GLOSSARY. 109 



Rugose: wrinkled. 



Runcinate: coarsely saw-toothed or incised, the pointed teeth 

 turned toward the base of the leaf. 



Saccate : furnished with a sac. 



Sagittate : arrow-shaped. 



Samara : a dry, 1-seeded, indehiscent fruit, with a membranaceous 

 I margin or wing. 



Sarmentose: bearing or resembling runners, or elongated, flexible 

 branches. 



Scabrous : :ough to the touch. 



Scale : a sort of imperfect leaf, and more or less rigid. 



Scaly : scale-like, or furnished with scales. 



ScAKious : thin and dry, applied to flat organs, such as sepals, etc. 



Scurf: an aggregation of minute scales on the surface of certain 

 leaves. 



Secuns : one-sided. A secund raceme has the flowers all turned to 

 one side. 



Segment : a part of a divided body. 



Sepal : a leaf of the calyx. 



Septicidal dehiscekce : that mode of dehiscence in which a pod 

 splits through the partitions, dividing each of them into two lami- 

 nae. 



Septum: partition. 



Sericeous : silky. 



Serrate : saw-toothed, with the margin cut into teeth pointing for- 

 ward. 



Serrulate : finely saw-toothed. 



Sessile : sitting ; not petioled, not pedicelled. 



Sheathing : wrapped round the stem or scape. 



SiLicLE and Silique : the fruit of most Crucifers, pods, 2-carpelled, 

 2-valved, and 2-celled by a false partition, drawn between the 

 2 placentae, and opening, at maturity, lengthwise by the valves. 



SiLiCLE : a short silique, from nearly as long as wide to not more 

 than 4 times as long as wide. 



SiLiQUE : a pod of Crucifers, elongated so much as to be at least 4 to 

 6 times as long as wide. 



Simple : in one piece ; opposed to compound. 



Sinuate : strongly wavy. 



Spadix : a fleshy spike of flowers. 



Spathe : a bract (usually leaf-like) wrapped round an infloresceDCe, 

 particularly round a spadix. 



