236 Key to the System of 



1096. Leaves comparatively narrow. 



Finally rather tall ; bark largely fibrous and persistent ; 

 leaves of rather thin texture, from linear- to narrow- 

 lanceolar, unilaterally curved, shining on both sides, 

 their secondary venules thin, slightly spreading ; oildots 

 copious, transparent ; umbels mostly solitary ; flowers 

 very small ; lid hemispherical ; anthers minute, renate ; 

 fruit very small, generally truncate-ovate, its border 

 depressed or nearly flat ; valves enclosed. One of the 

 " Peppermint-Gumtrees. " E. amygdalina. 



Leaves comparatively broad. 



At last stupendously tall ; bark outside whitish and smooth, 

 except at the stem-base ; leaves of rather thin texture, 

 from elongate- to broad-lanceolar, much unilaterally 

 curved, shining on both sides, their secondary venules 

 slightly spreading ; oildots extremely numerous and 

 pellucid ; umbels mostly solitary ; flowers small ; lid 

 hemispherical; anthers minute, renate ; fruit quite small, 

 generally semiovate, its border depressed or nearly flat ; 

 valves enclosed; leaves of young seedlings opposite, 

 sessile, cordate-roundish, whitish from waxy bloom. 

 " Giant-Gumtree" and "Spurious Blackbutt." 



. regnans. 



1097. Anthers opening by pores ... ... ... ... 1098 



Anthers opening by slits ... ... ... ... 1107 



1098. Anthers truncated, opening terminally 1099 



Anthers rounded-blunt, opening laterally ... ... 1102 



1099. Leaves paler beneath. 



Of tener a small than a large tree ; bark persistent, hard and 

 rough or by outer decortication whitish and smooth 

 outside ; leaves from narrow- to elongate-lanceolar, 

 unilaterally somewhat curved J umbels mostly panicu- 

 lated; Ud thin, almost conical-semiovate; anthers minute, 

 roundish -quadrangular; stigma much dilated ; fruit trun- 

 cate-ovate, its border compressed ; valves enclosed. 

 "Box-Ironbarktree." E. paniculata. 



Leaves equally green on both sides ... ... ... 1100 



