512 NOTES ON MIMOSE. 
minute puberulis, calyce corolla vix dimidio breviore.— 
Glandula petiolaris magna verruceformis, jugales minime 
ad pinnarum nec non foliolorum paria suprema. Foliola 13- 
2 lin. longa, tenuissima. Spice bipollicares. ^ Bracteole 
wt ons Corolla fere 2 lin. longa.— Brazil, Sello. 
3. A. Bonariensis (Gill. in Hook. Bot. Misc. iii. 207), 
Se sparsis recurvis, ramulis petiolisque albicantibus 
glabris v. minutissime tomentellis, stipulis setaceis deciduis, 
pinnis 6-12-jugis, foliolis 20-25-jugis oblique linearibus 
glabris, spicis breviter cylindraceis paniculato-racemosis, 
floribus sessilibus velutinis, calyce corolla parum breviore, 
legumine lato-lineare plano glabro, valvulis coriaceo-char- 
taceis. — Buenos Ayres and S. Brazil Gillies, Tweedie, 
Sello, &c. 
294. A. velutina (DC. Prod, ii. 489) Sege petiolisque 
junioribus velutino-pub t i lis, aculeis 
infrastipularibus sparsiaque recurvis, stipulis hinc inde elon- 
gatis lineari-spathulatis membranaceis deciduis, pinnis 7-11- 
jugis, foliolis 20-40-jugis linearibus membranaceis demum 
glabratis, spicis cylindricis densis fasciculato-racemosis, 
floribus sessilibus pubescentibus, calyce corolla parum 
breviore.— Ovarium substipitatum, villosum.— Brazil, Pohl ; 
Utinga, in the province of Bahia, Blanchet n. 2772. 
The A. dumetorum DC., A. monacantha Willd., A. Spini 
Balb. (DC. Prod. ii. 459, 460,) and A. hostilis, Mart. Reise, if 
they are true Acacie, would belong to this section ; but they 
are not sufficiently described to determine the genus. 
$3. Nudiflore. Inermes. Inflorescentia spicata. Species 
omnes Americane. 
Single branches of spiniferous or aculeate species occur 
sometimes without thorns or prickles; but it is very rare 
that a good specimen, with young shoots, is so entirely 
without, as to be confounded with the Nudiflore, or 
truly unarmed species. 
295. A. sclerozyla (Tuss. Fl. Ant. t. 21,) ramulis petiolisque 
tomentellis, stipulis obsoletis setaceisve, pinnis 10-15-jugis, 
foliolis 30-70-jugis linearibus obtusis glabris, spicis axilla- 
