sexfarious 



sigmoid 



sexfar'ious, -us (sex, six, fariam, 

 suffix = in rows), presenting six 

 rows, extending longitudinally 

 round an axis. 



sex'ifid (sex, six,_/?d = cleft), six-cleft 

 (Crozier) ; sexolc'ular (loculus, a 

 small cell), six-celled. 



sexpar'tite, sexparf.i'tus (Lat.), cut 

 into six segments. 



Sex'tant (sextans, a sixth part), a 

 radial cell division of segments 

 in three serifs, a sixth part of the 

 original (De Bary). 



sex'tuplex (Lat. ), six-fold or six-times. 



sex'ual, sexua'lis (Lat., pertaining to 

 sex), (1) the distinction of sex; 

 (2) applied to the phenomena 

 of conjugation generally ;~Gener'- 

 ation, the stage which bears 

 the sexual organs ; in Ferns the 

 prothallus ; ~ Sys'tem, Linnacus's 

 artificial arrangement by the num- 

 ber and position of the sexual 

 organs. 



Shaft, Withering's word for STYLE. 



Shag-hai'rs, VILLI, in German 

 "Zotten." 



shag'gy, villous. 



Shake, defect in timber due to the 

 attacks of Trametes Pini, Fr. ; 

 also known as Bark-, Heart-, or 

 Ring-shake. 



sharp pointed, acute. 



Sheath, ( 1 ) a tubular or enrolled part 

 or organ, as the lower part of the 

 leaf in grasses ; (2) a limiting layer 

 of surrounding cellular tissue, as 

 the BUNDLE-SHEATH ; sheathing, 

 enclosing as though by a sheath. 



Shelf, conducting, Dicksou's term for 

 a ledg;-! within the ascidium of 

 Cephalotus foUicularis, Labill. 



Shell, (1) the hard envelope of a nut ; 

 (2) a mass of layers in the cell-wall. 



Shel'ter-par'asite, ^ee DOMATIA. 



Shield, (1) an apothecium or disk 

 arising from a Lichen -thallus, con- 

 taining asci ; (2) in Characeae, one 

 of the eight cells forming the 

 globule ; (3) the stamin de of 

 Cyprtpedium (S. Moore) ;~ shaped, 

 in the form of a buckler ; clypeate, 

 peltate, or scutate. 



240 



Sniffing, the same as GLIDING 

 GROWTH ; in Germ. Verschiebung. 



shi'ning, lucid, a clear and polished 

 surface. 



Shoot, (1) a young growing branch or 

 twig ; (2) the ascending axis ; when 

 segmented into dissimilar mem- 

 bers it becomes a STEM ; -~ Pole, that 

 point where new shoot-growth 

 begins, cf. ROOT-POLE ; leafy ~ , a 

 branched shoot ; thal'loid ~ , an 

 unsegmented shoot. 



Short-rods, short bacteria. 



Shrub, a woody perennial of smaller 

 structure than a tree, wanting the 

 bole ; shrub'by, like a shrub ; 

 Shrub'let, an undershrub. 



sic'cus (Lat.), dry, juiceless, contain- 

 ing little or no watery juice ; sic- 

 cita'te (Lat., abl. absol.), in the dry- 

 state, that is, herbarium specimens. 



Sickle -stage, of nuclear division, 

 Zimmerman's term for the PARA- 

 NUCLKUS of Strasburger, a crescent- 

 shaped body at one margin of the 

 nucleus, supposed to represent a 

 stage in the disappearance of the 

 nucleolus. 



Sieve cells, the individual cells 

 which constitute the SIEVE TUBES ; 

 ~ Disk, ~ Field, ~ Plate, the 

 pierced plate on the transverse 

 or lateral walls of vessels covered 

 on both sides by callus ; <~ 

 Pores, the openings in a sieve- 

 plate ; ~ Tis'sue, long articulated 

 tubes, whose segments communi- 

 cate by means of the sieve-plates ; 

 ~ Tubes, the tubes composing the 

 tissue described ; ~ Xy'lem, ap- 

 plied by Chodat to groups of sieve- 

 cells in the wood of Dicella. 



sigilla'rian, resembling or allied to 

 Sigillaria, a genus of foi-sil plants 

 whose surface is marked wi'h 

 numerous scars ; sig'illate, sigilla'- 

 tus (Lat., sealed), as if marked 

 with impressions of a seal, as the 

 rhizome of Polygonatum. 



sig'matoid (cri-y^a, the Greek s, eZ5os, 

 resemblance), or sig'moid, sigmoi'- 

 deus, doubly curved in opposite 

 directions, like the Greek s. 



