150 



Following is the original description of the species : — 



Eucalyptus operculo hemispha»rico, mutico ; capitulis lateralibus terminalibusque, solitariis ; foliis 

 lineari-lanceolatis. 



Arbor mediocris altitudine, ramulis subteretibus. Folia lineari-lanceolata, utrinque acuta, subpetio- 

 lata, alterna, plurima acuminata, palmaria et amplius, juniora glauca. Flores vix pedicellati, capitulorurn 

 pedunculo communi subtereti. Stylus vix calycem superans ; stigmate obtuso. Capsula subglobosa, inclusa, 

 quadrilocularis. Alias ut supra. 



Habitat. — In capite Van Dieuien. 



Obs. — Haec est fortasse Metrosideros nalicifolia, cujus figuram descriptionemque fructus tantummodo 

 invenies in Oaertn., Sem. I, p. 171, tab. 'M,J!ff. A.— (Labill., Nov. HolL, PL ii, 14, t. 154.) 



The original specimen described by Labillardiere therefore came from 

 Tasmania (see Fig. 1, pi. 29). The following is Don's translation of the species 

 description as given in DC. Prod, iii, 219 : — 



Lid hemispherical, nearly mutic, shorter than the cup ; peduncles axillary and lateral, nearly terete, 

 length of the petioles; umbels 6 — 8 flowered, nearly capitate; leaves linear lanceolate, attenuated at 

 the base, and acuminately mucronate at the apex. Leaves 3 inches long and 3 lines broad ; some unequal 

 at the base, and some equal. Petioles and peduncles, 3 lines long. Fruit globose, size of a grain of 

 pepper. 



The following particulars in regard to the oil of this species, and of allied 

 forms, are quoted from Messrs. Baker and Smith's Research on the Eucahpts : — 



Species. 



Wlience Specific 



collected Gravity at 



for oil. 150° C. 



Specific 

 Rotation 



la] 



D 



Saponifica- 

 tion 

 Number. 



Solubility 



in 

 Alcohol. 



Constituents found. 



amygdalina 



Moss Vale 

 and Monga, 

 N.8.W. 



0-901 2 



to 



0-905 



- 11-37° 



to 



- 13-53 



3-76 

 2-8 to 4-37 



1{- vol. 70% 



to 

 2 vols. 70% 



Eucalyptol, pinene, 

 phellandrene, pep- 

 permint ketone, 

 eudesmol, methyl, 

 ethyl, isobutyl, and 

 amyl alcohols. 



radiata (nun radiata 

 Sieb., but var. iiu- 

 merosa, sp. or var. 

 nov.).* 



Wingello 

 and Monga, 

 N.S.W. 



0-8095 



to 

 0-8747 



- 74-48° 



to 

 -89-4° 



Insoluble 



Phellandrene, 

 pinene, eucalyptol, 

 peppermint ketone. 



vxtrea, a suggested 

 hybrid, amygdalina 

 x coriacea.*! 



Crook well, 

 N.S.W. 



0-886 



- 33-92° 



5-4 



1 vol. 80% 



Phellandrene, euca- 

 lyptol, peppermint 

 ketone. 



" I am responsible for the notes in this column. — J.H. M. 



