42 THE TRANSVERSE SECTIONS OP PETIOLES OF EUCALYPTS 



Wood-curve. — Straight and thickened bodj^ with short, sharply incurved 



horns, often in detached parts. 

 Vessels. — Small, and distributed on upper portion of wood, generally absent 

 from horns. 



27. E. gunnii, J. Hooker ; swamp gum or cider Eucalypt. 



Tree. — Usually not tall. 

 Leaves. — Equally dark green on both sides. 



Size of Section. — Ij lines broad by 1 line thick, or 1^ lines broader than thick. 

 Outline of Section. — Oval to round, sometimes flattened on top. 

 Epidermis. — Thickness, ~ — ^ in. 

 Breadth, about ^^ in. 

 Cortical Cavities. — ^ in., round or oval, numbering from 9 to 2. 

 Crystals. — Few. 



Hai'd Bast. — Well developed, nearly continuous, and several layers of cells thick. 

 Wood-curve (see Fig. 37). — Body thickened (thickness sometimes i in.), with 



short and sharply incurved horns directed towards body. 

 Vessels. — Largest, g|g in. 



Average, j^in., or about half the largest. 



Moderately large and numerous, and pretty equally distributed with 

 large ones at lower portion of wood as in globulus. 



Characteristic features : 



Section. — Eelatively large. 



Cortical Cavities. — Large and moderately numerous. 



Hard Bast. — Somewhat dense. 



Wood-curve. — With thickened body and short horns directed towards it. 



Vessels. — Moderately large, numerous, and pretty generally distributed. 



XL — Form Belonging to South Australia, Tasmania, Victoria, New South 



Wales, and Queensland. 



28. E. stiiartiana, F. v. M.; apple-scented Eucalypt. 



Tree. — Moderate-sized. 



Leaves. — Equally dark-green on both sides. 



Size of Section. — About \ line broad by \ line thick, or about IJ times broader 



than thick. 

 Outline of Section. — Oval. 



