320 APPENDIX I 



Stamen, an individual member of the androecium ; the male 



leaf of a flower. 

 Staminode, a modified stamen, no longer pollen producing ; a 



reduced stamen (p. 217). 

 Standard, a term applied to the large, upper petal of a 



Leguminous flower. 

 Stigma, the receptive portion of the pistil, on which the pollen 



is deposited. 



Stipulate, possessing stipules. 

 Stipules, the paired appendages (often leaf-like) occurring at 



the base of some leaves. 

 Stolon = Runner (q.v .). .- 

 Stoma (plural Stomata), a pore or minute opening in the 



outer layer (epidermis) of a leaf (p. 10). 

 Style, the upper portion or portions of the pistil, bearing the 



stigma or stigmas. 

 Sun-leaves, leaves growing under conditions of strong 



illumination (p. 84). 

 Superior, a term applied to an ovary which is free from, or not 



enclosed by, the floral envelope ; cf. Inferior. 

 Symbiosis, the living together of two dissimilar organisms: 



either two plants or animals, or a plant and an animal 



(p. 293). 



Sympetalous = Gamopetalous (q.v.). 

 Syncarpous, applied to the gynseceum of a flower, in which the 



carpels are united together to form a single ovary. 

 Teeth, minute, pointed lobes on the margins of leaves. 

 Tendril, a special organ, usually thread-like, adapted for 



climbing. 

 Thallus, a vegetative body without differentiation into stem 



and leaf. 

 Transpiration, the act of giving off water from the leaves of a 



plant. The water passes off in the form of vapour, through 



the pores or stomata (p. 12). 



