Stomiiun 



Striga 



sporangia, between the lip-cells, 

 through which dehiscence takes 

 place. 

 Stone, the hard endocarp of a drupe ; 

 '~ Cells, the individual cells which 

 have become hardened by secondary 

 deposit, the components of sclerogen ; 

 -^ Fruit, a drupe such as a plum or 

 peach. 

 Stool, (1) a plant from which offsets 

 or layers are taken; (2) when 

 several stems rise from the same 

 root, as in wheat. 

 Stop'per, a word applied by Archer 

 to the callus-plates in Algae ; '^ of 

 Forien, hyaline protoplasmic deposi ts 

 in pollen-tubes (Degaguy). 

 Stop'ples, the projection or lids in 

 pollen-grains which fall away to 

 admit of the passage of the pollen - 

 tube. 

 Stor'ax = Styrax. 

 Stor'ey, the same as Layer. 

 Btrag'gling, divaricate. 

 Stra'guluin :t (Lat., a covering), the 



paleae of grasses. 

 straight, in a right line, not curved ; 

 '~ ribbed, -' veined, when the ribs 

 run in a straight line, as in the 

 leaves of many Monocotyledons. 

 Strain, (1) in atavism, the influence of 

 some ancestor ; (2) a slight variety 

 of race. 

 Stra'men (Lat.), straw; straminerius 

 (N. Lat. ), somewhat straw-coloured ; 

 gtramin'eous, -neiis, straw-like or 

 straw-coloured. 

 Strand, (1 ) a bundle of vascular tissue, 

 resembling a cord; (2) shore, as 

 '-' -plants, used by C. MacMillan 

 for shore plants ; -^ Myce'lium = 

 mycelial strand. 

 stran'gulated {strangulatus, choked), 

 contracted and expanded in an 

 irregular manner. 

 Strap, the ligule of a ray floret in 

 Compositae (Crozier) ; ~ shaped, 

 ligulate or lorate. 

 Stra'ta, pi. {stratum, a layer), layers 

 of tissue; Stratiflca'tion {facio, I 

 make), (1) the successive deposition 

 of layers on the cell -wall, and the 

 arrangement of the said layers ; 



(2) the differences in vegetation at 

 diff"erent vertical levels ; the various 

 stages may be called strata or layers 

 (Yapp) ; strat'ified, disposed in 

 layers ; •^ Tharius, a Lichen thal- 

 lu3 in which the gonidial layer or 

 layers are evident ; stra'tose, in 

 distinct layers (Crozier) ; Stra'tum, 

 a layer of tissue ; '-' cellalo'sum, 

 the bark layer next within the 

 epidermis ; r» cortica'le, any bast 

 layer ; '-- gonidia'le, '~ gou'imon, 

 the Algal layer in Lichens ; -- lig'- 

 neum, a layer of wood ; -^ medul- 

 la're, the medulla or pith ; -^ 

 sporidiif' erum, the flesh of Agarics ; 

 r^ iporoph'orum, the hymenium of 

 Fungi. For ecological purposes there 

 are : — Ground- ~ immediately above 

 the soil ; Field- '^ formed by grass 

 and herbs ; Shrub- ■-' of the taller 

 shrubs : Tree- '^, composed of trees. 

 Straw, the jointed hollow culm of 



grasses. 

 Streak, a disease in Lathy rus odoratus, 

 ascribed to Thielavia basicola, Zopf. 

 Stream'ing, the flow of protoplasm 



as in Myxogastres. 

 strephotrich'ial, belonging to the 



genus Stri phothrix . 

 Strepsine'ma {<TTp4\pw, I will twist ; 

 vfjfio, a thread), delicate parallel 

 threads twisted about each other in 

 the nucleus in a stage of synapsis ; 

 adj. Btrep'sitene. 

 strept0Car'pus((rTp€7rTbs, twisted; Kap- 

 irhs, fruit), when fruit is marked 

 spirally. 

 Stri'ae, pi. {stria, a furrow), markings 

 on the valves of Diatoms which 

 present the appearance of lines; 

 stri'ate, stria'tus, marked with fine 

 longitudinal parallel lines, as 

 grooves or ridges ; Stria'tion, of 

 cell-wall, markings believed to be 

 due to the manner of formation in 

 bands by the protoplasm, 

 strict, stric'tiis (Lat., drawn together), 

 close or narrow and upright, very 

 straight. 

 Strig'a (Lat., a swathe), "a small 

 straight hair-like scale " (J. S. 

 Henslow). 



365 



