372 ENCTMEEATION OF [GramineiB. 



50. GYMNOPOGON, Beauv. 



1. G. rigidus, Thw. ; cnlmis erectis, glabris ; ^oK/^ linearibus, acu- 

 minatls, glaLris, laterlbus in^quilatis, ligula brevi ciliata ; panieula 

 elongata, scabra ; spieiiUs majusctdis, brevi-pedicellatis, parum distan- 



tibus ; glumis acutis, triuerviis ; inferiore parum breviore, superiore 



aliquando aristata ; Jloribus longe aristatis, hermaphrodito cylindrico 

 glumis duplo longiore, sterili minutissimo — c.p. 914. 

 Hab. Hot drier parts of the island. 



Ctclmi 2-3-pedale9, Folia pedalia, 2-3 lin. lata. Flos hermapJiroditus semi- 

 poUicaris, arista sequilonga vel idtra. 



51. AVENA, Linn. 



1. A, aspera, Munro, mss. — c.p. 916. 



Hab. Newera Ellia and otlier of the more elevated parts of the 

 island. 



Culmus erectus, 2-3-pe(lalis, nodis pilosulis. Folia longmscule pilosula vcl glabra, 

 ligula truncata laccrato-ciliata. Fanicuta parcc ramosa, aperta. Spicules 4-fiorse, 

 6 lin. longse, floribus parum distantibus. Glnma inferior 3-nervia, 2 lin. longa, 

 apice brevi-setacea, superior i\ lin. longa, acuta, 5-nervia. Palca hiferior scabrius- 

 cula, 4 lin. longa, dimidio inferiore 9-nervia, a medio longe aristata fissaque, laciuiis 

 S-ncrviis acutis. Palea superior brevier, dorso ad carinas ciliata. 



52. MEGALACHNE, Steud- 



1. M. Zeylanica^ Thw. ; culmis gracilibus, crectis, glabris, rigldis. 



gustis 

 trinerviis. marp-imi-m in\-nlnfii^ri^ -^ttIi 



brevissima ciliata; panicula pauciflora; spiculis bifloris, rudimento 

 nullo, flore superiore subsessili ; glumis ^labris, lanceolatis, apice brevi- 

 aristatis; palea inferiore pilosa, longe aristata, superiore laciuiis oequa- 

 liter longe aristatis. — c.p. 3247. 



Hab. Cinnamon Gardens, Colombo, 



Culmi li-2-pedales, Panicula 2-4 poll, longa, purpurasceus. G^/^^//?^ 4 lin. 

 longae. Palea 3 lin. longse, aristis 4-5 liu. longig. Squamnl^ oblongce, trmicatse, 

 emarginatse, ovario brevistipitato sequilonga. Slamijia 2. Sii/lus fere ad basin 

 bifidas, stigmatibus plumosia. 



53. TJRALEPIS, Nutt. 



1. 17. fusca, Steud. Synops. Gram. p. 24H .—Tridens Indicus, N. ab 



Es. mss. — c.p. 934. 



Hab. Elephant Pass, Gardner, 



Folia, cum rachi, scabriuscula. 



54. POA, Linn. 



1. F- annna, Linn. (Kth. Enum.i. p. 349, cum syn.)— c.p. 2393. 

 Hab. Common on roadsides in the neighbourhood of NeNVcra EUia, 

 possibly introduced. 



