SITUATION OF LEAVES. 435 



1. Seminal, seed leaves; which before were the cotyledons, 

 and are the first which appear. 



2. Radical, root leaves; such as proceed from the root. 



3. Caultne, stem leaves; such as grow on the stem. 



4. Rameous, branch leaves ; such as grow on the branches. 



5. Axillary*, such as are placed at the coming out, of the 

 branches. 



6. Floral, flower' leaves ; such as are placed at the coming 

 out of the flower. 



II. By Situation is meant the disposition of the leaves on the 

 stem of the plant. In respect to which, leaves are called, 



I*. Stellate, starry; or Verticillate, ichorled; when the 

 stalk is surrounded in whorls by more than two leaves; and 

 these again receive the denomination of tern, quatern, quine, sene, 

 &c. according to the number of leaves of which the star or whorl 

 is composed, as in NERiuM,...BRABEJUM,...and Hippuris. 



2. Opposite ; when the cauline leaves come out in pairs facing 

 each other, and each pair is crossed by the next, so that they 

 point four different ways. 



3. Alternate; when they come out singly, and follow in a 

 gradual order. ' 



4. Sparsed, scattered ; when they come out in plenty about 

 the plant without order. 



5. Confert, crowded; when they come out in quantities, so 

 as almost to cover the branches, and leave hardly any space be- 

 tween them. 



6. Imbricate ; when they are confert and erect, so as to lie 

 over one another, each covering a part of the following one. 



*■ From axilla, an armpit. Editor. 



2 F 2 



