"GRAMINA NOVA HOLLANDIA. 409 
Gramina Novæ HorLANDL.E, presertim IwsuLE Van 
DiEMEN, collectionis Lindleyane, a v. cl. Drummond, 
Gunn, aliisque collecta. Scripsit C. G. Ners As Esen- 
BECK. 
Tetrarrhena Zenacissima N. ab E.: floribus glabris, valvulis 
nervosis obtusis, extima duplo breviore, foliis planis patenti- 
bus culmoque ramoso diffuso scaberrimis. 
Van Diemen’s Land, d. 30. Dec. 1837. Gunn. n. 987. %. 
Similis Tetrarrhene distichophylle, sed differt abunde foliis 
latioribus, nec pilosis sed cum vaginis culmoque setulis bre- 
vibus crassis, in culmo vaginisque reversis scaberrimis. Cul- 
mus est longus, ramosus, flagellaris, angulosus, inferne longo 
tractu nudus. 
Tetrarrhena Drummondiana N. ab E.: floribus glabris, 
valvulis nervosis obtusis, extima paulo (i) breviore, foliis 
planis subtus culmoque erecto ramoso rigidulo scaberrimis, 
vaginis basi levibus. 
Ad flumen Cygnorum. 21. 1839, Drummond. 
Differt a Tetrarrhena distichophylla et tenacissima valvula 
sterili inferiori maiori, vix & breviori, tum culmo erecto, foliis 
culmo adpressis tripollicaribus 13-2 lin. latis acuminatis quin- 
quenervibus, margine subtusque scaberrimis, supra tenuis- 
sime holosericeo-mollibus, superioribus racemo longioribus. 
—Culmus in medio ramo uno alterove erecto, subinde šim- 
plicissimus, sesquipedalis, infra nodos scaberrimus. Vagine 
apicem versus scabriuscule. Glume ovate, acute, flosculis 
duplo breviores, glabra. 
Microlena stipoides R. Br. Gunn n. 997. Fl. Cygn. Drum- 
mond. Huius loci Mühlenbergia simplex Kunth. Podoscmi 
spec.? N. ab E. in Sieb. Agrostoth. n. 94. 
Hierochloe australis. R. Br. Van Diemen's Land. Gunn 26. 
Dec. 1837. n. 337. 
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