236: REPORT ON THE PLANTS 
winged round the edge, aud in foliage. It consists as yet of three 
species: 1. P. abruptus (Commilobium abruptum, Moric.) ; 2. P. emar- 
ginatus, Nog. (Commilobium pubescens, Benth.); and 3. P. polygala- 
florus (Commilobium polygaleflorum, Benth.),—all from Brazil. 
Sclerolobium ¢izctorium, sp. n., foliolis 6-8-jugis oblongis acuminatis 
basi subobliquis et parum inzquilateris utrinque sparse hirtellis 
glabratisve viridibus, floribus sessilibus, calyce florescente sericeo, 
petalis glabris. —Arbor ramulis novellis ferrugineo-pubescentibus. 
Stipule rigide, profunde partite, laciniis setaceis subteretibus. 
Foliorum petiolus communis 6-9 poll. longus, pilosulus v. pubes- 
cens.  Foliola omnia opposita v. paris ultimi dissita, breviter 
petiolulata, 3-4 poll. longa, 1—14 poll. lata, acumine seepius elongato 
obtuso v. acutiusculo, plus minus obliqua et inzquilatera, consis- 
tentialaurina. Panicula more generis ampla, ramosissima. Flores . 
in ramulos ultimos dense spicati, iis S. paniculate similes sed 
sessiles. Calycis tubus brevis, hemisphsricus; limbi lacinize paulo 
longiores, late ovate, obtusissims, concave, membranaces, extus 
pube tenui canescentes v. flavidee. Anthere et pili filamentorum 
aurez. Petala filiformia, vix calyce longiora. Stamina subduplo 
longiora, basi copiose pilosa, apice nuda. Ovarium breviter stipi- 
tatum, pilis longis hispidum ; ovulis circa 6. 
Caripi, on the Rio Para. . Mr. Spruce states that it is a tree of about 
fifty feet, with a rough bark, abounding in tannin, and used as a dye. 
This handsome genus now contains the nine following species :— 
1. S. denudatum, Vog., foliolis 2—3-jugis oblongis basi angustis (æqua- 
libus?) glabris, floribus sessilibus, calycibus aureo-hirtis.—South 
— Brazil. | 
2. S. macrophyllum, Vog., foliolis 5—6-jugis subovato-oblongis breviter 
lateque acuminatis basi rotundatis (æqualibus ?) glabris, pedicellis 
brevissimis.—Cujabà in Mattogrosso. 
3. S. hypoleucum, sp. n., foliolis 2-3-jugis ovatis subacuminatis basi 
. rotundatis subzqualibus supra glabris subtus pube minuta sericeo- 
nitentibus, floribus breviter pedicellatis, calyce incano-sericeo, petalis 
pilosissimis.—W oody hills at Barra do Rio Negro, Riedel. 
4. S. chrysophyllum, Porpp., foliolis 4—6-jugis oblongis basi rotundatis 
ineequilateris acuminatis supra glabris subtus sericeo-nitentibus 
pallidis, floribus sessilibus, petalis glabris.—S. sericeum, Tulasne.— 
Ega, on the Amazon. 
