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28 MERRILL. 
mm in diameter, the peduncles slender, about 1 em long. Flowers 
yellow, with a faint odor, the calyx 2 mm long. Pods 4 to 9 em long, 
7 to 10 mm wide, dark-colored when dry, shining, base acute or acu- 
minate, the apex acute or somewhat curved-apiculate, somewhat inflated 
opposite the seeds and frequently constricted between them, scarcely 
reticulated. Seeds 4 to 8 in each pod, elliptic, compressed, 5 mm long, 
their longer diameter arranged parallel with the pod, not at right 
angles to it. 
Luzon, Province of Zambales, Merrill 2114 (type), For. Bur. 5922, 2010 Curran. 
Formosa, Henry 774. 
Acacia richii is said to be represented also by the following Formosan speci- 
mens, which I have not seen: Oldham 193, Swinhoe s. n., Ford s. n., fide Forbes 
& Hemsley; Faurie 41, 141, fide Matsumura and Hayata. 
After a careful examination of the Philippine material, and a specimen of 
Henry 774 from Formosa, and comparison of this material with the original 
description and figure, as well as with a typical phylloclade from the type collection 
of Acacia richii A. Gray, I am convinced that the form above described as Acacia 
confusa is specifically distinct from Gray’s species. About four years ago Dr. C. 
B. Robinson, then at the New York Botanical Garden, called my attention to the 
differences between the Philippine material and the type collection of A. richii, 
and kindly supplied me with a fragment of the latter, expressing the opinion that 
two species were represented, an opinion in which I entirely concur. 
Native names: Ayarngili, ualisin (Zambales). 
Luzon and Formosa, , 
2. Acacia farnesiana (Linn.) Willd. Sp. Pl. 4 (1805) 1083; Benth. in Trans. 
Linn. Soc. 30 (1875) 502; Baker in Hook. f. Fl. Brit. Ind. 2 (1878) 292; Vid. 
Sinopsis Atlas (1883) ¢. 45, fig. C, Rev. Pl. Vase. Filip. (1886) 119; F.-Vill. Nov. 
App. (1880) 74. 
Mimosa farnesiana Linn. Sp. Pl. (1753) 521; Blanco Fl. Filip. (1837) 729, 
ed. 2 (1845) 504, ed. 3, 3: 133. 
Luzon, Province of Cagayan, For, Bur. 17041 Curran: Provinee of Abra, For. 
Bur, 16561 Darling: Province of Ilocos Sur, For. Bur. 14083 Merritt & Darling: 
Province of Union, Elmer 5598: Manila, Merrill 3461: Province of Laguna, Elmer: 
Province of Rizal, Licup 382, Merrill 1641: Province of Bataan, Elmer 7003, 
Williams 361: Province of Tayabas, Bur. Sci. 2359 Mearns. MiINnporo, For. Bur. 
8564 Merritt. MAspatr, Merrill 3404. GumMARAS, For. Bur. 47 Ritchie. M1n- 
DANAO, For. Bur. 3915 Hutchinson, Copeland s. n. 
Quite universally known in the Philippines by the name aroma, of Spanish 
origin; in Ilocos Sur, candaroma. 
Probably a native of tropical America, now widely distributed in the tropies 
of the world; common and widely distributed at low altitudes in the Philippines 
and entirely naturalized. 
3. Acacia rugata (Lam.) Ham. in Wall. Cat. (1832) no. 5251. 
Mimosa rugata Lam. Eneyel. 1 (1783) 20. 
Mimosa concinna Willd. Sp. Pl. 4 (1805) 1039. 
Acacia concinna DC, Prodr. 2 (1825) 464; Benth. in Trans. Linn. Soc. 30 
(1875) 531; Baker in Hook, f. Fl. Brit. Ind. 2 (1878) 296; Vid. Phan. Cuming. 
Philip. (1885) 111, Rev. Pl. Vase. (1886) 120. 
Acacia philippinarum Benth, in Hook. Lond. Journ. Bot. 1 (1842) 514, quoad 
no. 1166 Cuming. 
