381 



LEGUMINOS^:. CCXXIII. MIMOSA. 



Many-fingered Humble-plant. Fl. June, July. Clt. 1822. 

 Shrub 1 to 2 feet. 



^ 3. Bipinnattz (from blpinnatus, bipinnate leaves). Leaves 

 hi pinnate, with the pinna; distant, not approximate at the top of 

 the common petiole, as in the last division. 



* Plants prickly. 



19 M. GEMINA'TA (Moc. et Sesse, fl. mex. icon. ined. D.C. 

 prod. 2. p. 427.) stems diffuse, and are as well as the petioles 

 prickly ; leaves bipinnate, with 2-3 pairs of pinna;, each pinna 

 bearing 15-20 pairs of leaflets; heads of flowers axillary, twin. 

 If,. S. Native of North America, on the western coast. Heads 

 of flowers almost like those of M. pudlca. Flowers red. Le- 

 gumes unknown. 



Twin-headed Mimosa. PI. diffuse. 



20 M. MONTA'NA (Kunth, mim. p. 31. t. 10. nov. gen. amer. 6. 

 p, 259.) branches prickly, puberulous ; leaves bipinnate, short, 

 unarmed, with 2-3 pairs of pinnae, each pinna bearing 4-C pairs 

 of elliptic-oblong, puberulous leaflets, fj . S. Native of Peru, 

 on the Andes, near Caxamarca, at the height of 4310 feet above 

 the level of the sea. Heads of flowers solitary or twin, of a 

 very pale rose colour or white. Legume linear, many-jointed, 

 glabrous. 



Mountain Mimosa. Shrub 1 to 2 feet. 



21 M. HU'MILIS (Humb. et Bonpl. in Willd. spec. 4. p. 1037.) 

 branches prickly, hispid ; leaves bipinnate, with 3-4 pairs of 

 pinnae, each pinna bearing 6-13 pairs of linear, acutish leaflets, 

 which are puberulous beneath as well as on the margins ; 

 prickles straight, subulate, those on the petioles opposite ; heads 

 of flowers solitary, fj . S. Native of Peru. H. B. et Kunth, 

 nov. gen. amer. 6. p. 254. Flowers red. Legume ovate, 2- 

 jointed, beset with bristles. 



Humble Mimosa. Shrub -| foot. 



22 M. HAMA'TA (Willd. spec. 4. p. 1033.) branches, petioles, 

 and peduncles pubescent and prickly ; leaves bipinnate, with 4 

 pairs of pinnae, each pinna bearing 7-8 pairs of leaflets ; pedun- 

 cles longer than the leaves. P? . S. Native of the East Indies. 

 Legume 5-jointed, sinuated, pubescent. 



Hooked Mimosa. Shrub 2 to 4 feet. 



23 M. SOMXIANS (Humb. et Bonpl. in Willd. spec. 4. p. 1036.) 

 branches prickly, rather hispid ; leaves bipinnate, with 4-5 pairs 

 of pinnae, each pinna bearing many pairs of linear, glabrous 

 leaflets ; rachis rather prickly ; heads of flowers solitary. J; S. 

 Native of New Granada, on the Andes. H. B. et Kunth, nov. 

 gen. amer. 6. p. 256. Kunth, mim. p. 20. t. 7. Flowers red. 

 Legume linear, many-jointed, hispid. 



Sleeping Mimosa. Shrub 2 to 6 feet. 



24 M. PA'LPITANS (Humb. et Bonpl. in Willd. spec. 4. p. 1036.) 

 branches prickly, glabrous ; leaves bipinnate, with 5-6 pairs of 

 pinnae, each pinna bearing many pairs of linear, glabrous leaflets ; 

 rachis setose, and rather prickly ; heads of flowers usually twin, 

 f? . S. Native of South America. Flowers red. Legumes 

 linear, 8-12-jointed, rather setose. Perhaps distinct from M. 

 xumnians. 



Beating Mimosa. Shrub 2 to 4 feet. 



25 M. INTERMEDIA (Kunth, mim. p. 1 6. t. fi. H. B. et Knnth, 

 nov. gen. amer. 6. p. 255.) branches hispid, and are as well as 

 the rachis prickly ; leaves bipinnate, with 4-7 pairs of pinnae, 

 each pinna bearing 9-15 pairs of linear, obtuse, glabrous leaflets; 

 heads of flowers usually twin. 1j . S. Native of the plains of 

 Caraccas. Flowers red. Legume short, 2-4-jointed, oblique, 

 hispid, with the upper joint broader than the rest. 



Intermediate Mimosa. Shrub procumbent. 



