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202 CONTRIBUTIONS FROM THE NATIONAL TIEKBARTUM. 



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blue; calyx 5-parted, lobes equal; standard obovate, O.fi mm. long, wings narrowly 

 oblong; k(H>l shorter tbnn the lobes of the calyx; pod 3.5 to 5 cm. long, 3.5 mm. wide, 

 slightly falcate, ru^ty-hirsute, terminated by a recurved beak; seeds yellow, oblonj;^. 



Near I^>i\yamon in grassy tracts; near Aibnnito at Algarrobo; on precipices betwe(Mi 

 AibonitoaudCoamo; near Barranquitas; in thickets on the isabou iliver; nearTTtuado 

 in thickets at Los Angeles; near Pepino, on shady declivities at Eneas; near Maricao 

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

 Cabo Rojo in thickets. — Cuba, Jamaica, Haiti. Tropical America. 



In the Antilles the leaves of T. uncinatas aro used as a purgative and the flour of 

 the seeds for poultices to reduce inflammation. 



Local name, crcsta de gallo bianco. 



55. ERYTHRINA L. 



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Enjthnna L. Sp. Tl. 2: 70G. 1753. 

 3/r>?/n>oH Adans. Fam. 2: 326. I7()3. 



Calyx bilabiate or spathaceous, slit down to the 1)ase on the lower side, the teeth 

 short or elongated; standard ample and elongaled, erect or patent, subsessile or fur- 

 nished with a claw, not appendiculate at the base, wi]igs short or none; keel nnu-h 

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

 stanuni free or connate with the others below; anthers uniform; ovary stalked, nndti- 

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

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

 subterete, nuich 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 leafli^t; flowers largo, usually scarlet, axillary or terminal, in 

 racemes or in small clusters in the axils; bracts and lu'acteoles small or wanting. 



KY.Y TO TUK PPECIES, 



Calyx broadly campanulatc^; keel gamopetalous; standard long- 



stipitate. 

 Calyx subtubulosC, truncate; standard sessih^ or subsessile, 



L E. gJavca. 



oblong. 



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

 leaves chartaceous; seeds scarlet with a black spot. 2. E. coraUodcndron 



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

 ard; leaves mend)ranous or subpapyracetms; seeds dark 



brown. 



3. E, wicroplcrijx. 



1. Erythrina glauca Willd. 



* 



(Urban, 302.) 



Tree 13 meters high; leaves 20 to 30 cm. long; h^aflets broadly ovate, obtuse at the 

 apex, rotundate at the base, 9 to 12 cm. long, 8 to 8.5 cm. wide, coriact^ous or charta- 

 ceous; ra(!emes 15 to 20 cm. long; calyx I to 2 em. deep; flowers deep saffron yellow; 

 standard 5 to G.5 cm. long; wings 2.5 cm. long; keel 3 to 3.5 cm. long; pod sublignose, 

 17 to 25 cm. long, 1.5 cm. wide; sueds dark brown. 



Near Bayamon, on the bank of the ri\er around Guinabo.— Cuba (Grisebach), 

 Guadeloupe, i[artinique, St. Vincent, Venezuela. Tropical America. 



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



glauca are very striking. It has by far the deepest calyx of all the Porto llican species. 

 Local name, bucago. 



