APPENDIX II. 



embryo-sac (endosperm), and finally the more or less com- 

 pletely developed and differentiated embryo. 



Sepal, one of the divisions of the calyx. 



Sepaloid, green and resembling a sepal in texture rather 

 thaD a petal. Cp. petaloid. 



Septicidal, a mode of opening of a frnit by means of a 

 split through the median plane of the interior walls or dissepi- 

 ments so that the fruit becomes more or less separated into its 

 component carpels. The separation usually begins by an 

 opening at the top of the fruit. Cp. loculicidal. 



Septifragal, a mode of dehiscence in which a central 

 column bearing the septa or part of the septa remains while 

 the exterior walls of the fruit separate from it. Cp. loculi- 

 cidal, septicidal. 



Septum, an interior wall. 



Serrate, toothed like a saw with the teeth inclined for- 

 wards. 



Serrulate, serrate but with the teeth minute. 

 Sessile, without a stalk. 



Seta, a long stiff hair.. Setaceous, needle-like; very 

 slender and tapering and of no appreciable width; more 

 slender than in linear. 



Setose, beset with set©. 



Silky, sericeous, covered with very nne adpressed silky 

 hairs. 



Simple, not composed of a number of similar parts, 

 opposed to cooi pound. A leaf is simple even if segmented 

 provided that the divisions are not separated by portions of 

 the axis destitute of blade. 



Sinuate, somewhat deeply waved. Cp. repanu. 



Sorus, a group of sporangia. 



Spathe, a large bract which sheatns an inflorescence or 



