BY CUTHBKRT HAM.. 513 



E. squamosa Deane & Maiden(Pl. xlix., fig. 5; PI. l.,fig.l ; 

 PI. Ixix., figs. 25, C, D). — Cotyledons Y-shaped, more deeply 

 bifid than in any species yet examined, limbs contracting at 

 junction, obtuse, 0-6 to 0-7 cm. long, petiole 0-5 to 0-6 cm. 

 long. Leaves opposite but soon alternate, entire, glabrous, 

 linear then lanceolate or ovate-lanceolate, acute then sub- 

 acute, and ending in an apical point, petiolate, glaucous. 

 Stem terete, glabrous, slightly glaucous. First pr. leaves 1-8 

 X 0-2, petiole 0-3 ; second 1-8 x 0-3, petiole 0-4 ; third 2-6 x 0-5, 

 petiole 04; fourth 2-6 x 0-8, petiole 0-6; fifth 3x1-2, petiole 

 0-6 cm., alternate. First internode 1*4, second 1-2, third 1-2, 

 fourth 1 cm. 



The slight glaucousness of stem and leaves is worthy of 

 note. 



The relation of the groups of the seedlings to the morphology, 

 chemistry, and geographical distribution of the various species, 

 we are now in a position to touch on. I have shown that the 

 coi^ymhosa-gYon^ is characterised by seedlings with reniform coty- 

 ledons, and characteristic primary leaves; but, from the researches 

 of Messrs. Baker &l Smith, we know that the mature leaves have 

 the lateral veins transverse to the midrib, and closely set and 

 parallel to one another, and that they yield a pinene oil without 

 eucalyptol, points they share in common with the Angophoras. 

 We also know that the cells of the anthers are parallel and open 

 by longitudinal slits, the flowers corymbose, fruits urceolate and 

 valves deeply enclosed, and that they grow in the warmer, moister, 

 coastal parts of Eastern and Northern Australia, only E. calo- 

 phylla and E. ficifolia having penetrated to South- Western Aus- 

 tralia. It will probably be found that the other species closely 

 allied to E. corymbosa, such as E. Abergiana, E. clavigera, E. 

 dichromophloia, E. ferruginea, E. Foelscheana, E miniata, E. 

 peltata, E. phoenicea, E pyrophora, E. ptychocarpa, E. setosa, E. 

 terminalis^ and E. Watso7iiana will yield seedlings of the same 

 type. 



Although the Stringybark-group exhibits such uniformity of 

 resemblance in the seedlings, and also in its other morphological 



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