492 CLXVi. AEOiDK^. (J. D. Hooker.) 



Series C. Wlowers hermaphrodite. Perianth of 4-6 segments. 

 Tribe VI. Oeontie^. Spadwi without an appendage. 



* Spadix flowering downward, ; ovary 1-celled. 



Prickly rigid herbs ; spathe many times longer than the 



sessile spadix 27. Lasia. 



Frickly rigid herb ; spadix stipitate 28. Fosolasia. 



Prickly rigid herbs ; spathes twice as long as the 



spadix 29. Ctetospebma. 



Unarmed herbs ; leaves membraneous, pinnate . . . 30. Akafhtllum. 



** Spadix flowering uptoa/rds ; ovary X-Z-celled. 



Stem scandent ; leaves distichous 31. Pothos. 



Stemless ; leaves eusiform ; spathe 32. AcoBus. 



1. CRVPTOCORVNX:, FiscJi. 



Aquatic or marsh herbs, with creeping rootstock and short stem or 0. 

 leaves broad or narrow. Tube of spathe with connate margins and a 

 transverse septum within. Spadix very slender, its tip adnate to the sep- 

 tum of spathe; male infl. cylindric; anthers 2-celled, cells with conical 

 perforate tips, pollen vermiform ; fem. infl. a single whorl of connate 1-ceIled 

 many-ovnled ovaries with a few neuters ; styles short, recurved ; ovules 

 erect, orthotropons. Fruit of coriaceous connate 2-valved many-seeded 

 carpels. Seeds oblong, albuminous ; embryo axile. — Species about 25, 

 tropical Asiatic. 



* Tube of spathe narrow, longer than the limb (or as long in G. 



Griffithii). 



1. C- ciliata, Fisch. ex Schott Melet. 16 ; leaves linear-oblong 

 or -lanceolate, limb of spathe oblons densely fimbriate. Kunth Fnum. 

 iii. 12 ; Schott Aroid. 7 ; Si/n. 2 ; Prodr. 15 ; in Bonpland. (1857), 222 ; 

 Wight Ic. t. 776 ; Wall. Cat. 8914; Griff, in Trans. Linn. Soc. 3cx. t. 10-12 ; 

 Plume Rumph. i. 86 ; Engler Arao. 624, and in Beccari Males, i. 297 ; 

 N. E. Br. in Journ. Linn. Soc. xviii. 245. 0. elata, Griff. Notul. iii. 134 ; 

 Ic. PI. Asiat. t. 170, 171 (alata). 0. drymorhiza, Zipp. in Miq. Ann. Mus. 

 Bot. i. 122. Ambroainia oiliata, Boxb. Cor. PL iii. 90, t. 294 ; Fl. Ind. iii. 

 491. 



Bengal, in ponds, &c. (in salt marshes, Kum). Malacca, 0-riffith.' — Distbib. 

 Malay Islds. 



Tuberous, stoloniferous. Leaves 6-16 in., lower half sheathing, midrib stout. 

 Scape very short. Fube of spathe 4-10 in. ; limb 2-3 in., oblong, cuspidate, fimbriae 

 purple. Ovaries 5-7. Fruit long-peduncled, globose, 1 in. diam. ; cells 6-8-seeded. 

 Mmlbryo polypbyllous, germinating in the fruit. — Javan specimens have leaves 14 by 

 3iin. 



2. C Walkerl, Schott in Bonpland. (1857) 221; Prodr. Aroid. 

 15 ; leaves long-petioled oblong or oblong-lanceolate base cuneate or 

 rounded, limb of spathe" linear-lanceolate strongly twisted glabrous. 

 Engler Arac. 625, 0. spiralis, Thw. Enum. 334. 



Cetlon, Walker. 



Leaves 2-3 in., acute, thjn ; petiole 6 jn., very slender. Scape very short. 

 Tube of spathe 2 in. ; limb 1^ in. Ovaries 4-5. 



