286 
A common tropical form. A cultivated form, found as an escape, 
with the lobes of the wings subequal, stipitate and orbicular (forma 
2. I. polyactina, Hk. f. 
ios WOH : Mt. Kiao, prov. Benguet, R. S. Williams in Herb. 
Hort. Bot. Nov. Eborac. n, 2012. Ree 
A remarkable species with long siender stems, ie 
branches, long and narrow leaves 2-3 cm. long. Its only near ally 
is the Javanese J, eyclocoma, Miq.—Not in Herb. Kew. 
Vore et Hoover in Herbh, Philipp. Expos. Board n. 366; re 
Haleon, alt. 1300 m., Mindoro, M, 1. Merritt in Herb. Bur. : 
n, 4391; R.S. Williams in Herb. Hort. Bot. Eborae. n. 3032, 2587. 
The largest flowered Philippine Island species. 
Luzon ; prov. Rizal, A. Loher, n. 6768. ceailil 
Closely allied to 1. Burkei, but smaller flowered and re sg 
distinguished by the small sepals, 
5. I. Hutchinsoni, Hk. f, ; nt 
MInpanao; Mt. Malingdang, prov. Misamis, Major Mearns 
W. J. Hutchinson in Herb. Bur. Se. n. 4564. 
6. I. Clemensae, Hk. f, 
Minpanao; Lacus Lanas, Camp K eithley, alt. 750 m., 
Mrs. Mary Strong Clemens in Herb. Bur. Govt. Labs. n. 201. 
7. I. biganensis, Hk. f. 4 . 
Luzon; Cerro Bigan, Montalban, 4, Loher, n. 1650 in 
Kew. 
8. I. caviteana, Hk, f, Say 
Luzon ; Maragondon, prov. Cavite, &. D. Merrill in Herb. 
Bur. Govt. Labs. n. 4] 79. 
9. I. Elmeri, Hk, f, . 
Luzon ; Panai, prov. Benguet, sylvis alt. 2000 m., B,D, Merrill 
in Herb. Bur. Se. n, 4705—_N ot in Herb. Kew ‘ i 
10. I. manillensis, Walp. in Nov. Act. Nat. Cur. xix. suppl 
(1843) 317; Walp. Rep. Bot. v. 382—see Appendix. Hel 
oo Jala Jala, Meyen in Mus. Bot. Berol.—Not in : 
ew 
I have carefully examined the type specimen of this plant — 
lent to me by the Berlin Museum authorities, and give in an SOE h are 
to this treatise a full description of it. When the allied species ee 
enumerated are better known, it is probable that one or more may oe 
be referable to J, manillensis or to forms of it. 
11. I. quercetorum, Hk. f. ‘ 
Luzon ; prov. Benguet, Loher, n. 1651 in Herb. pest a 
Panai, quercetis alt, 2100 m., Major E, A. Mearns in Herb. bur. 
Sc. n. 4417, 4300, 4381, 
