292 BOARD OF AGRICULTURE. 



Radical : belonging to, or growing immediately from, the root. 



Receptacle: the end of the flower-stalk, on which the parts of a 

 flower are inserted. 



Bevolute: rolled backwards. 



Rhizoma : a root-like subterraneous stem. 



Runcinate : having large teeth pointing backward, as in the dande- 

 lion. 



Scape : a stalk which arises from the root, supporting flowers and 

 fruit but no leaves, as in the dandelion. 



Sepal : the leaflet, or distinct portion of a calyx. 



Serrate : notched like the teeth of a saw. 



Sessile : inserted directly upon the main stem, without any pedicel 

 or foot-stalk. 



Solitary: standing alone. 



Species : a group comprising all similar individuals ; it is the low- 

 est division of natural objects. 



Spike : a prolonged, indefinite infloresence in which the flowers are 

 sessile or nearly so ; ex. mullein. 



Stamen : thread-like organs situated between the corolla and the 

 pistils. 



Staminate : flowers bearing stamens but no pistils. 



Sleynless : see acaulescent. 



Sterile flower : having no pistils. 



..Stolon : a sucker ; a weak trailing stem given off at the summit of 

 the root, and taking root at intervals. 



Strap-shaped : see ligulate. 



Succulent leaves: juicy ; full of juice ; or pulpy. 

 . Syngenesious : stamens united by their anthers. 



Truncate : terminating abruptly as if cut off. 



-Tuber : a short, thickened underground branch, as the potato or 

 arrow-root. 



Tumid: enlarged like a swelling. 



.Tussock: a dense tuft formed at the root. 



Umbel: a kind of inflorescence in which the flower-stalks diverge 

 from one centre like the sticks of an umbrella ; as in the carrot. 



Wliorl: a set of organs arranged in a circle around an axis, or 

 stem. 



