342 BENTHAM ON MlMOSEiE. 



crasso-coriaceum, ad suturas bimarginatum, intus carnosum 

 et incomplete septatum, maturitate valvulis subbaccantibus 

 dehiscens. Semina transversa, funiculo filiformi appensa. — 

 Arbores saepius parvse, ramulis crassis. Folia bipinnata 

 multifoHolata, foliolis ssepius latiusculis basi subtus ad axil- 

 las nervi medii barbata. Glandulae ut in Piptadenia majus- 

 cula prope basin petioli, minores inter v. infra foliola supre- 

 ma et interdum inter v. infra pinnas supremas. Flores parvi, 

 spicati, spicis axillaribus breviler pedunculatis. 



1. S. Barbatimam (Mart. Herb. Fl. Bras. 117.), ramulis 

 erassissimis junioribus rufo-tomentellis demum petiolisque 

 glabris, pinnis 5 — 8-jugis, foliolis 6 — 8-jugis oblique ovato- 

 orbiculatis concoloribus subtus barbatis cseterum glabris, 

 legumine oblongo-lineari recto. — Folia fere pedalia siccitate 

 rigricantia. Foliola adulta pollicem longa, 3 — 4-poll. lata, 

 obtusissima v. retusa. Spicse 2 — 4-pollicares. Corolla \\- 

 lin. longa, petalis saepius ad medium connatis. Legumen fere 

 Spoil, longum, semipollice latius. Semina 12 — 15, oblonga. 

 — Brazil, Pohl, Sello. — Mimosa Barbadetimam, Veil. Fl. 

 Flum. 11. t. 7. 



2. S. rotundifolium (Mart. 1. c), pinnis multijugis, foliolis 

 multijugis glabris orbicularibus. — Oeiras, Prov. Piauhy, 

 Martins.. — This species is unknown to me. 



3. S. discolor (sp. n.), subglabra, pinnis 5 — 6-jugis, folio- 

 lis 7 — 8-jugis oblique orbiculatis subtus candidis, spicis folio 

 dimidio brevioribus — Foliola pleraque semipollicaria, subtus 

 fere nitentia et basi breviter barbata. Spicae tenuiores quam 

 in S. barbatimam. — Serra de Araripe, near Caldas, Prov. 

 Piauhy, Gardner, n. 1945. This maybe the ^.rotundifolium, 

 Mart., but scarcely agrees with his very short character. 



4. S. polyphyllum (Mart. 1. c), ramulis crassis petiolisque 

 pulveraceo-tomentellis, pinnis 15_20-jngis, foliolis 10—20- 

 jugis oblique oblongo-ellipticis subtus discoloribus pubenti- 

 bus, corolla glaberrima, legumine oblongo-lineari recto v. 

 leviter falcato.— Folia pedalia. Foliola 3 v. rarius 4 lin. 

 longa, 2 Jin. lata, obtusa. Spicae et flores ut in S. harba- 

 timam, Legumen longius et ssepius falcatum, caterum 