26 M. SOMNICULOSA (H. B. et Kunth, nov. gen. amer. 6. p. 

 257.) branches pilose, and are as well as the rachis prickly ; 

 leaves bipinnate, with 10-12 pairs of pinnae, each pinna bearing 



many pairs of linear, acutish, glabrous leaflets ; heads of flowers 

 solitary. Jj . S. Native of South America, within the tropics. 

 Flowers red. 



Sleepy Mimosa. Shrub. 



* * Plants unarmed. 



27 M. VI'SCIDA (Willd. ennm. p. 1048.) branches and petioles 

 unarmed, but clothed with clammy glands ; leaves bipinnate, 

 with 4 pairs of pinnae, each pinna bearing many pairs of linear, 

 obtuse, glabrous leaflets ; heads of flowers globose, solitary. 

 1? . S. Native of Brazil. Flowers red. Legume unknown. 

 Perhaps belonging to a different section. 



Clammy Mimosa. Clt. 1825. Shrub 2 feet. 



28 M. MICROCE'PHALA (Humb. et Bonpl. in Willd. spec. 4. p. 

 1039.) branches and petioles unarmed, but clothed with adpres- 

 sed pili ; leaves bipinnate, with 12-14 pairs of pinnae, each pinna 

 bearing many pairs of oblong-linear, obtuse, ciliated leaflets ; 

 heads of flowers ovate, twin or tern. I? . S. Native of the 

 banks of the river Orinoco. Kunth, mim. p. 23. t. 8. nov. 

 gen. amer. 6. p. 257. Flowers red. Legume linear, many- 

 jointed, strigose. 



Small-headed Mimosa. Fl. June, July. Clt. 1820. Shrub 

 2 to 4 feet. 



SECT. II. HABBA'SIA (Habbas is the Egyptian name of M. 

 polyacantha). D. C. legum. mem. xii. prod. 2. p. 428. Le- 

 gume compressed, very hispid, with straight parallel margins, 

 never contracted at the articulations; joints few, shorter than 

 broad. In all the species the branches and petioles are prickly ; 

 the prickles on the petioles usually opposite. Leaves bipinnate. 

 Flowers white. 



29 M. DO'RMIENS (Humb. et 'Bonpl. in Willd. spec. 4. p. 

 1035.) branches prickly, and densely clothed with white hairs; 

 leaves bipinnate, with 5-7 pairs of pinnae, each pinna bearing 9- 

 1 2 pairs of linear, rather falcate, acute leaflets, which are pubes- 

 cent on both surfaces ; prickles opposite, subulate, straight, 

 placed between each pinna, and at their base ; heads of flowers 

 solitary. Jj. S. Native of South America, in sand on the 

 banks of the river Apures. Flowers white. Legume unknown, 

 but is allied to M. asperata. 



Sleeping Mimosa. Fl. June, July. Clt. 1818. Sh. procumb. 



30 M. CANE'SCENS (Willd. spec. 4. p. 1038.) leaves bipin- 

 nate, with 8-10 pairs of pinnae, each pinna bearing many pairs 

 of leaflets, which are covered with hoary strigae ; cauline prickles 

 hooked, those on the petioles remote. fy . S. Native of Guinea. 

 Flowers white. Branches, petioles, and peduncles beset with 

 stiff" pubescence. 



Canescent Mimosa. Fl. June, July. Clt. 1822. Shrub 1 foot. 



31 M. HISPIDA (Willd. spec. 4. p. 1037.) leaves bipinnate, 

 with 10 pairs of pinnae, each pinna bearing many pairs of 3- 

 ncrved leaflets ; cauline prickles hooked, petiolar ones wanting. 

 \ . S. Native of Caraccas. Branches, petioles, and peduncles 

 setose. Legume attenuated at both ends, flat, setose, of about 

 15 joints. Flowers white. 



Hispid Mimosa. Tree 10 to 20 feet, 



32 M. CILIA'TA (Willd. enutn. p. 1048.) leaves bipinnate, with 

 10 pairs of pinnae, each pinna bearing many pairs of ciliated 

 leaflets ; prickles straight, opposite, a pair between each pair of 

 pinnae, but solitary at the base of the pinnae. Tj . S. Native of 

 Brazil. Branches and petioles hairy. Flowers white. Legumes 

 unknown. Allied to M. asperata. 



Ciliated-lea&etted Mimosa. Shrub. 



33 M. PELLI'TA (Humb. et Bonpl. in Willd. spec. 4. p. 1037.) 

 leaves bipinnate, with 8-12 pairs of pinnae, each pinna bearing 

 many pairs of leaflets, which are hispid on the margins, as well as 

 on the under surface ; cauline prickles straight, as well as those at 

 the base of the pinnae ; peduncles twin, 4 times longer than the 



