OF THE EUCALYPTI OF TROPICAL AUSTRALIA. 99 
costulato, margine elevato, capsule 4-5-loculatæ vertice convexo, 
valvis subexsertis, seminibus fertilibus angusto-alatis subleevibus. 
Hab. In eremo arenoso ad Hooker's Creek. Auth. autumno. 
Frutex orgyalis v. paulo altior. Folia pleraque 11-21" longa in speci- 
minibus siccis opaca. Flores ineogniti. Fructus diametro 6-8", mar- 
gine demum supra valvas producto. Semina fertili alis additis 
circiter 11'" longa. 
E. alpine propinqua. 
Tentamen dispositionis Eucalyptorum Australie intratropice et 
subtropice, secundum corticis structuram, testuram, et ipare- 
tionem, usui Colonorum accommodatum. 
I. Lzrorutorz. Cortex post delapsum strati supremi undique 
levis.. (Vulgo: Flooded Gum-trees, White Gum-trees, Blue 
Gum-trees partim, Red Gum-trees partim, Yarra-trees.) 
П. HewiPHLOrX. Cortex in trunci parte inferiore persistens 
rugosus et rimosus, in parte superiore ramisque delapsu strati 
superioris levigatus. (Vulgo: Moreton Bay Ash, Black-butted 
Gum-tree, Box-trees partim.) 
III. RuvrreHrorx. Cortex ubique persistens rugosus et ri- 
mosus intus solidus. (Vulgo: Bloodwood-trees, Box-trees 
partim, Peppermint-trees partim.) 
IV. Pacuyeunorz. Cortex ubique persistens rugosus intus fi- 
brosus. (Vulgo: Stringy-bark-trees.) 
V. SemizoPHLorx. Cortex ubique persistens profunde sulcatus 
intus solidus. (Vulgo: Ironbark-trees.) | 
VI. LxrrrpoPHLorx. Cortex saltem in trunco persistens lamel- 
laris friabilis. (Vulgo: Melaleuca Gum-trees, Mica-trees.) 
I. LEIOPHLOIZ. 
§ 1. Folia alterna subfalcata concoloria. 
1. E. tereticornis, Sm. (1.) Operculum elongatum conico-subulatum 
curvatum. Valve alte exserte. 
2. E. rostrata, Schlecht. (2.) Operculum subulato-acuminatum rectum. 
Valvz alte exserte. 
3. E. signata. (6.) Operculum hemisphericum. Valve vix exsertæ. 
Fructus semiglobosi. 
4. E. variegata. (13.) 
Fructus semiovati. 
——H ane 
