spermatoicle Spore f 

 sperrig a 

 Spiegel m 



Spiegelfaser f 

 Spiegelnarbe f 



Spiegelseite f 

 Spielart f 

 spiessförmig a 

 Spindel f 

 Spindelfaser f 

 Spindelfigur f 

 spindelförmig a 

 Spiraldrehung f 

 Spiralgefäss n 

 Spiralstellung f 

 Spiraltracheide f 

 Spirre f 

 Spitzahorn m 

 Spitzchen n 

 Spitzenanhängsel n 



Spitzenaposporie f 

 Spitzenwachstum n 

 Spitzknospe f 

 spitzläufig 

 Splint m 

 Splintholz n 

 spontane Änderung f 

 spontane Bewegung f 

 spontane Selbstbestäubung 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 



