PBBKINS — THE LEGUMINOSAE OF POBTO RICO, L63 



20. KRAMERIA Loefl. 



Km, m rin I. <M.i i . Iter Step. L95. 



Calyx with 1 or 5 Bubequal, Lmbricate, more or less corolla< tents, the outer 



one Bomewhat Larger than the others; petals I or 5, narrow* r than the calyx segments, 

 the upper ones Bubecftfal, long-clawed, Bometimee free, sometimes connate, the middle 

 one often folded, the 2 lower onee reduced to thick, shorl . fleshy scales; stamens 3 or !. 

 hypogynous, the anthers basinxed, opening by an oblique introrse pore; ovary sessile 

 with 2 collateral, hanging, anatropous seeds; Btyle cylindrical, pointed; Legume globose 

 or somewhal compressed, aculeate or weakly spinous, indehiscent; seeds exalbumi- 

 nous. Shrubs or herbs, often decumbenl and Bilky-tomentose; leaves simple or rarely 

 digitate (leaflets 3 ; flowers purple, axillary, sometimes in leafy racemes; bracts 2, 

 at or above the middle of the peduncle; filaments free, or connate half their Length. 



I . Krameria ixina L. 



( Urban, 277. 



Plant ().•"> to 1 meter high; Btem erect, branched, woody below, villous-pubescent; 

 Leaves elliptical-lanceolate, mucronate; flowers racemose, purple or dark purple; 

 pedicels short, bibJfccteolate about the middle; sepals 1. pubescent externally; posterior 

 petals connected at the base; stamens 1 : spines of pericarp glochidiate, 



Between Ponce and < ruayanilla, on calcareous rocks of the coast ; near Ponce, on the 

 harbor and at IN -non: near Guanica, in 1 in oral thickets a1 Salinas and on the declivities 

 at Punta de los Pescadores; near Cabo Rojo, in forests near the seashore. Haiti. St. 

 Thomas, Antigua (Grisebach), Curacao (Vahl . Colombia. 



21. PARKINSONIA L. 



Parhinsonia L. Sp. PI. 1:375. 1753. 



Calyx with a short receptacle and 5 subequal, membranous, >liL r htly imbricati 

 ments; petals 5. m arly equal, the posterior one the widesl ; Btamens 10, their filaments 

 villous at the base; ovary free, in the fundus of the r< ceptacle, substipitate, multiovu- 

 late; stylo filiform; stigma -mall, terminal: legume narrowly linear, narrowed to each 

 end. usually constricted between the subdistanl seeds, scarcely or not at all dehiscent ; 

 valves thinly coriaceous, longitudinally reticulate-striate; seeds oblong, longitudinally 

 disposed, albuminous. Trees or Bhrubs with thorny stipules; leaves bipinnate; com- 

 mon petiole very short. Bpine-pointed; pinnae 2 to 1. with the rachis much elongated, 

 flattened, bearing numerous, opposite or scattered, very small lea Hot.-, which arc occa- 

 sionally abortive; flowers yellow, in lax axillary racemes: bracts small, caducous: 

 bracteoles wanting. 



1. Parkinsonia aculeata L. 



I Urban, 277. 



Small trees or Bhrubs; common petiole only l to 2 mm. long; pinnae 1 or 2-jugate; 

 secondary petioles winged, linear, acuminate, 16 to 36 cm. long; Leaflets minute. 

 oblong or obovate, I to 5 mm. long, I to 2 mm. wide, blunt, the uppermost (ormany) 

 abortive; flowers yellow, in lax axillary racemes, 9 to it; cm. Long; calyx 7 mm. high; 

 corolla Buborbicular, 1 cm. in diameter. Legume 8 to 9 cm. Long, 1 cm. wide, constricted 



between the -e.<U. 



Near l'ajardo on the seashore between Guayama and Guamani along roads; near 

 Mayaguez; near Quebradillas. Florida Keys, Cuba, Jamaica, Haiti. St. Thorna 

 Cn.ix. St. John (Eggers), St. Martin. St. Bartholomew (Stockholm Herbarium), 



