MACLOSKIE I LEGUMINOS/E. 493 



POINCIANA GILLESII Hook. (Wall, sub Casalpinia.} 



Shrub, more than i meter high, unarmed, with numerous small, oblong 

 leaflets. Petals glandular, toothed-ciliateat their apex. Legume cimeter- 

 form, glandular, i -celled, dry. Flowers sulphur-colored, with a sickly 

 odor (supposed to injure the eyes). 



(Chili : Uruguay) ; N. Patagon., by Rio Negro ; also cultivated. 



5. HOFFMANSEGGIA Cav. 



Herbs or low shrubs, with glandular-punctate, bipinnate leaves and 

 racemes of yellow, nearly regular flowers. Calyx- segments 5, subequal. 

 Petals 5, imbricated. Stamens 10, anthers opening by slits. Pod flat. 

 Seeds numerous. 



Species 20, chiefly in S. Amer., and northwards to California and Mexico ; 

 i in tropical Africa. 



i. H. FALCARIA Gay. 



Herb, not black-pitted, but with stalked glands. Stipules ovate. Pin me 

 7-11. Pinnules 12-21, oblong. Racemes few-flowered. Legume linear- 

 oblong, curved or nearly straight, 8 12-seeded. 



(By Andes to N. Amer.) ; N. Patagon., high plains along Rio Negro. 



2. H. PATAGONICA Speg. 



Low, subglabrous. Radical and cauline leaves similar ; pinnae 3-4 pairs 

 and terminal ; on long petiole. Leaflets 4-5 pairs, minute, ovate. Scape 

 glabrous, sparsely racemose. Flowers mid-size. Calyx purple. Corolla 

 yellow. Legume glabrous. 



N. Patagon., high plane near Trelew. 



3. H. TRIPOLI ATA Cav. 



Nearly stemless. Pinnce 3 ; leaflets ovate, tomentose. Legumes erect, 

 villous (glabrous here, Speg.). 

 Patagon., passim. 



H. TRIFOLIATA PENTAPHYLLA Speg. 



Leaflets 5, some 3. Stipitles ovate, acutish ; they and the leaflets elliptic- 

 subovate, nervulose. 



N. Patagon., at confluence of Limay and Neuquen. 



