20. 



GLOSSARY OF SPECIAL TERMS 



BLADE 

 CHAFF 

 COirPOUND - 



CREEPING - 



DEFLEXED - 

 FERTILE 

 FRONDS 

 INDUS lA 

 INDUS lUM - 

 LANCEOLATE- 

 MIDRIB 



PETIOLE 

 PETIOLED - 

 PINNA 

 PINNAE 

 PINNATE 

 PINNATE, TWICE 



PINNULE 

 RACHIS 



ROOTSTOCK - 



SCALES 



SEGMENT 



SESSILE 



SORI 



3P0RANGE - 



SPORE 



STALK 



STERILE 



STIPE 



SUBTERITINAL 



7EINLET 



The flat expanded part of a frond. 



Thin dry scales. 



Composed of two or more parts forming a 



whole. 

 Riinning along or, at surface, of ground 



and rooting. 

 Turned abruptly downward. 

 Bearing spores. 

 The leaves of ferns. 

 Plural for Indus ivun. 

 The covering for imraat-ure sori. 

 Rather narrow and long tapering. 

 The extension of the stipe through an 



undivided blade. 

 Stem of a leaf. 

 With a stem. 



A primary division of a frond. 

 Plural for Pinna. 

 Blade cut to rachis. 



Blade cut to rachis and pinnae cut to 



midrib, 

 A division of a pinna. 

 The extension of the stipe through the 



blade. 

 An underground stem. 

 The chaff on stems of ferns. 

 One of the smaller divisions of a frond. 

 Without a stalk, 

 A group of sporangia, 

 A sac containing spores, 

 A minute reproductive body, in ferns 



single-celled. 

 Same as stipe. 

 Without spores. 

 The petiole of a frond. 

 Near to, but not reaching the end. 

 One of the small branches of the veins 



of a frond. 



