508 EVOLUTION OP THE EUCALYPTS, 



3-6 X 1-2, petiole 0-6; fourth 54x1-5, petiole 0-5 cm. First 

 internode 1, second 0-8, third 1-3, fourth 1-2 cm. 



E. corynocalyx r.v.M.(Pl.xlv., fig.2 ; PI. Ixix., fig. 17). — 

 Cotyledons deeply bifid, the lobes diverging at an angle of 

 about 110°, and obtuse, lamina 0-8 broad, petiole 0-5 cm., 

 gradually merging into lamina. Leaves opposite but soon 

 alternate, glabrous, pale on underside, ovate to orbicular, 

 obtuse, sometimes emarginate at apex, petiolate, -venation 

 very oblique. First pr. 1 x 0-5, petiole 0-6 ; second 1-8 x 0-9, 

 petiole 0-9; third 1-5 x 1-2, petiole 0-6 cm. Stem terete, glab- 

 rous. 



E. eliEOfhora F.v.M.(Pl. liii., fig.l; PL Ixix., figs. 18 and 

 D) — Cotyledons moderately emarginate, lobes obtuse, asym- 

 metrical, base cordate, lamina 0-75 x 0-3, petiole 0-3 cm. 

 Leaves opposite, entire, glabrous, subsessile then sessile, lan- 

 ceolate then ovate-lanceolate, obtuse, glaucous. First pr. 1-5 

 x 045, petiole 0-18; second 24x1, subsessile: third 2-7 x 1-2 

 cm. First internode 1-2, second 1-8, third 2-5, fourth 2-5 cm. 

 Stem terete, glabrous. 



E. gonlocahjx F.v.M. (PI. xlvi., fig. 6). — Cotyledons re- 

 semble those of E . elcEophora, but are smaller, and the lobes 

 generally more symmetrical, laminae 0-5 x 0-25, petiole 0-2 cm. 

 Leaves opposite, entire, glabrous, glaucous, lanceolate and 

 subsessile, then sessile, cordate at base, stem-clasping, obtuse 

 or subacute. First pr. 0-9 x 0-25, second 1-8 x 0-6, fourth 3 x 

 0-9 cm. First internode 0-8, second 1-8, third 1-8 cm. Stem 

 terete at base, then quadrangular, glaucous. 



This species and E. eheopkora are much alike, and have 

 been confused, but, in the seedling, the cotyledons of E. gonio- 

 cahjx are smaller, and the leaves are darker when dry, and are 

 longer and more lanceolate, cordate, with rounded auricles 

 and stem-clasping. 



E. Bndgesiann P. T. Baker(Pl. xlvi., fig. 5). — Cotyledons 

 as in E. goniocalyx, but lobes often unsymmetrical. Leaves 

 entire, opposite, glabrous, glaucous, lanceolate then ovate- 

 lanceolate, obtuse, subsessile or sessile. First pr. 1-1 x 045, 



