322 159. GRAMINEX. 
Japan, India, Malaya, Australasia. 
The small forms of this species, for example the Takow speci- 
mens from Playfair and Henry, approach J. miliacea, Roth. 
4. Isachne debilis, Rendle, n. sp. 
Herba parva debilis, caule tenui ramosa repente cum nodis 
radicantibus, ramis sub apice florenti ascendentibus. Foliorum 
vaginee quam internodia breviores, compresse, striate, pilose, 
præcipue in nodis marginibusque ; ligula pilosa; lamina membra- 
nacea, lanceolata, acuta, sparse pilosa, venis inconspicuis, 5-9- 
lineas longa, 14-2 lin. lata. Panicula laxe pauciflora ramis 
filiformibus, spiculis ovalibus, $ lin. longis. Glume steriles 
virides, membranacee, ovales, cum marginibus incurvis et apice 
obtuso, 7-nerves, dorso hirsutule, superior quam inferior paullo 
minor; fertiles quam steriles breviores, dense et breviter pilose, 
suborbiculares, valde concave, eum marginibus inflexis paleam 
in dorso pilosam ampleetantibus, nervis inconspicuis, inferior 
florem %, superior paullo minor, florem 9 fovens. 
Formosa: Tamsui (Oldham, 605!). Mus. Brit. ; Herb. Kew. 
Nearly allied to T. miliacea, Roth, but distinguished by the 
two very similar hairy fertile glumes. 
5. Isachne firmula, Buse, in Mig. Pl. Junghuhn. p. 379. 
Isachne rigida, Nees, ex Steud. Syn. Gram. p. 95; Hook. f. Fl, Brit. 
Ind. vii. p. 24. 
Isachne Myosotis, Benth. Fl. ITongk. p. 415, non Nees. 
Panicum Rhignon, Steud. l. c. 
Hoxakoxsa (Wilford! Wright!). Herb. Kew. 
India, Malaya, Australia. 
I think, judging from the description, that Z. firmula, Buse, 
is identical with J. rigida, Nees. 
Var. nudiglumis, Hack. in Bull. Herb. Boiss. vii. (1899) 
p. 721. 
Lucuu Arcuiretaco: Mount Yonahadake (Tashiro, fide 
Hackel). 
Specimen not seen. 
l. Digitaria barbata, Willd. Enum. Hort. Berol. p. 91. 
Panicum barbatum, Kunth, Rév. Gram. i. p. 33; Benth. Fl. Hongk. 
p. 410, 
