84 



S. Kurz — Contributions toivards a [No.%, 



Leaves very shortly petioled, 1 -nerved, linear ; flowers solitary, sessile ; pygmaean an- 

 nual, .- -A. dentelloides. 



Leaves usually sessile, strongly penninerved, obovate to oblong ; flowers sessile, form- 

 ing lateral and terminal leafy or bracted spikes, A. peploides. 



Leaves sessile, almost orbicular, penninerved ; flowers shortly and slenderly pedicelled, 



forming shorter or longer slender racemes, A. suhrotunda. 



Leaves sessile, orbicular or nearly so, penninerved ; flowers sessile, in terminal pedun- 



cled bracted simple or compound spikes, A. rotundifolia. 



X X Calyx hemispherical, about as deep as wide ; capsule protrud- 

 ed from, or at least as long as, the calyx-tube. 

 Leaves linear, 1-nerved, very shortly petioled ; calyx 4-angular, 4-toothed, about | — -J 



lin. long ; petals none ; pygmaean herb, A. jpygmcea. 



Leaves oblong to linear-oblong, 1-nerved, very shortly petioled ; calyx short, 4-toothed, 

 about \ lin. long ; flowers very shortly pedicelled ; pygmaean herb, 



.. A. simpUciuscula. 

 Leaves oblong to linear, sessile, 1-nerved, or the lateral nerves very faint ; calyx usual- 

 ly 5-toothed, \ — 1 lin. long ; petals 5, A, pentandra. 



Suhg. 2. Ammannia, L. Flowers pedicelled or rarely sessile, axillary, 

 clustered or in cymes, the latter sometimes reduced to 1 or a few flowers 

 only. Capsule irregularly bursting. 



X Leaves narrowed at the base, petioled or sessile. 

 Flowers minute, apetalous, on slender pedicels, forming sessile or very shortly pedun- 



cled cymes or clusters, A. baccifera. 



X X Leaves sessile, with a cordate, sagittate or dilated base. Petals 

 present. 

 Capsule under aline long ; stamens 4, or fewer ; petals not crumpled ; calyx 4-toothed, 



without accessory teeth ; cymes slender, A. mulUflora. 



Capsule about \\ lin. long ; stamens 6 — 8 ; petals not crumpled ; calyx 4-toothed with- 

 out accessory teeth ; cjTnes slender, A. auriculata. 



Capsule about 2 lin. long ; stamens 8 ; petals large, crumpled ; calyx 4-toothed with 

 as many horn-shaped accessory teeth ; cymes and pedicels short, stout, A. octandra. 



1. A. Wallichii, {Tlydrolytlirum Wallichii, Hi. in Bth. and Hf. 

 Gen. PI. I. 777, and in Hook. Icon. pi. t. 1007). 



Hab. Tenasserim, Tavoy (Gomez). 



2. A. DENTELLOIDES, Kurz in Journ. As. Soc. Beng. 1870. 76. 

 Hab. Not unfrequent in wet pastures and rice-fields of Arracan. — 



Fl. Fr. Sept., Octob. 



3. A. PEPLOIDES, Spreng. Syst. Veg. I. 4M (1825). (Peplis Indi- 

 ca, Willd. Sp. pi. II/l. 244 ; Poir. in Lamk. Enc. V. 162 ; A. repens, 

 Rottl. ex Mart, in Acad. Muench. VI. 150 ; DC. Prod. III. 80 ; Ameletia 

 Indica, DC. in Mem. Soc, Genev. III/2. 82. t. 3. f. A. and Prod. III. 76 ; 

 WA. Prod. I. 303 ; Wight Icon. t. 257. A. ; Bl. Mus. Lugd. Bat. II. 135 ; 

 Ameletia elongata, Bl. 1. c. ; Ameletia acutidens, Miq. Fl. Ind. Bat. 1/1. 

 G17 ; A. nana, Roxb. Fl. Ind. I. 427, non DC). 



Hab. Common in wet pastures and fallow rice-fields, along river- 



