DIRECTION OF LEAVES. 437 



1. Adverse; when their sides are not turned towards heaven 

 but towards the south, as in Amomum. 



2. Oblique ; when the base of the leaf looks towards heaven, 

 and the apex or tip towards the horizon, as in Protea and Fri- 



TILLARIA. 



3. Inflex, bending inwards; when the leaf is bowed upwards 

 towards the stem. 



4. Adprest; when the disk of the leaf lies close to the stem„ 



5. Erect, upright; when the angle they form with the stem 

 is extremely small. 



6* Patent, spreading; when they make an acute angle with 

 the stem. 



7. Horizontal ; when they stand at right angles with the stem. 



8. Reclined, or, as some term it, Reflex ; when they are 

 bowed downwards, so that the apex or tip is lower than the base* 



9. Revolute, rolled back; when they are rolled downwards, 



10. Dependent, hanging down; wfcien they point directly to 

 the ground. 



1 1 . Radicant, rooting ; when the leaves strike root. ' 



12. Nat ant, jloating; when they lie on the surface of the 

 water, as in Nymphcea and Potamogiton. 



13. Demerse, sunk; when they are hid beneath the surface 

 ©f the water*. 



* Vide Plate 9, at the end of this work. 



