calyx; 



Leaves chartaceous; Beeds scarlet with a black spot. 2. E. corModendron. 



Keel gamopetalous, long, only a little shorter than the stand- 

 ard; leaves membranous or subpapyraceous; seeds .lark 

 brown. 3. E. micropUryx. 



1. Erythrina g-lauca AVilld. 



(Urban, 30ISL) 



Tree L3 meter- high; leaves 20 to 30 cm. Long; leaflets broadly ovate, obtuse at the 

 apex, rotundate at the base, if to 12 cm. long, 8 to 8.5 cm. wide, coriaceous or charta- 

 ceous; racemes L5 to 20 cm. long; calyx I to 2 cm. dec].; flowers deep saffron yellow; 

 Btandard 5 to 6.5 cm. long; wings 2.5 cm. long; keel 3 to 3.5 cm. long; pod sublignose, 

 17 !•> _'•", em. loiiu r , L.5 cm. wide; seeds dark brown. 



Near Bayamon, on the bank of the river around Guinabo. — Cuba (Grisebach), 

 Guadeloupe, Martinique, St. Vincent, Venezuela. Tropical America. 



The saffron-yellow flowers and the very long (sometimes 25 cm.) woody pods of /■.'. 

 glaiLca are very striking. !t has by far thedeepest calyx of all the Porto Etican species. 



Local name, bucago. 



LJ 



