416 
TaBLeE X V—Continued. 
Name. Pat, Pee ©. D, |B F. G. 
67. Wrightia laniti 
6h Zieyeonus winervis. So | -—-. apes) eo rp 1 
69. Zizyphus zonulatus____-__-__-------- ee eee ray aes 2 
70, See MRIS oN 1 
71, Alleanthus luzonicus_--..---.------ p Ra pare 1 eS a 
72. Antidesma leptocladum____-.------- jeeee sme ee ea ae . 1 
w 
73. Dysoxylum cumingianum__-__...__. pl Re ae ater ok pte TNS EGS eee 
74. Arytera littoralig._<--. ----...---_- yA 1 Vi bee et HI oN | ia ae 
75. Celtis philippinensis “A ER an bake rashes SEF aa 3 1 
76. Cyclostemon monospermus -.------~- YE sai i: Poa ae tia 
77. Cyathocaly= gicnbetiyn notes sos} .|2 >). ---s j del Pa 
78. Cyclostemon microphyllum____.—__- Rao 3 Peed ties PRE, 
79. Garcinia binucao —_--------- ta | eae te SA | hele aes 1 | 
80. Ellipanthus luzoniensis —__.-_.~----- ty fog aA 
81, Endospernum peltatum —____-_--___- pM Pie secs PS tek RE ae a he eres 
82. Eugenia bordenii _______- ig nw eA fee PRAISE cae ail Poe as 1 | 
PO ae ET ee EEE ASE eae a, (Seen aOR amo KO aN | 
84. Flacourtia inermis __-_-----------___. 1: poke filet fie: 
85. 
86 
Oem ape par ee fewer ieee 
. Gonocaryum tarlacense _____-___-_--|-------- apts Neem tea BRE Preaek ATS! Brg oo 1} 
| 
88. Laportea luzonensis | ni ae 1 | ied = Fal BS ST Sy SES ee a teres 
89, Litsea perrottetii_______.--._.... _------- eRe baie | 
. 00: Homalanthos popnineus 23020 2). ee. 
91. Macaranga mappa -_--------.~------ Ca Sa, i Pie EV ei pea TS aS oe a Rae 
92, Memecylon preslianum __ -__-____-._|_-------}---.---- RE Bi 
; 93. Palaquium luzoniense | 
| 94, Premna nauseosa_____---------- Saal Se eae eee gee Hf skomnestenn tte tos 
95. Premna cumingiana __._-----------. -------- 
OE 2 Sc | eel deales Rees Sena aay 2 Ream bea ae ess < eg 
97. Reinwardtiodendron merrillii ___-_- 1| 
. Sterculia oblongata _-.-----------_-- 1} 
OO, Tartioua SY VAuce Uo ad eee | aI 
Ds Re ree 1} 
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OA posse 559 
In the above plots, A, B, C, and D are on the border of the Antsoptera- 
Strombosia and the Bambusa-Parkia formation ; consequently the vegeta- 
tion partakes of the nature of both. The ones on the low river terraces 
show a strikingly different floristic and ecological composition from those 
on the slopes and more closely resemble the river terrace plot at an 
altitude of 100 meters. (See Table XIII.) Such species as Aphananthe 
Bas 2s philippinensis, Lagerstremia speciosa, Canarium villosum, and Memecy- 
: lon edule are very suggestive of Bambusa-Parkia formation, and indeed 
these areas might be classed with the latter were it not for the absence 
of the bamboo. It is not at all unlikely that the physical factors more 
nearly resemble the Bambusa-Parkia than the Anisoptera-Strombosta 
formation. Only a careful measurement would determine this. 
On the other hand, Plots E and F are nearer the Dipterocarpus-Shorea 
formation and consequently have some resemblance to it, both floristically 
