GLOSSARY. 355 



SUique : like a silicle, but mucli longer. 



Silver-grain: the glittering plates (Medullary Rays) in exogenous 



wood. 

 Simple : not compound ; of one piece or part. 

 Sinuate : with deep waves. 



Sinus : a recess or space between two lobes or projections. 

 Smooth : not hairy nor hispid. 

 Sori : plural of sorus. 



Sorus : the fruit-dot or mass of sporangia in Ferns. 

 Spadiceous : having a spadix. 

 Spadix : a fleshy spike. 



Spathe : a large bract which envelops a flower-cluster. 

 Spatulate : widened at the top like a spatula. 

 Species: all the individuals of one kind, descended as such from 



common parents. 

 Spermogonium : cavity which contains the filaments that bear the 



spermatia. 

 Spermatia : the spore-like bodies produced in the spermogonia. 

 Spennatozoids : the protoplasmic bodies or cells developed within the 



antheridia. 

 Spicate : like a spike. 



Spike : a flower-cluster similar to the raceme, but with sessile flowers. 

 Spikdet : a secondary spike ; the cluster of flowers in Grasses sur- 

 rounded by glumes. 

 Spine : thorn ; an indurated leaf or branch. 

 Spinose : having spines. 



Sporangium: the organ in which spores develop. 

 Spore: the body resulting from fructification in the flowerless or 



Cryptogamous plants ; destitute of an embryo, but having a 



function similar to that of the seed. 

 Spore-case : sporangium ; capsule containing the spores. 

 Sporidia : secondary spores, or those produced on the pro-embryo, or 



what develops directly from the spore. 

 Sporiferovs .; bearing spores. 

 Sporocarp: the reproductive as opposed to the vegetative part in 



Cryptogams. 

 Sport: an individual deviating much from the type, but whose 



characters are not transmitted. 

 Spur : a projecting, more or less horn-like, appendage. 

 Spuii-ed : like or having spurs. 

 Squamate, Sgvamose : having or like scales. 



/Stamen: the floral organ which produces (in the anther) the pollen. 

 Staminaie : having stamens. 

 Staminodium : a sterile or abortive stamen. 

 Stellate : star-shaped. 

 Stem: the ascending axis of the plant. 

 Stemiess : acaulescent ; having no apparent stem. 

 Sterigma : the slender stalk or support of the spores in some Fungi. 

 Sterile: unfruitful. 

 Stei-ile flower : one with stamens but no pistils. 



