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This eBook from the Gutenberg Project consists of approximately 72 pages of information about The Fern Lover's Companion.
PINNATIFID.  Having the divisions of the frond
              extend halfway or more to the
              rachis or mid vein. 
PINNULE.  A secondary pinna.  In a bipinnate
              frond one of the smaller divisions
              extending to the secondary midvein. 
PROCUMBENT.  Lying on the ground. 
PROTHALLIUM. (Or prothallus.) A delicate, cellular,
              leaf-like structure produced
              from a fern spore, and bearing the
              sexual organs. 
PTERIDOPHYTA.  A group of flowerless plants embracing
              ferns, horsetails, club mosses, etc
PUBESCENT.  Covered with fine, soft hairs; downy. 
RACHIS.  The continuation of the stipe
              through the blade or leafy portion
              of the fern. 
REFLEXED. Bent abruptly downward or backward. 
RENIFORM.  Kidney-shaped. 
REVOLUTE.  Rolled backward from the margin or apex. 
ROOTSTOCK. (Or rhizome.) An underground
              stem, from which the fronds are produced. 
SCAPE.  A naked stem rising from the ground. 
SEGMENT.  One of the smaller divisions of a
              pinnatifid frond. 
SERRATE.  Having the margin sharply cut into
              teeth pointing forward. 
SERRULATE.  The same only with smaller teeth. 
SESSILE.  Without a stalk. 
SINUS.  A cleft or rounded curve between two lobes. 
SINUATE.  With strongly wavy margins. 
SORUS A cluster of sporangia; a fruit dot.
(plu.  SORI). 
SPATULATE.  Shaped like a druggist’s spatula or
              a flattened spoon. 
SPIKE.  An elongated cluster of sessile sporangia. 
SPINULOSE.  Spiny; set with small, sharp spines. 
SPORANGE (plu.  A spore case.  A tiny globe in which
  SPORANGIA). the spores are produced. 
STIPE.  The stem of a fern from the ground
              up to the leafy portion; the leaf stalk. 
STOLON.  An underground branch or runner. 
SUBULATE.  Awl-shaped. 
TERNATE.  With three nearly equal divisions. 
TRUNCATE.  Ending abruptly as if cut off. 
TUFT.  Things flexible, closely grouped into
              a bunch or cluster. 
VENATION.  The veining of a frond or leaf. 
VERNATION.  The arrangement of leaves in the bud. 
WHORL.  A circle of leaves around a stem. 
WINGED. Margined by a thin expansion of the rachis.

NOTE

The student should have some idea of the terms genus, species and variety, although they are not capable of exact definition.

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