— 35 — 



The fourth group is formed by the oils containing aromadendral, 

 free from phellandrene ( n Di6° above 1,48) of E. albens, E. hemiphloia, 

 E. marginata, E. punctata var. didyma, E\ rostrata, E. salubris, E. tereti- 

 cornis, E. viridis, E. Woollsiana. 



Oils of the fifth group containing phellandrene and piperitone 

 ( D D16° above 1,48, frequently above 1,49) are those of E. coriacea, 

 E. delegatensis , E. dives, E. fraxinoides, E. Luehmanniana, E. obliqua, 

 E. oreades, E. piperita, E. radiata, E. Sieberiana, E. vitrea. 



In the sixth group the oils containing phellandrene and sesqui- 

 terpene are given, whose refractive index lies above 1,48, and in some 

 cases above 1,50. Here we find E. acmenoides, E. angophoroides , E. capi- 

 tellata, E. crebra, E. Dawsoni, E. fastigata, E. Eletcheri, E. gomphocephala, 

 E. haemastoma, E. macrorrhyncha, E. melanophloia, E. microtheca, E. nigra, 

 E. ovalifolia, E. Planchoniana, E. pilularis, E. robusta, E. siderophloia , 

 E. sideroxylon v. pallens, E. stellulata, E. viminalis, E. virgata. 



The last, seventh group, includes the other not classified oils, which 

 contain geraniol, geranyl acetate, citral, citronellal, etc. To this belong 

 the oils of E. citriodora, E. Macarthuri, E. Staigeriana, and E. aggregata. 



Of the excellent work "A critical revision of the genus Eucalyptus" 

 by J. H. Maiden, to which we have already repeatedly referred in 

 our Reports 1 ), we have now before us the seventh part 2 ), to which 

 are appended four plates with illustrations. This part contains a detailed 

 discussion of the following species: — 



1. Eucalyptus regnans F. v. M. [Syn. : E. amygdalina Labill. var. 

 regnans F. v. M., E. amygdalina Labill. var. colossea F. v. M., E. inophloia 

 F. v. M., E. fastigata Deane et Maiden]. 



2. Eucalyptus vitellina Naudin and E. vitrea R. T. Baker. 



3. Eucalyptus dives Schauer [Syn.: E. amygdalina Labill. var. dives 

 F. v. M., E. amygdalina Labill. var. latifolia Deane et Maiden]. 



4. Eucalyptus Andrewsi Maiden [Syn.: Sieberiana F. v. M. var. 

 Oxleyensis Deane et Maiden]. 



5. Eucalyptus diversifolia Bonpland [Syn.: E. santalifolia F. v. M., 



E. dumosa Benth. non A. Cunn., E. cneorifolia D. C. (partim) (?), E. co?i- 

 nata Dum.-Cours., E. santalifolia F. v. M. var. firma Miq., E. firma 



F. v. M. herb, ex Miq., E. cuspidata Tausch, E. viminalis Labill. var. 

 diversifolia Benth., E. pachyloma Benth.]. 



Oil of European Pennyroyal. There is at this moment a 

 scarcity of this oil, as failure of the harvest has taken place both in 



*) Report October 1903, 38, October 1904, 39, April 1905, 37, and Oc- 

 tober 1905, 33. 



2 ) Sydney 1905. 



