102 CLVIII. AROIDEJE. [Aglaonema. 
The type-plant described by Brown was the very local form var. undulatum. 
The leaves of young plants of typical A. angustifolium are almost black. 
(6) A. pictum Kunth. Enum. iii. 55. A. minus Hook. fil. F.B.I. 
vi. 530; Ridl. Mat. iii. 21. 
Stem 6 to 9 in. tall, slender. Leaves oblong-ovate or elliptic 
acuminate, 4 in. long, i in. wide, dark green marbled with grey or 
white or plain green; nerves 3 to 7 pairs; petioles i to 1-5 in. long. 
Peduncles i in. long, dark green. Spathe short and broad, oblong, 
swollen, mucronate, -5 in. long, greenish white. Spadix longer. 
Male part clubbed, oblong obtuse, *5 in. long, white, a few neuters 
below. Female flowers about 10, stipes long, base rather long, 
bent. Drupes -25 in. long, oblong, red. Hob. In damp spots in 
forest; common and variable. Singapore (Wallich); Bukit 
Timah; Jalan Bray; Chan Chu Kang. Johor, Bukit Soga, Batu 
Pahat. Malacca, Merlimau. Negri Sembilan, Bukit Sulu (Cantley). 
Pahang, Pekan. Selangor, Kwala Lumpur. 
var. Scortechinii Ridl. l.c. A. Scortechinii Hook. fil. l.c. Leaves 
ovate round, rather abruptly cuspidate; nerves 7 pairs, petioles *5 
in. long. Hah. Mountain districts, Malacca, Mount Ophir (Derry). 
Muar, Sungei Pauh (Fox). Selangor, Ginting Bidai; Dusun Tua, 
Perak (Scortechini). 
var. nanwn Ridl. l.c. A. nanum Hook. fil. l.c. Leaves longer, 
oblong; nerves more prominent. Hah. Perak, Ulu Bubong 
(Kunstler). Distrib. Burma, Sumatra. Native name: Selimpat 
Ayer. Use. Leaves eaten as a vegetable. 
10 . HOMALOMENA, Schott. 
Stems very short, occasionally stout, rarely over 6 in. long. 
Leaves herbaceous, oblong-lanceolate or cordate, ovate. Spathe 
base or the whole convolute persistent in fruit. Spadix included. 
Male and female portions close together, base often nude, no ap¬ 
pendage, neuters often between the male and female. Stamens in 
hexagonal groups; anther-cells oblong, opening by slits or pores, 
connective, broad. Female flowers, ovaries ovoid or globose, more 
or less 2- to 4-celled; ovules in two rows; stigmas sessile, white. 
Clubbed staminodes subtending each ovary. Berries small, not 
red, few or many-seeded. Species about 30, Indo-Malaya and 
Tropical America. 
§ I. Eu-Homalomena. Large plants. Leaves broad, usually cordate. 
Spathe contracted above the female inflorescence. 
Leaves oblong narrowed to base 
Leaves ovate sagittate .... 
Leaves oblong hastate .... 
Spathe not contracted in the middle. 
Leaves ovate with deep sinus 
Leaves triangular-ovate, sinus shallow 
Leaves deltoid; spathe small, beaked. 
(1) H. rostrata 
(2) H, sagittsefolia 
(3) H. paludosa 
(4) H. coerulescens 
var. pontederisefolia 
(3) H. deltoidea 
