208 
Micraira. 
. Gluma biflora, bivalvis; valve membranes, fere squales, 
eymbeo-ovatz, acuts.  Flosculi ambi bisexuales, fere equales, 
sessiles, mutici, glumam zquantes.  Glumelle truncatze; exterior 
interiorem :zquans, Antherz lineares. Styli 2, supra medium 
stigmatose barbati, Caryopsis libera. 
Gramen glabrum, repens, foliis brevi-vaginatis setaceo- v. subu- 
lato-linearibus confertissimis brevibus, ligula ciliata brevissima, 
panicula perparva simplice, flosculis minutis. 
Genus habitu singulare, notis e structura florum derivandis hine 
: Airze et Coelachng, inde Meliez et Phalaridio affine. 
Micraira subulifolia. 
Coelachne subulifolia, F. M. coll. 
In summitaiibus montium lapidosis; e.g. in monte domitico 
Biron dieto, Leichhardt; Glasshouse Mountains, Hill & Mueller ; 
Rockingham's Bay-Ranges, Dallachy. 
Caules ramosi, tam brevem czspitem formantes quam super 
humum effusi, radicantes. Vagins scariosz, tantum 13-2" longz. 
Folia 3-7" longa, inferne 1-1" lata, scabrida, leniter canaliculata, 
rigidula. Pedunculus bipollicaris v. brevior, setaceus, inferne 
vaginatus.  Panicula polliee sepe brevior, ramis capillaribus. 
Glumz semilineam paulo excedentes, cum glumellis glabre.  Ca- 
ryopsides vix 3" longz, ovatz, acutatee. 
Xerochloa imberbis crescit ad flumen Victoris et rivum Sturt's 
Creek, ubi etiam Eetrosia leporina et Triraphis pungens occurrunt. 
Elytrophorus articulatus et Triraphis mollis vergunt a fluminibus 
Murray's et Darling's River usque in terram Arnhemicam. 
Fasciculus XL. scriptus fine Decembris: 1866. 
