33 



MIMOSA Uruguensis. 



The Uruguay Mimosa. 



POLYGAMIA MONCECIA. 



Nat. ord. Leguminos,e, § Mimose^b. 

 MIMOSA. Botanical Register, vol. 1. t. 25. 



Sect. III. Amerta. Flores tetrameri v. seepe pentameri. Stamina numero 

 petalorum dupla. Legumen pleiospermum v. polyspermum, intus trans- 

 verse septatum v. unilocular^ valvulis planis v. convexis, indivisis. 

 Frutices, arbores v. rarius herbse. Petioli glandulis orbati et rarius inter 

 pinnas setosi. Pinnce pluri-v. multijugse, rarius unijugse aut nullae. 

 Foliola ssepius multijuga. Calyx varius. Corolla membranacea. Legumen 

 nunc undique setosissimum, v. hispidum, nunc glabrum nudum v. mar- 

 gine aculeatum. — Species omnes Americanae. Bent ham in Hooker's 

 Journal, I. c. 403. 



§ 3. Stipellares. Frutices divaricato-ramosi, glabri v. canescenti-pubescentes 

 nee setosi, sparse aculeati v. rarius inermes. Pinnce pauci-rarius multi- 

 jugse. Stipel/ce ad basin petiolorum minimae orbiculatee, nee ut in ceteris 

 Mimosis setaceee vel setaceo-acuminatse. Pedunculi axillares. Capitula 

 globosa. Flores tetrameri. Calyces parvi non ciliati. Legumen planum, 

 glabrum pubescens v. tuberculatum, nee setosum nee aculeatum, margine 

 cartilagineo. Bentham, I. c. 406. 



M. uruguensis; glabra, aculeis sparsis rectis, stipulis lato-ovatis acutis, 

 pinnis 1-2-jugis, foliolis 8-12-jugis oblongo-linearibus, pedunculis folio 

 sublongioribus, bracteolis parvis, legumine lineari falcato scabro. Ben- 



tham, I. c. 407. 

 M. uruguensis. Hooker fy Arnott, Botanical Miscellany, vol. 3. p. 202. 



A pretty greenhouse shrub, very nearly hardy, which 

 would no doubt improve much in appearance under the 

 hands of a good cultivator, and it would reward his pains. 



It is a native of the province of Buenos Ayres, whence 

 seeds were received by the Hon. W. F. Strangways, and 

 given to the Horticultural Society. It flowered at Chiswick 

 in June 1841. 



In the elaborate enumeration of Mimosas by Mr. Bentham 

 in Hooker's Journal of Botany, we find 191 genuine species 



