spermatoide Spore f 

 sperrig a 

 Spiegel m 



Spiegelfaser f 

 Spiegelnarbe f 



Spiegelseite f 

 Spielart f 

 spiessformig a 

 Spindel f 

 Spindelfaser f 

 Spindelfigur f 

 spindelformig a 

 Spiraldrehung f 

 Spiralgefass n 

 Spiralstellung f 

 Spiraltracheide f 

 Spirre f 

 Spitz ahorn m 

 Spit^chen n 

 Spitzenanhangsel n 



Spitzenaposporie f 

 Spitzenwachstum n 

 Spitzknospe f 

 spitzlaufig 

 -Splint m 

 Splintholz n 

 spontane Xnderung f 

 spontane Bewegung f 

 spontane Selbstbestaubung f 

 spontane Variation f 



Sporangiumfrucht f 

 Sporangiumgrube f 



spore (budding in ascus) 



loosened (soil) 



mirror (effect produced by 

 medullary rays) 



medullary ray 



'mirror-stigma' (a type of 

 stigmatic surface in certain 

 orchids) 



radial section 



subvariety 



hastate 



rachis 



spindle fiber 



nuclear spindle 



fusiform 



spiralism 



spiral element 



spiral arrangement 



spiral element 



anthela 



maple, Acer platanoides 



apiculus 



tip of ventral lobe of Mar- 

 chantia 



apical apospory 



apical growth 



terminal bud 



acrodromous 



sapwood 



sapwood 



single variation, mutation 



autogenic movement 



direct autogamy 



mutation, spontaneous varia- 

 tion 



sporocarpium (Marsilia) 



fovea 



111 



