4 LEAVES. 



direction parallel to the stem, and touches it in its whole 

 direction. Ex. Xvranthemnm sesamoides. 



1 9. VERTICAL, (verticcdia') perpendicular ; both sides 

 at right angles with the horizon, but not quite in con- 

 tact with the stern. Ex. Lactnca Scariota. 



20. ERECT, (eretfa) forming: a very acute angle with 

 the stem. Ex. Red Cedar, Juniperus Virginiana. 



21. SPREADING, (patentid) forming a moderately 

 acute angle with the stem or branch. 



22. HORIZONTAL, (horizontalia or patentissimd) 

 spreading in the greatest possible degree. 



23. RECLINATE, (redinatd) inclining downward. 

 Ex. Motherwort, Leonurus Cardiaca. 



24. RECURVED, (recurva or reflex(i) curved back- 

 ward. 



25. INFLEXED, (incuroa or inftexa) curved inward. 



26. OBLIQUE, (obliqua) twisted, so that o*he part of 

 each leaf is vertical, the other horizontal. Ex. Frit- 

 tiUaria obliqua. 



27. RESUPIWATE, (resupinatd) reversed ; when the 

 upper surface is turned downward. 



28. DEPRESSED, (depressa) radical leaves pressed 

 close to the ground. Ex. Plantago media. 



29. NATANT, (natantid) floating on the surface of 

 the water. Ex. Water Lilies, NympkcRa advena and 

 odorata. 



SO. SUBMERSED, (submersa, demersa, or immersa} 

 sunk ; plunged under water. Ex. Potamogeton. 

 31. EMERGED, (emersd) raised above the water. 



II. Insertion. 



By insertion is meant the mode in which one part 

 of a plant is connected with another. 



1. FETIOLATE LEAVES, (folia petiolatd) leaves on 

 footstalks ; are such as are furnished with that organ, 

 whether long or short, simple or compound. 



2. PELTATE, (pdtata.) PL 4, fig. 11. When the 

 footstalk is inserted into the centre of the leaf, like the 



