GLOSSARY. 
ACUMINATED : produced into a long slender point. 
AIR-VESSEL : a hollow portion of a plant filled with air. 
AMORPHOUS: indefinite shape. 
ANASTOMOSE : to unite by growth into another body. 
ANTHERIDIA: ? , . . 
ANTENNAS* ( described in the introduction. 
APEX, pi. Apices : the top or tips. 
ARTICULATED: having the appearance of joints. 
AXIL : the angle formed by branching or dividing. 
AXIS: the central column of stem or branch. 
BASE : the bottom. 
BRANCHLET: the ultimate division or branch. 
CALCAREOUS: formed of carbonate of lime. 
CAPITATE : terminating in a knob. 
CAPITULUM : a terminal knob. 
CAPILLARY: very slender, like human hair. 
CAPSULE: a spore case, or the capitulum of antheridia. 
CARNOSE: fleshy, feeling like flesh. 
CARTILAGINOUS: like gristle. 
CELLULAR STRUCTURE: constructed of cells like a honeycomb. 
CERAMFDIUM: a particular kind of fruit containing a tuft of 
spores rising from base. 
CILIA : like very fine hairs. 
CIRRHOUS : like the tendrils of a vine. 
CLAVATE : shaped like a club, small at bottom and large at top. 
COMPRESSED : as if a cylinder were partly flattened. 
CONCEPTACLE: a hollow case containing a cluster of spores. 
CONSTRICTED: drawn together as if tied by a string. 
CONTINUOUS : without interruption or joints. 
CORIACEOUS: the substance of, or like leather. 
CORNEOUS: like horn. [rate branch. 
CORYMBOSE: when ramuli form convex surfaces with each sepa- 
COSMOPOLITAN : growing in many parts of the world. 
CRUCIATE : shaped like a cross. 
CRUSTACEOUS : hard and expanded like a crust. 
DECUMBENT: lying flat. 
DEELEXED: bent downwards. 
DENTICULATED: having projections like teeth. 
DICHOTOMOUS: repeated forkings, each dividing into two parts. 
DISSEPIMENT: the membrane that connects two joints or articu- 
DISTICHOUS: in two opposite ranks. [lations. 
ELLIPSOIDAL : resembling, though not an oval. 
ELLIPTICAL: oval not ovate. 
EMBRYO: the young plant, or germ in the seed. 
ENDOCHROME : the colored matter in the cells. 
EPIDERMIS: the outer skin. 
FALCATE: shaped liked a sickle. 
FAMILY: a collective group of genera. 
FASICULATE: tufted. 
FASTIGIATE: when the branches are nearly parallel, as in the Lom¬ 
bardy poplar, and level at top. 
FAVELLA : a form of fruit like ceramedium. 
FAVELLIDIUM: a favella immersed beneath the epidermis. 
FIBRO-CELLULAR : firm and elongated cells strung together. 
FILAMENT: a string of cells. 
FILIFORM: slender and cylindrical like thread. 
FLACCID : without stiffness, limp. 
FLEXUOUS: bent from side to side. 
FUSIFORM: like a rolling-pin, thick in the middle. 
GELATINOUS: like jelly. 
GENUS : a collective group of species. 
HABIT : the general appearance of a plant. 
HABITAT: the place of growth. 
HOMOGENEOUS: having a uniform structure. 
HYALINE: transparent like glass. 
IMBRICATED : overlapping at the edges. 
INARTICULATE : without apparent joints or interruptions. 
INFLATED : swollen as if puffed out with air. 
INTERNODE : the space between two joints. 
INVOLUTE: rolled inwards. 
IRIDESCENT : reflecting changeable colors; 
LANCEOLATE : like the head of a lance. 
LEVEL-TOPPED : same as fastigiate. 
LINEAR: long and narrow. 
YiOBE: a part deeply cut or indentated. 
MEMBRANACEOUS: thin, filmy, tender, but not gelatinous. 
MONILIFORM : like a string of beads. 
MUCUS : organic gelatine or slime. 
NEMATHECIUM: a wart like protuberance. 
NODOSE: swollen joints. 
OPAQUE : reverse of hyaline. 
ORBICULAR: circular, round. 
OVATE : like the outline of an egg. 
PALMATE : divided into lobes, like a hand into fingers. 
PAPILLATED: covered with wart-like prominences. 
PARASITE: ? growing on another plant, though not known to 
PARASITIC: ) derive any nourishment from it. 
PECTINATED: arranged like the teeth of a comb, or the antennae 
of a moth. 
PEDICEL : the stalk of the fruit. 
PERICARP: the walls or case of fruit, the seed vessel. 
PINNA : one of a series of distichous branchlets. 
PINNULE: a secondary pinna. 
PINNATED: with distichous leaves or branchlets, ranged like the 
plumes of a feather. 
PINNATIFID : deeply incised in a semipinnate manner. 
PLACENTA : the part to which the spores are attached. 
PLUMULE: a pinnated branchlet. 
POLYGONAL: having many angles or sides. 
POLYMORPHOUS: assuming many shapes. 
PROLIFIC: yielding abundantly. [one. 
PROLIFEROUS: when a new leaf or branch springs out of an old 
QUADRIFAROUS: spreading on all sides of a stem. 
RADICLE : the fibrous part of a root. 
RECEPTACLE: an internal fruit case. 
RETICULATED: marked with lines like the meshes of a net. 
RET1FORM: like network. 
REVOTULE : rolled back. 
SECUND : arranged along one side only. 
SERRATED: the edges toothed like a saw. 
SESSILE: having no stalk on the outside. 
SETACEOUS: equal to a hog’s bristle. 
SETIFORM : like a hog’s bristle. 
SILICULES: pod-like fruit. 
SINUATED: numerous indentations in the margin. 
SORUS, pi. Sori : a cluster of spores. 
SPORACEOUS *• convertible into spores. 
SPORE : the seed or germ. 
STICHIDIA : pod-like cases containing tetraspores. 
STIPITATE : having a stem or stalk. 
STRIA: a narrow line or mark. 
SUBULATE : shaped like an awl. 
TENTACULAR : long and slender like the tentacula of a snail. 
TERNATE: in threes. 
TETRASPORE : a spore dividing at maturity into four parts. 
TRICHOTOMOUS: dividing continually into threes. 
TRUNCATE: terminating abruptly, as if broken off. 
WHORLED: surrounding a branch in a ring. 
ZIGZAG : bent from side to side. 
ZOOSPORES : spores which have a power of locomotion. 
