GLOSSARY. 



Palmaiiful. Palmately cleft. 



Papilla, pi. papilla. A nipple-like pro- 

 jection. 



Papillate. Bearing or resembling pa- 

 pilla?. 



Papillose. Bearing papillae. 



Paraph y 368. Sterile filaments accompa- 

 nying asci and other reproductive 

 bodies. 



Parasitic. Growing on or in a living 

 plant or animal, and gaining suste- 

 nance at its expense. 



Parenchymatous. Having the structure 

 of ordinary pith or parenchyma. 



Patelhej'orm. Disk-shaped or plano- 

 convex, like the patella, or knee-pan. 



Pedicillate. Stalked. 



Peltate. Shield-shaped, attached by a 

 point of its lower surface. 



Pendulous. Hanging more or less as if 

 from weakness of its support. 



Percurrent (costa). Extending through 

 the entire length of the leaf. 



Perichxtium. The cluster of leaves at 

 the base of the capsule, when sessile, 

 or of its stalk. 



Peridiolum, pi. jieridiolce. Small per- 

 idia enclosed in a general covering. 



Peridium. The general covering of a 

 Gasteromycete. 



Peristome. The fringe of teeth, etc., at 

 the orifice of the capsule. 



Perithecium. The hollow receptacle 

 containing the hymenium in angiocar- 

 pous Lichens and in certain Fungi. 



Persistent. Remaining unchanged for 

 a considerable time after reaching 

 maturity. 



Phyllome. That part of a plant which 

 answers morphologically to leaf. 



Pileate Having the form of a cap or 

 pileus. 



Pdeus. The cap-like portion of a Fungus, 

 that part which bears the hymenium. 



Pinnattly. With the parts disposed to 

 the right and left of an axis, as barbs 

 from the shaft of a feather. 



Plant (in Mosses). Refers especially to 

 the portion with stem and leaves. 



Plasmodium. The slimy naked mass of 

 protoplasm forming the vegetative 

 stage of Myxomycetes. 



Plicate. Folded into plaits, usually 



lengthwise. 

 Plurilocular. Consisting of several 



cells. 



Podetium, pi. podetia. The erect stalk- 

 like portion of the thallus in many 

 Lichens. 



Polar-bilocular. With two minute cells, 

 one at each pole. 



Porose. Pierced with small holes or 

 pores. 



Proliferous. Bearing progeny in the 

 way of off-shoots. 



Proper (exciple). Similar in color to 

 the hymenium, different in texture 

 from the thallus. 



Pulcinate. Forming a cushion-shaped 

 nia>s. 



Punctate. Dotted. 



Putrescent. Soon decaying after having 

 reached maturity. 



Pyriform. Pear-shaped. 



Quadrilocular. Four-celled. 



Radicles. Hair-like bodies taking the 



place of roots. 

 Radiculose. Covered with radicles. 

 Receptacle (in Thallophytes). A little 



chamber containing reproductive 



organs. 

 Revolute. Rolled backwards. 



Saprophytic. Growing on or in dead 

 organic substances and gaining sus- 

 tenance therefrom. 



Scar ions. Thin, dry and membra- 

 naceous. 



Secund. When parts or organs are all 

 directed to one side. 



Serrate. Beset with teeth that point 

 forward like those of a saw. 



Sessile. Without a stalk. 



Sinuate. With a strongly wavy margin. 



Sinuous Bending in and out, serpen- 

 tine or undulating in form. 



Spatulate. Shaped like a druggist's 

 spatula, oblong, with the lower end 

 attenuated. 



Sporangium. A spore -case. In Mosses 

 it is often much smaller than the cap- 

 sule containing it. 



