202 
342. (1.) Mimosa? adpressa (Hook. et Arn.) ; fruticosa acu- 
leata, aculeis sparsis rectis, ramis setis subulatis fuscis re- 
trorsis arctissime appressis, foliis conjugato-pinnatis pin- 
nis multijugis foliolis (minutis) imbricatis lineari-oblongis 
mucronatis glabris, rachi subtus setis subulatisfuscis rectis 
antrorsum arctissime adpressis, stipulis lato-lanceolatis 
membranaceis striatis, glandulis nullis, capitulis globosis 
sessilibus, calyce corollaque 4-fida staminibus 4-plo bre- 
vioribus,—Uraguay, Baird. Entre Rios, Tweedie,—This 
comes exceedingly close to M. ciliata, Spr., from Monte 
Video, nor do we perceive any difference, except that 
in ours the pinne: are from 20-30 jugate : in Sprengel's, 
only 6-jugate. ! 
343. (2.) Mimosa? Uraguensis (Hook, et Arn.); fruticosa 
aculeata aculeis rectis, foliis bijugis pinnis 10—12-jugis, 
foliolis lineari-oblongis (parvis) acutis, stipulis stipel- 
lisque (obtusissimis) late-cordatis, capitulis globosis, 
staminibus corollam 4-plo excedentibus.—Uraguay, 
Baird. 
344. (3.) M. asperata, Willd.—Miarshes of Rio Parana, 
Tweedie,—g8. glabrior.—Sandy Shores of La Plata, 
345. (1.) Inga Uraguensis (Hook. et Arn.); inermis, ramis 
ferrugineo-velutinis, petiolo inter pinnas alato, alis semi- 
oblongis, foliis simpliciter pinnatis 4-jugis, pinnis oblongo- 
ovatis acutiusculis mucronatis utrinque parcissime pilosis 
subcoriaceis supra nitidis subtus pallidis, petiolo nervo 
primario supra omnibusque infra ferrugineo-villosis, 
glandula cupuliformi sessili inter omnes pinnas, floribus 
subdense spicato-paniculatis terminalibus,  peduneulis 
calycibus corollaque aureo-velutinis tomentosis.— Shores 
of the Rio Uraguay, Titedis.- Apparently allied ¢ to I. 
affinis, DC. 
346. (2.) Inga parvifolia (Hook. et Arn.) : inermis, foliis bi- 
pinnatis 4—6-jugis, pinnis multijugis, foliolis (minutis) 
arcte dispositis lineari-oblongis acutis glabris parce pi- 
loso-ciliatis, glandulis nullis, capitulis hemisphaericis pe- 
