MORPHOLOGY OF REPEODUCTIVE ORGANS 105 



we frequently find smaller spathes surrounding its divisions, 

 which have been named spathellce. The term spathe is gene- 

 rally restricted to a large enveloping bract of the spadix ; and 

 other bracts of a like character, which enclose only one or at 



Fig. 200. 



Fig. 201. 



Fig. 202. 



Fig. 2U0. Flower of tlie Spriug Suowflake ^Leiimumvernum) miin^fxom 



4e axil of aspathaceous brtot or spatlie. /'.■./.Ml. Spadix of Ouokoo- 



pint {Arum maculaUm) enclosed in a spathe, a p"rtion of which I'af been 

 remoTcdto show the flowers within. Fitj.Wi. Beoeptaole of the Cha- 

 momile Untliemis noMHs), bearing tubular flowers Ulorets), «> ani 



bracts, !.; the latter are sometimes termed patee. Fig. 203. Locusta 



or spikelet of the Oat (Avena safiva). gl, s-Z. Glumes, ps, pu Palea m 

 pales, a. Awn arising from the dorsum of the outer pale, ps. fs. An 

 abortive flower. 



most a few flowers, as frequently found in Monocotyledons, are 

 called spathaceous iracfs. 



Besides the bracts which surround the head of flowers of 

 the Compositse and form an involucre, it frequently happens 

 that the individual flowers or florets {fig. 202, a) are also 

 provided with little bracts, b, which are then generally of 

 a membranous nature, and colourless, as in the Chamomile. 



