275 173 
9. H. truncata (Schott) Hook. f. Fl. Brit. Ind. VI, 535. 
Jungle near Klong Munsé, on wet rocks near a waterfall; also a very com- 
mon terrestrial jungle-herb. 
Area: Malacea, Borneo. 
Aglaonema Schott. 
10. A. siamense Engl. n. sp. 
Caudiculo alto superne dense foliato; foliorum petiolo laminae 
subaequilongo subterete, superne antice leviter canaliculato, ultra 
medium late vaginato, lamina crassiuscula, ovato-oblonga, basi ob- 
tusa vel leviter cordata, acuminata, costa semiterete et nervis late- 
ralibus I arcuatim adscendentibus subtus prominentibus, nervis 
lateralibus I supra insculptis; pedunculis 2—3 petioli circ. 1/3 aequan- 
tibus; spatha ovata; spadicis stipite inflorescentiae femineae sub- 
aequilongo, baccis ovoideis leviter compressis. 
Caudiculus usque 4 dm. longus inferne 2 cm. crassus. Foliorum 
superiorum petiolus vagina 8—10cm. longa utrinque 3—5 mm. lata 
instructus, circ. 1,5 dm. longus, superne 4 mm. erassus, lamina 2— 
2,5 dm. longa, 2,6 cm. lata. Spadix stipite 5—7 mm. longo suffultus, 
inflorescentia feminea 7 mm. longa et crassa, mascula deficiens. 
Baccae 8 mm. longae, 6 mm. crassae. 
Haec species Aglaonemati marantifolio affinis est, at differt follis 
majoribus, latioribus, basi leviter cordatis. 
Jungle near Lem Dan, terrestrial. 
11. A. tenuipes Engl. n. sp. 
Caudiculo tenui; foliis approximatis; petiolo tenui quam lamina 
breviore, vix ad tertiam partem usque vaginato, lamina membranacea, 
oblique lanceolata, inaequilatera, basi subacuta, apice leviter curvato 
acuminato acuto, nervis lateralibus I utrinqgue 4—5 leviter arcuatis 
adscendentibus; cataphyllis pedunculum brevem et spatham invol- 
ventibus; spatha oblonga acuminata, spadicis stipite quam inflores- 
centia feminea pauciflora longiore; ovariis breviter ovoideis, stigmate 
crasso discoideo coronatis; inflorescentia mascula cylindrica subobtusa. 
Caudiculi internodia cire.5mm. longa. Foliorum petiolus circ. 
1 dm. longus, ad 3—4 cm. longitudinis vaginatus, Jamina circ. 1,7 
—1,8dm. longa, 5—6 cm. lata. Cataphylla 2—4 cm. longa. Pedun- 
culus 2,5 cm. longus. Spatha circ. 18 cm. longa, convoluta 8 mm. 
lata. Spadicis stipes 3 mm. longus, inflorescentia feminea 2 mm., 
mascula 7mm. longa, 3 mm. crassa. 
Species habitu paullum ad Aglaonema simplex accedit sed differt petiolis 
tenuioribus et longioribus, brevius vaginatis, deinde inflorescentia parva. 
Jungle near Lem Dan, terrestrial. 
Alocasia Schott. 
12. A. indica (Roxb.) Schott in Oest. Bot. Wochenbl]. 1854, p. 410; 
Engl. in D.C. Suites au Prodr. II, 501. 
