Speotrophore 



Spermatophore 



the action of the different rays of 

 light in the elimination of oxygen 

 by plants. 



Bpeir'anthy (<nr€tpo, a twist ; &vdos, a 

 flower), when a flower assumes a 

 twisted form. 



Speire'ma (ffvelprjua, a fold or coil), 

 in Lichens, a gonidium. 



Speirogonim'ia {(rirelpa, a twist, + 

 Gonimia), gonimia single or scat- 

 tered ; Speirostich'ies {arixos, a 

 row), a spiral series (Hance). 



Sper'gnlin, a fluorescent substance 

 occm'ring in the seeds of Spergida. 



Sperm {<rirep[xa, a seed) Cell, a male 

 reproductive cell, as (a) an anther- 

 ozoid, {h) a pollen-grain ; usually 

 a minute, active cell, whose func- 

 tion is that of fusion with a large 

 resting cell (oosphere), to form a 

 zygote ; ~ -cell, sometimes re- 

 stricted to the spermatozoid mother- 

 cell ; — Chro'matin, that portion of 

 the male nucleus which is recei>tive 

 of staining ; ^ Nu^cleus, the nucleus 

 of a male gamete (male pronucleus) 

 which coalesces with the nucleus 

 of an oosphere (female pronucleus) 

 to form a germ-nucleus ; Sperm'-, 

 agone, Spermagon'ium {y6vos, ott- 

 spring) = Spermogone, etc. ; Sperm- 

 amoe'bae (-}- Amoebae), Prings- 

 heim's term for certain specialized 

 portions of the autheridial proto- 

 plasm of Saprolegniae, which 

 fertilize the oosphei e ; Sperman'- 

 ginm {kyy«7ou, a vessel), the 

 sporangium of an Alga (Lindley) ; 

 Sperm'aphore, Hpermaphor'inm 



{<popiw, I carry), (1) the placenta ; 

 (2) the funicle; Sperm'aphytes 

 {^xnhv, a plant), used to include 

 both Angiospenns and Gymno- 

 sperms ; all plants except Crypto- 

 gams (Sachs) ; adj. spermaphyt'ic ; 

 Spermapod'iam or Spermapodoph'- 

 orum (iroCs, iro8J)j, a foot), a branched 

 gynophore in Umbelliferae ; Sperma'- 

 ritun, H. Gibson's term for Antheu- 

 iDiuM ; Sperm'ary, = (1) Pollen- 

 tube ; (2) employed by T. J. Parker 

 for a male orgaii of reproduction, as 

 a gamete ; Sperm'atange, Spcnna- 



tan'giuni {ayy (lov, a vessel), (1) 

 the antheridium of Bangiaceae (T. 

 Johnson) ; (2) by A. Braun em- 

 ployed for spermogonia and an- 

 theridia generally ; Spermat'ia, pi. 

 of Sperma'tium, male non-motile 

 gamete-cell ; Sperm'atid, Sperm- 

 atid' ium {cUos, resemblance), (1) 

 the mother-cell of antherozoids ; 

 (2) formerly used for an Algal 

 spore ; spermatif'erous {Jero, I 

 bear) ; spermatig'erous {gero, 1 

 bear), })earing spermatia ; Spermato- 

 conid'ium (-f Cunidium), A. l>raun's 

 term for Spermai ium ; Spermato'- 

 cyst, SpcrTTiatocystid'iuin [Kvcris, a 

 bag), tlie mother-cell of antheridia, 

 especially of Mosses ; Sperm'atocyte 

 {kvtos, a hollow), (1) Goebel's term 

 for the preceding ; (2) used by 

 Shaw for four primary organs, 

 each containing a pair of blepharo- 

 plastoids, the eight secondary or 

 spermatid mother-cells each con- 

 tains two blepharoplasts (Coult. , 

 Bot. Gaz. XX vi., Dec. 1898, p. 449) ; 

 Spermatooy'tium {kvtos, a hollow 

 vessel), a simple sporangium con- 

 taining spermatozoids (A. Braun) ; 

 Spermatogam'ete, Hartog's terjn 

 for a male gamete ; Spermatogen'- 

 esis {yiveais, a beginning), the 

 development of the male elements, 

 antherozoids, pollen -grains, and 

 analogous bodies ; spermatog'enous 

 {ytvvaoo, I beget), (1) productive of 

 the male element ; (2) producing 

 seed ; Spermatogonid'ium ( + Gon- 

 idium), A. Braiin's term for Sperm-" 

 atozoid; Spermatogon'ium {y6vos, 

 o(fsprin^), the male gametogonium, 

 a cell which divides to form gametes, 

 or itself passes into the state of one 

 (Hartog) ; Spermatoid'ium, one of 

 "small cells containing gonidia in 

 Algae" (I.indley); Spermatokarium 

 (/caAii, a cabin), name given by 

 Gibelli to the perithecium of Verru- 

 caria ; spermatokine'tio (Kivt^riKhs, 

 having the power of movement), 

 tending to produce the male 

 element in plants; Sperm'atophore 

 {<f>op4a>, I carry), a structure bearing 



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