A TRIBE OF LEGUMINOS &. 57 
8. M. piLosuM (Benth. in Mart. Fl. Bras. Leg. ined.), stipulis indu- 
ratis demum spinescentibus, foliolis 25-45 lineari-oblongis obtusis 
retusisve crebre lineato-venosis glabris puberulisve, racemis subpani- 
culatis brevibus rufo-pubescentibus, vexillo glabro v. vix pilosulo, 
carina ovarioque incurvis, staminibus monadelphis.— Folia et legumina 
fere M. angustifolii. Flores minores (vix 4 lin. longi) glabriores. 
Carina minus arcuata. Staminum vagina dorso integra. 
Hab. North Brasil. 
9. M. enrocAnPUM (Benth. in Ann. Mus. Vind. ii. p. 98, et in Mart. 
Fl. Bras. Leg. ined.), stipulis demum indurato-spinescentibus, foliolis 
35-75 linearibus obtusis rigidulis subparallele venulosis, racemis ramis 
petiolisque cano-tomentosis, vexillo glabro, carina arcuato-subrostrata, 
staminibus monadelphis, ovario rectiusculo.—M. angustifolium, Mart. 
Herb. Fl. Bras. n. 1111, non Vog.; M. Martii, Tul. Arch. Mus. Par. 
iv. p. 92; Nissolia hirta, Vell. Fl. Flum. vii. t. 78 ?—Foliola conferta, 
3-6 lin. longa, novella cano-tomentosa demum glabrata. Flores 4 
lin. longi, panicula brevi. Legumen cano-tomentosum. 
Hab. Brazil, prov. Mattogrosso. 
10. M. DISCOLOR (Vog. Linnea, xi. p. 204), stipulis induratis demum 
spinescentibus, foliolis 5-7 ovatis acuminatis basi acutis glabris 
coriaceis nitidis crebre lineato-venosis, racemis laxe paniculatis, sta- 
minibus monadelphis, carina naviculari, ovario vix curvato.—M. 
lineatum, Benth. in Ann. Mus. Vind. ii. p. 98; Nissolia declinata, 
Vell. Fl. Flum. vii. t. 77 ?—Foliola bipollicaria et longiora, ultra 
pollicem lata. Flores vix 4 lin. longi. Legumen ignotum. 
Hab. Brazil, near Rio Janeiro. 
ll. M. HuMBorpTIANUM (Vog. Linnea, xi. р. 198), stipulis induratis 
demum spinescentibus, foliolis 5-7 ovatis acuminatis basi subrotundatis 
glabris coriaceis nitidis creberrime lineato-venosis, racemis laxe pani- 
culatis, staminibus subisadelphis, carina ovarioque vix arcuatis.— Valde 
affine M. discolori. Vens foliolorum crebriores, vix anastomosantes. 
Flores paullo majores et forma petalorum paullulum diversi. Legu- 
men glabrum, parte seminifera quam ala dimidio angustiore, basi 
acutum, longiuscule stipitatum. 
Hab. New Granada, in the valley of the Araguas, Humboldt & Bonpland ; 
near Caraccas, Vargas, Linden, n. 202. 
12. M. VkLLosiANuM (Benth. in Ann. Mus. Vind. ii. р. 98, et in Mart. 
Fl. Bras. Leg. ined.), stipulis demum indurato-spinescentibus, foliolis 
7-13 oblongo-ovatis utrinque acutiusculis coriaceis glabris lineato- 
venosis, paniculis puberulis, legumine glabro.—Nissolia aculeata, Vell. 
Fl. Flum. vii. t. 79, non DC.-- Foliola 1-14 poll. longa, 6-7 lin. lata. 
Hab. Brasil, near Rio Janeiro. 
I have only seen fruiting specimens, which differ from M. discolor 
chiefly in their smaller and narrower leaflets. 
