sinuate 



social 



being 



perpendicularly downward into 

 the wood of the host. 

 sin'uate, sinua'tus(La,t., curved), with 

 a deep wavy margin ; sin'uated, 

 deeply waved ; sin'uolate, 

 sinuola'tus, repand, faintly or 

 minutely sinuate ; sin'uose, sin'- 

 uous, sinuate. 



Sin'us (Lat., a curve, a fold), (1) a 

 recess or re-entering angle ; (2) a 

 pore in some Fungi (Lindley). 

 Si'phon (ffitpuv, a tube), a pericentral 

 elongated tube in the frond of 

 Polysiphonia and allied Algae ; 

 sipno'neous, relating to Algae 

 possessing tubular structure ; 

 Siphoniphy'ton (tpvrov, a plant), a 

 Composite with all its florets 

 tubular ; Sipho'nogam (yd/j.os, 

 marriage), plants fertilized by 

 means of pollen-tubes, all Phanero- 

 gams ; adj. siphonogam'ic, sipho- 

 nog'amous, the condition 

 Siphonog'amy ; siphonoste'li 

 a column), having a tubular stele 

 (Jeffrey). 



Sis'ter-cells, cells of the same genera- 

 tion produced by the division of a 

 smgle (mother) cell, as the pollen- 

 grains of a tetrad. 



Sit'us (Lat., situate), (1) the position 

 occupied by an organ ; (2) + the 

 mycelium of some Fungi (Lindley). 

 Skein, a condition of the chromatin of 

 the nucleus in the initial and final 

 stages of division ; daughter or 

 mother ~ , according to their 

 development. 



Skel'eton (ffneXerbs, mummy), any 

 framework which persists after the 

 destruction of the organ by fire or 

 corrosion, as the remainder of the 

 cell-wall in ash, or the starch grain 

 after partial solution by an enzyme. 

 Skin, a thin external covering, the 



cuticle or epidermis. 

 slashed, laciniate. 

 slate-grey, the colour of slate, 



schistaceous. 



Sleep, the repose of plants, with 

 changes in position of organs such 

 as leaves, due to absence of light ; 

 <~ Move'ments, positions taken by 



leaves during the night, nyctitropic 

 movements, 

 slen'der, long and thin. 

 Sli'ding Growth, a gradual change in 

 the relative position of vessels, 

 fibres, etc., due to their develop- 

 ment in a longitudinal direction. 

 Slime-flux, a tiow of liquid from 

 diseased fruit and forest trees, due 

 to the attacks of various Fungi, 

 producing a fermentation of the 

 cortical elements down to the 

 cambium zone (Massee) ; Slime- 

 Fun'gi = MYXOGASTRES. 

 sli'my, mucous. 



Sling-fruit, applied to any fruit which 



by possessing contractile tissue 



projects its s-eeds to a distance. 



Slip, (1) described by Loudon as a 



shoot from the collar or lower part 



of the stem of a plant, used for 



propagation, stem-suckers ; (2) a 



popular name for CUTTING, but 



not used by cultivators. 



smarag'dine, smarag'dinus (a-/j,d.pay5os, 



an emerald), emerald green. 

 Smil'acine, a crystalline body oc- 

 curring in the roots of the officinal 

 sarsaparilla. 

 smo'ky, fumosus. 



smooth, (1) not rough, opposed to 

 scabrous, free from hairs ; (2) gla- 

 brous, as opposed to pubescent. 

 Smut, disease in grain produced by 



various species of Ustilayo. 

 Snail-plants, those which are sup- 

 posed to be fertilized by snails and 

 slags, malacophilous plants, 

 snow-white, white of absolute purity, 



niveus. 



Snow-leaves, Jungner's name for cer- 

 tain leaves which are thin or 

 leathery, folded in the bud, and 

 with no pulvinus ; winter-leaves. 

 Sob'ole, Sob'oles (Lat., a sprout), 

 a shoot, especially from the ground ; 

 sooolif erous (fero, I bear), bearing 

 vigorous shoots. 



so'cial (sociali.y, pertaining to com- 

 panionship), when individuals of 

 the same species usually grow in 

 company, and occupy a consider- 

 able extent of ground. 



242 



