524 GLOSSARY 



less complicated multicellular body of the fungi which bears spores, 



273, 274, 282, 284. 

 Sporophyll (Spor'-o-phyll), a spore bearing leaf, 369, 371, 375-378, 390, 



397, 402, 406. 

 Sporophyte (Spor'-o-phyte), the spore plant stage, or generation, in the 



complete life cycle of a plant; it usually begins with the fertilized egg 



and ends with the mother cell of the four spores, 238, 244, 342, 354- 



35 8 , 3 6 7> 37> 37 1 , 37 6 , 379, 3 82 , 3 86 , 42, 404, 405, 418, 419. 

 Stamens, the members of the flower which bear the pollen grains, 143, 147, 



152, 153, 155, 158, 163, 165, 168, 171, 173, 181. 

 Stamina te, said of flowers which have stamens but no pistils, 145, 173, 



178, 390, 391. 

 Sterigma (Ster-ig'-ma, plural, ster-ig'-ma-ta), a minute conicle process on a 



basidium or sporophore on which the spore is borne, 315, 323. 

 Stigma, the portion of the pistil which receives and holds the pollen by its 



viscid surface, 144, 152, 156, 160, 161, 163, 166, 168, 169, 181, 182, 409. 

 Stipe, a stem, applied to the stem of a mushroom, 323. 

 Stipule, leaf like or membranous expansions at the base of the petiole, 



73, 77, 78, 81. 

 Stolon, a creeping stem, or fungus hypha, which "takes root" at intervals 



and forms new plants or sporophores at these points, 47, 275. 

 Stoloniferous (Sto-lo-nif'-er-ous), stolon-bearing, 48. 

 Stomium (Stom'-i-um), the mouth of the capsule of many mosses covered 



by the lid; in ferns the point in the spore case where the opening begins, 



349, 3 01 - 

 Strobilus (Stro'-bi-lus), the fruiting spike of horse tails, club mosses, 



Gymnosperms, etc., 377. 

 Style, the slender prolongation of the pistil above the ovary, 144, 152, 156, 



160, 163, 166, 168, 169, 177, 181, 182, 409. 

 Superior, said of the pistil when none of the other flower parts are 



joined to it; said of the calyx when it is joined to the ovary, 147. 

 Suspensor, in the fungi the stalk attached to either side of the zygospore 



and on the end of which was the gamete which united with another 



to form the zygospore; in higher plants the stalk of the very young 



embryo in the ovule or macrospore, .278. 

 Swarm spore, a zoospore, or swimming spore, where several emerge from 



the same spore case, 241-243. 



Symbiont (Sym'-bi-ont), either one of the organisms living in symbiosis, 132. 

 Symbiosis (Sym-bi-o'-sis) , a living together of two or more organisms in 



a very close relationship, as parasites and their hosts, lichens, mycorhiza, 



etc., 129-132, 299. 

 Sympetalous, petals united, 408. 

 Syncarpous (Syn-car'-pous), fruits formed from a compound ovary, 408. 



