386 
fasciculatorum ; glomeruli circa 2 cm. diametro, ad 10-12 spiculas 
fertiles cum multis sterilibus minoribus et bracteis paleaceis 
ferentes ; spiculae 5-7 mm. longae, glaberimae, basi bracteis 1-3 
parvis suffultae ; glumae vacuae 2-3, ovatae, mucronatae, inferior 
m.. superior 4-5 mm. longae; flores fertiles 2; glumae 
florentes (valvae) ovatae, longe mucronatae, floris inferioris 6 mm. 
longae, superioris 8 mm. longae ; palea floris inferioris bicarinata, 
carinis ciliatis, apice marginata, 5-nervis, floris superioris convoluta, 
glabra, apiculata. Stamina purpurea ; juniora subsessilia, libera, 
vetustiora filamentis in tubum longissimum exsertum coalitis ; 
antherae lineares, apice mucronatae. Ovarium ovato-lanceolatum, 
in stylum gracilem pubescentem attenuatum. Caryopsis ignota. 
Invo-Catna. Burma: Thatone District ; E. of Salwen river, 
Hlaingbwe Forest Reserve and Melaung, J. H. Lace, 4578, 4584. 
LVI._LEPTODERRIS, A NEW GENUS OF 
LEGUMINOSAE. , 
S. T. Dunn. 
distinct and self-contained groups distinguishable from all allied 
ones even in the absence of fruit, should be extricated from these 
