132 
sensim attenuatis, calycis exangulati tubo longitudinem opereuli 
fere semiovati mutici circiter dimidio excedente, antheris subovatis, 
fruetibus truncato-ovatis triloculatis, valvis rostratis inclusis, 
seminibus apteris. 
In Australie regionibus depressioribus quam maxime austro- 
oecidentalibus, ubi Blue Gum-tree vocatur. A. Oldfield. 
Arbor altitudinem 100' attinens. Cortex trunci in laminis duris 
3-3" crassis secedens. Lignum pallidum, tenax. Folia pleraque 
2—5' longa, 1-1$^ lata, supra saltem statu recente saturate viridia 
et nitentia, subtus opaca, basi parum inzquilatera, prater venas 
parallele diverzentes venulis anastomosantibus subtilissimis per- 
cursa. Peduneuli unciales v. paulo breviores.  Calyees circiter 
j'longi. Filamenta floris sicci et nondum perfecte evoluti flavida. 
Fructus semuncia paulo breviores, ore haud v. leniter eontraeti, 
Valvz orificium fructus attingentes. Semina sterilia heteromorpha ; 
fertilia oblique rhomboidea, nigro-fusca, circiter 2" longa. 
Eucalyptus pruinosa. 
Schauer, in Walp. Repert. Bot. Syst. ii. 927. (Sect. Rhytiphloie.) 
Arborescens, prwinosa v. albicans, ramulis tetragonis, foliis 
oppositis lato- v. orbiculari-ovatis basi cordata sessili amplex- 
antibus distanter penniveniis glaucis imperforatis, vena peripherica 
indistineta a margine remota, umbellis pauci- v. plurifloris in 
panieulas breves terminales collectis, pedunculis oppositis tereti- 
compressis pedicellos longitudine excedentibus v. iisdem sub:zqui- 
longis, alabastris obovatis apiculatis v. rostrato-acuminatis longi- 
tudine pedicellorum v. longioribus, calycis tubo longitudinem 
opereuli vix excedente, antheris cordato-renatis, fructibus satis 
parvis truncato-ovatis 4—5-loculatis vix angulatis, valvis semi- 
exsertis deltoideis, seminibus apteris. 
Per amplos Australie intratropiez tractus rupestres aridos. 
Arbor mediocris v. parva, peregrinatoribus nomine *Silver- 
leaved Box-tree" nota. Cortex squalido- v. fusco-canus, rugosus, 
rimosus, persistens, Folia longitudine 2—4" variantia, obtusa v. 
paulo acuminata, raro in formam oblongo-ovalem vergentia et bre- 
viter petiolata. Opereulum 13-2" longum. Filamenta longiora vix 
2" excedentia. Fructus latitudine sua nune parum nune duplo ' 
longiores, 25-4" longi. Semina fertilia perpauca, subrotunda, 
curvata, peltata; sterilia conspicue minora, formis clavatis et rhom- 
boideis variantia. 
E. melanophloie (F. M. in Proceed. Linn. Soc. iii. 93) arcte 
1S. 
Eucalyptus setosa. 
Sehauer, in Walp. Repert. Bot. Syst. ii, 926. 
Hamulis teretiusculis simul cum pedunculis pedicellis calyci- 
busque rufo fuscove sctoso-hispidis, foliis oppositis ovato- v. orbi- 
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