GLOSSARY. 107 



SECUND, pointing one way. 



SEGMENT, divided portion of the leaf; or the leaf 



itself when joined to its neighbour by their 



bases ; lobe. 



SERRATE, toothed like a saw. 

 SERRATURES, saw-like indentations. 

 SESSILE, tapering off without any distinct leaf-stalk, 



and merging presently in the stem. 

 SILICEOUS, composed of a flint-like substance. 

 SIMPLE, single ; plain ; uncompounded. 

 SINUATE, ) 

 SINUOUS j bendin g '> crooked ; serpentine. 



SINUS, the inner end of an indentation. 



SORUS, an aggregated mass of thecse or spore-cases. 



SORIFEROUS, bearing the sori. 



SPINULOSE, spinous ; bristly. 



SPORES, organs resembling buds or seeds in the lower 



plants. 

 STAMEN, pollen-bearing organs in the interior of a 



flower or blossom. 

 STIGMA, the point of the pistil or style in the interior 



of a flower or blossom, receiving the pollen. 

 STIPES, the stem or stalk of the frond. 

 STOMATES, the respiratory pores or openings in the 



epidermis. 



STRIATED, scored or furrowed. 

 SUB prefixed, acts as a diminutive ; incompletely, in 



a modified degree. 

 SUCCULENT, soft ; sappy ; pulpy. 

 TERETE, square. 

 TERMINAL, springing from the end of an organ. 



