GLOSSARY. 187 



a beginning.) Often used to describe parts of 

 plants which have not reached their full develop- 

 ment. 



Scutellum (Latin, scufuluin, a little shield.) A 

 descriptive name for the body on the embryo of 

 a grass, by means of which it dissolves and 

 absorbs the food reserve stored up in the seed. 



Sections. (Latin, sect in, a cutting.) Thin slices cut 

 from a plant. They may either be' Cut a<-n-- 

 the stem cross sections, or cut lengthwise 

 longitudinal sections. 



Segments. (Latin segment nm, a division or a 

 portion.) The divisions, or rings, which make 

 up the body of an insect. 



Sepal. (From Greek, skepas, a covering or shelter.) 

 One of the leafy bodies, commonly green, which 

 form the outermost portion of the flower, and 

 usually make a protective wrapping to the more 

 delicate inner portions. 



Species. (Latin, species, a kind or sort.) All those 

 animals or plants are said to be of the same 

 species which do not vary more from one 

 another than might be expected in the produce 

 of the same parents. 



Stamen. (Latin, stamen, a thread.) One of the 

 essential parts of a flower, consisting usually of 

 a stalk, bearing a pollen-box containing the 

 l>ollen grains. 



Stigma. (Greek stigma, a spot.) The portion of 

 the pistil which receives the pollen. For this 

 purpose it is often hairy and sticky. 



Stipules. (Latin, stipule^ straw, stubble.) The bodies 

 borne where a leaf joins on to a stem ; not 

 present in all plants. 



Stoma. (Plural stomata.) (Greek, stoma,a. mouth.) 

 The small pores in the surfaces of leaves, and 

 other green parts of plants. 



