Serrulation 



A DICTIONARY 



Shrub 



rate; serrate with small teeth. 

 Compare Subserrate. 



SfiR'RULATfiD, see Serrulate. 



s£RRIJLA'TION, (1) the state or 

 condition of being serrulate; 

 (2) a tooth of a serrulate mar- 

 gin. Compare Serrature. 



sES'QUI-AL'TER, half as many 

 more: applied to stamens when 

 half as many more than the 

 petals; also to a fertile floret 

 in grasses when accompanied 

 by a small abortive one. 



SESSILE, (1) having no stalk, as 

 a leaf which has no petiole but 

 is seated directly upon the stem; 

 (2) quiescent, not moving about 

 — applied to bacteria and zoo- 

 spores at certain times. 



SE'TA (pi. Se'tse), a bristle or 

 slender bristle-like body; the 

 stalk of the capsule in most 

 mosses above the true stem. 



SETA'CEOtJS, (1) bristle-shaped; 

 setiform; (2) setigerous. 



SETIF'EROfJS, see Setigerous. 



SETIFORM, see Setaceous. 



SETlG'EROtJS, bristle - bearing; 

 setiferous. See Setose. 



SETOSE', bearing or abounding 

 with bristles; bristly; seta- 

 ceous; setous; setiferous; se- 

 tigerous. 



SE'TOUS, see Setose. 



SET'tJLA (pi. Set'ulse), diminutive 

 of Seta. 



SfU'tJLOSE, bearing minute 

 bristles. 



SEX-, Latin for six. See Hex-. 



s£x, one of the attributes of 

 nearly all living bodies, which 

 manifests itself in a certain 

 method of reproduction, the 

 first stage of which is the 

 blending of the contents of 

 two cells which are usually of 

 distinct character and differ- 

 ent origin, one of which is 

 called male, the other female. 



SflxAN'GtJLAR, having six an- 

 gles; hexagonal. 



SflXFA'RlotTS, six-rowed. 



SEX'IFID, six-cleft. 



SEXLdCtJLAR, having six cells 

 in an ovary. 



SflX'PARTlTE, six-parted. 



SEX'UAL GENERATION, the 

 generation or stage which 

 bears the sexual organs in 

 plants which have an alterna- 

 tion of generations. In ferns 

 it is the prothallus. Compare 

 Asexual Generation. 



SflX UAL StS'TEM, see Linn^ean 

 System. 



SHAGGY, either villose or hir- 

 sute. 



SHEATH, the petiole or base of 

 the leaf in grasses which sur- 

 rounds the stem; any tubular 

 part surrounding another ; 

 vagina. 



SHEATHED, surrounded by a 

 sheath; invagiuated; vaginate. 



SHEATH'ING, surrounding a stem 

 or other body in a convolute 

 or tubular manner, as the 

 petioles of grasses ; vaginant. 

 Compare Amplexicaul. 



SHELL, the bony covering of a 

 nut. 



SHIELD, see Apothecium and 

 Indusium. In Chara one of 

 the eight flat cells forming the 

 wall of the globule. 



SHIELD - SHAPED, scutate or 

 peltate. 



SHOOT, a young growing branch 

 or twig, or an unusually vigor- 

 ous stem or branch, generally 

 from the ground or near it. 

 Also used by botanists as a 

 general term for the stem or 

 leaf-bearing part of a plant in 

 distinction from the root. 



SHRtJB, a woody plant which 

 seldom exceeds twenty feet in 

 162 



