DONAX AND SCHUMANN1ANTHUS 243 



though briefly mentioning Actoplanes Ridleyi K. Schum. as a second 

 species. He also speaks with great doubt about the inclusion of 

 Thalia cannmformis Forst., but the type of that is also preserved at 

 the British Museum, so that its position is not uncertain. It may 

 be added that there is a fine original drawing oi Roxburgh's 

 Phrynium dichotomum preserved at Kew, with one of the allied 



P. virgatum Boxb. 



The following is the revised synonymy : 



1. Donax Arundastrum Lour. FJ. Cochinch. p. 11 (1790) (excl. 



syn. Rumph.) ; Gagnep. in Bull. Soc. Bot. Fr. li. p. 177 



(partim). 

 dia ca 



(1800) 



'/< 



Maranta grandis Miq. Fl. Ind. Bat. Suppl. p. 616 (I860). 

 Phrynium dichotomum Koern. in Bull. Soc. Imp. Nat. Mosc. 



xxxv. pt. i. p. 104 (1862) (partim). 

 Clinogyne grandis Benth. et Hook. f. Gen. Plant, iii, p. 651 (1883) 



(excl. syn. Koern.) ; Baker in Hook. f. Fl. Brit. Ind. vi. 



p. 258 (partim). 

 Donax grandis Ridl. in Journ. As. Soc. Straits, xxxii. p. 17G 



(1899) (excl. exempl. Born.). 

 Actoplanes Ridleyi K. Schum. in Engl. Pflanzenreich, Marant. 



p. 35 (1902) (excl. exempl. Born.). 

 A. canniformis K. Schum. 1. c. p. 34 (partim). 



2. D. canniformis Rolfe, comb. nov. 



Thalia canniformis Forst. f. Prodr. p. 1 (1786) ; Willd. Sp. PI. 



i. p. 16 (1797). 

 llythuria cannaformis Raf. Fl. Tellur. iv. p. 51 (1836). 



Maranta Touch d Willd. Sp. PI. i. p. 13 (1797) partim (non 



Aubl.); Blume, Enum. PI. Jav. p. 36 (1827). 

 M. arundinacea Blanco, Fl. Filip. ed. 1, p. 7 (1837) (non Linn.); 



ed. 2, p. 5 ; ed. 8, i. p. 9, t. 5. 

 Phrynium canniforme Koern. in Regel Gartenfl. vii. p. 85 



(1858). 

 P. dichotomum Koern. in Bull. Soc. Imp. Nat. Mosc. xxxv. 



pt. L p. 104 (1862) (partim). 

 Maranta dichotoma Naves in Blanco, Fl. Filip. ed. 3, Nov. Appx. 



p. 228 (1880) (non Wall.). 

 M. grandis Naves, /. c. (non Miq.). 

 M. ramosissima Naves, I. c. (non Wall.). 

 Clinogyne grandis Vidal, Phan. Cuming. Philipp. pp. 4, 152 



(1885) (non Benth. et Hook, f.); Vidal, PI. Vase. Filip. 



pp. 275, 399 (1886) ; K. Schum. et Lauterb. Fl. Deutsche 



Schutzg. Sudsee, p. 236. 

 Actoplanes canniformis K. Schum. in Engl. Pflanzenreich, Marant. 



p. 34 (1902) (partim). 

 Arundastrum vel Tonchat Seytan. Rumph. Herb. Amb. iv. p. 22, 



t. 7 (1750). 



Both the species appear to be common and widely diffused in 

 their respective areas, and observation in the field may throw 

 further light upon their geographic limit?. At present, however, 



