ENUMERATION OF PHILIPPINE LEGUMINOSAE. 
21 
Pithecolobium clypearia Benth. Credited to the Philippines by Usteri, Beitr. 
Ken. Phil. Veg. (1905) 117, but probably an erroneous identification for P. 
angulatum Benth., or P. subacutum Benth. 
4. ALBIZZIA Durazz. 
Leaflets small or medium-sized, mostly oblong, ovate-oblong or linear-oblong, neyer 
more than 5 cm in length. 
Seandent shrub ; the petioles subtended by a thick, curved, hook-like pulvinus. 
1. A. scandens 
Erect trees or shrubs; pulvinus not enlarged. 
Leaflets oblong or ovate-oblong, obtuse, 1.5 to 5 cm long, the costa central 
or subcentral. 
Flowers sessile; the portion of the leaflet on the upper side of the costa 
broader than the lower 2. A. procera 
Flowers pedicelled; leaflets subequilateral or the lower half broader than 
the upper. 
Leaflets subequilateral; umbels few-flowered; flowers, including the sta- 
mens, 1.5 cm long; stamens purplish 3. A. retusa 
Leaflets inequilateral, the portion on the lower side of the midrib mani- 
festly broader than the upper; umbels many-flowered; flowers includ- 
ing the stamens, about 3 cm long, white 4. A. lebbeck 
Leaflets small, linear or linear-oblong, usually more or less falcate and less 
than 1.5 cm in length, the costa strongly excentric, near the upper 
margin; flowers sessile. 
Pinnae usually 4- to 6-jugate; costa distinct from the upper margin of 
the leaflets 5. A. lebbekoides 
Pinnae usually 9- to 15-jugate; costa close to the upper margin of the 
leaflets; stipules large, inequilateral, ovate, cordate, caducous, 2 to 
2.5 cm long 6. A. marginata 
Leaflets large, ovate, acute or acuminate, the upper ones 10 to 18 cm long. 
Pinnae 2-jugate; leaflets pubescent with short appressed hairs beneath; inflo- 
rescence terminal ; pods flat, not at all inflated, thin, dehiscent, 20 cm 
long or less 7. A. saponaria 
Pinnae 1 -jugate; leaflets entirely glabrous; inflorescence axillary; pods inde- 
hiscent strongly inflated opposite the seeds, 25 to 40 cm long 8. A. acle 
1. Albizzia scandens Merr. in Philip. Journ. Sci. 4 (1909) Bot. 265. 
Palawan, Iwahig, Bur. Sci. 829 Poxiuorthy, May, 1906. In thickets near the 
seashore. 
Endemic. 
2. Albizzia procera (Roxb.) Benth. in Lond. Journ. Bot. 3 (1844) 89, Trans. 
Linn. Soe. 30 (1875) 564; Baker in Hook. f. FI. Brit. Ind. 2 (1878) 299; Miq. 
FI. Ind. Bat. I 1 (1855) 21; Prain ex King in Journ. As. Soc. Ber.g. 66 2 (1897) 
259, 513; F.-Vill. Nov. App. (1880) 75; Merr. in Philip. Journ. Sci. 1 (1906) 
Suppl. 62. 
Mimosa procera Roxb. PI. Coromandel 2 (1798) 12, pi. 121. 
Acacia procera Willd. Sp. PI. 4 (1805) 1063. 
Mimosa coriaria Blanco FI. Filip. (1837) 734, ed. 2 (1845) 506, ed. 3, 3: 136. 
Albizzia retusa Perk. Frag. FI. Philip. (1904) 6, non Benth. 
Luzon, Province of Abra, For. Bur. Ui513, 11/552, 11/631/ Darling : Province of 
Ilocos Norte, For. Bur. 1381/8 Merritt <£- Darling: Province of Ilocos Sur, For. 
Bur. 13025 Paraiso, For. Bur. 521/1 Klemme : Province of Union, For. Bur. 11/11/0 
Merritt <£ Darling, Elmer 5692: Province of Benguet, Williams 1286, For. Bur. 
