Tas. 5075. 
INGA MACROPHYLLA. 
Large-leaved Inga. 
Nat. Ord. Lecuminos£.—PoLYGAMIA Mona@cota. 
Gen. Char. Flores hermaphroditi vel rarius polygami. Calyx tubulosus vel 
campanulatus, 9-8-dentatus. Corolla tubulosa vel infundibuliformis. Stamina — 
indefinita, seepius numerosa, corolla duplo vel pluries longiora, basi in tubum 
coalita. Ovarium unicum. Legumen carnosum vel coriaceum, planum, tetragonum 
vel subteres, rectum vel subincurvum, vix dehiscens, marginibus inerassatis vel 
valde dilatatis et sulcatis. Semina pulpa dulci sepe nivea involuta.—Frutices vel 
arbores Americe calidioris, inermes. Folia simpluciter abrupte pinnata ; petiolus | 
inter juga foliorum sepe in alam expansus, alis semper ad nodos interruptis. Glan- 
dule inter omnia paria scutellata, turbinate, vel stipitate, in speciebus perpaucis ob- 
solete vel plane nulla. Foliola omnia opposita, paucyjuga, majuscula (1 nunc maxima), 
—rarissime pollice minora,—sape pedalia, ee oblongo- vel lanceolato-ovata. Flores — 
in umbellas, capitula, vel spicas oblongas vel rarius elongatas dispositi. Spice soli- 
tarie vel sepius fasciculatim pedunculate, avillares vel ad apices ramulorum foliis 
abortientibus paniculata. Flores sepissime albi. Benth. : 
Pr Ge Snr ar ae ck aaa ith a, aD 
Inga (§ Euinga) macrophylla ; ramulis tetragonis ferrugineo-villoso-tomentosis, 
foliis junioribus parce hirtellis demum glabratis supra nitidis, petiolo ra-_ 
chique lato-alatis, foliolis 2-3-jugis subcoriaceo-membranaceis ovatis obo- 
vato-lanceolatisve brevi-acuminatis villosis demum glabratis supra nitidis — 
subtus venis prominentibus basi ‘obtusis vix subcordatis, stipulis lato-lan- 
ceolatis, pedunculo axillari solitario monocephalo petiolo longiore, capitulo 
globoso, floribus flavis sericeis, calyce tubuloso, corolla infundibuliformi ealy- 
cem duplo excedente, staminibus longissimis. 
Inca macrophylla. H.B.K. Gen. et Sp. Am. 0: 4. P- 1015. Benth. in Hook. 
Lond. Journ. Bot. v. 5. p.410. Walp. Rep. Bot. v. 5. p. 638. we 
Inca calocephala. Popp. et Endl. Nov. Gen. et Sp. Pl. Peru. ete. 0. 3. BE 
(according to Bentham). 
Notwi h of the genus Inga and 
otwithstanding the able monograph ©. ae aru eo 
of the Mimosee generally of Mr. Bentham in th 
quoted, I find the greatest difficulty in identifying the present 
species. The living plant was received from Linden in 1849, 
under the name of Jnga macrocephala, to which plant, of H.B.K. 
at least, Mr. Bentham refers the I. calocephala of Poeppig and 
Endlicher ; yet I find the characters given of the two somewhat 
OCTOBER lst, 1858. 
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