NOTES ON EUCALYPTUS. 309 



NOTES ON EUCALYPTUS (WITH DESCRIPTIONS 



OP NEW SPECIES) No. IV. 



By J. H. Maiden, f.l.s. 



[Read before the Royal Society of N. 8. Wales, November 3, 1915.'] 



The proposed new species are : — 



1. E. Dundasi, 



2. E. Sheathiana, 



3. E. Websteriana, 



4. E. Flocktonice, 



5. E. conftuens (W.V.P.) Maiden, 



6. E. Houseana (W.V.F.) Maiden. 



1. E. Dundasi, n. sp. 



Arbor silvas formans, "Blackbutt" vocata. Foliis pedunculatis, 

 angusto-lanceolatis, acuminatis, plerumque apice falcata, niten- 

 tibus, coriaceis, venis obscuris. Petioliis 1-1*5 cm. longis, foliis 

 8-9 cm.., minus 1 cm. latis. Alabastris perfecte apertis non 

 visis, sessilibis vel pedicello brevissimo, petiolo communi paullo 

 piano et circa 1 cm. longo. Cupula circa *5 cm. longa, gracile, 

 in apicem angustata. Operculo acuminato, conico et dimidio 

 cupulse sequilongo. Antheris paralleliter aperientibus, dorso 

 glandula magna juxta apicem. Fructibus cylindroideis, medio 

 paullo constrictis, *7 cm. longis et circa "4 cm. latis orificio. Val 

 varum apicibus non super orificium. 



This is a tree of which Dr. L. Diels gave me a few leaves, 

 buds and fruits (all entirely glabrous) in the year 1901, 

 together with the following particulars. It is his No. 5454, 

 and is "a tall tree forming forests," in the neighbourhood 

 of Dundas, W.A., where it goes under the name of "Black- 

 butt." 



I may say that the name of "Blackbutt" is, in Western 

 Australia, usually applied to E. patens, Benth. of the well- 



