492 CLXVI. AROIDE.E. (J. D. Hooker.) 



SERIES C. Flowers hermaphrodite. Perianth of 4-6 segments. 

 Tribe VI. OB.ONTIE.E. Spadix without an appendage. 



* Spadix flowering downward ; ovary I-celled. 



Prickly rigid herbs ; spathe many times longer than the 



sessile spadix 27. LASIA. 



Prickly rigid herb ; spadix stipitate 28. PODOLASIA. 



Prickly rigid herbs ; spathes twice as long as the 



spadix 29. CYRTOSPERMA. 



Unarmed herbs ; leaves membraneous, pinnate ... 30. Atf APHYLLUM. 



** Spadix flowering upwards ; ovary 1-3-celled. 



Stem scandent ; leaves distichous 31. POTHOS. 



Stemless \ leaves ensiform ; spathe 32. ACORUS. 



1. CRYPTOCORVNE, Fisrli. 



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. cytindric ; anthers 2-celled, cells with conical 

 perforate tips, pollen vermiform ; fern. infl. a single whorl of connate 1-celled 

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

 erect, orthotropous. 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 C. 

 Griffithii). 



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

 or -lanceolate, limb of spathe oblong densely fimbriate. Eunth Enum. 

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

 Wight Ic. t. 775 ; Wall. Cat. 8914 ; Griff, in Trans. Linn. Soc. xx. t. 10-12 ; 

 Blume Rumph. i. 86 ; .Engler Arac. 624, and in Beccari Males, i. 297 ; 

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

 Ic. PL Asiat. t. 170,171 (alata). C. drymorhiza, %ipp. in Miq. Ann. Mus. 

 Bot. i. 122. Ambrosinia ciliata, Roxb. Cor. PI. iii. 90, t. 294 ; Fl. Ind. iii. 

 491. 



BENGAL, in ponds, &c. (in salt marshes, Kurz). MALACCA, Griffith. DISTRIB. 

 Malay Islds. 



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

 Scape very short. Tube of spalhe 4r-10 in. ; limb 2-3 in., oblong, cuspidate, firnbriae 

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

 Ifrmbryo polyphyllous, germinating in the fruit. Javan specimens have leaves 14 by 

 3 in. 



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

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



liinb of spathe linear-lanceolate strongly twisted glabrous. 



25 ' C ' s P iralis > Thw - Enum. 334. 

 JTLON, Walker. 



2-3 in., acute, thin ; petiole 6 in., very slender. Scape very short. 

 vvathe 2 in. j limb 1| in. Ovarie 4-5. 



