APPENDIX II. 



part of an inflorescence, at least, in its young state. 



Spathaceous, sheathing and not divided np into distinct 

 sepals, petals, etc. 



Spicate, spiked, with the flowers in a spike q.v. 



Spiciform, resembling a spike in appearance. 



Spike, a form of racemose inflorescence in which the 

 flowers are sessile on the axis. 



Spadix, a spike with an enlarged fleshy axis and usually 

 enclosed when young in a spathe. 



Spikelet, the ultimate parts of the inflorescence of grasses 

 (rarely an inflorescence consists of only one spikelet) and 

 CyperaceeB are called spikelets. A spikelet in the grasses 

 consists of an axis (rachilla) with usually three or more 

 distichously arranged bracts (glumes), of which the lowest 

 two (one Or more) are usually empty and the others contain 

 an opposing bracteole (pale) and a male or female or 2-sexual 

 naked flower. See also glume, pale, lodicule. 



Squarrose, with numerous clo^e-set spreading leaves, 

 bracts, or tips or processes of leaves, bracts, etc. 



Stamen, a modified leaf which bears the microsporangia 

 or pollen-sacs. A typical stamen consists of a stalk (fila- 

 ment) and the specially modified part (anther) which bears 

 the pollen-sacs. See also anther. 



Staminodes, imperfect or reduced or rudimentary satmens 

 which do not bear fertile pollen. 



Stellate, spreading in a star-shaped manner. 



Stigma, the part of a carpel especially adapted by means 

 of papilla, viscosity, etc., to receive the pollen grains. The 

 stigmas of the several carpels forming an ovary may be 

 separate or united, stalked or sessile. 



Stipes, a stalk, especially the stalk of a fern leaf. 



Stipella, the stipule of a leaflet. 



Stipitate, stalked. 



Stipule (adj. stipular), stipules are a pair 01 processes 



