OF WESTERN PEXXSYLVAXIA 361 



Pseudopodium, in Sphagmlm the false seta bearing the capsule; 

 in Aulacomnium. etc., a leafless seta-like branch bearing: 



gemmae. 



Punctate, marked with dots. 



Pyriform , pear-shaped. 



Quadrate, square. 



Radicles, rootlets or rhizoids growing out from the base of the 



stem. 



Radiculose, covered with radicles. 

 Ramose, branching. 

 Ramulose, bearing smaller branchlets. 

 Pepand, undulately or wavy-margined. 

 Reticulate, in the form of a net-work. 



Retort Cells, cuticular cells of Sphagnum having an outward- 

 curved apex. 



Retuse, with the obtuse apex slightly indented. 

 Rei'olnte, rolled backward from the margin. 

 Rci'olublc. curling off. as does the annulus of many mosses. 

 Rhomboid, diamond-shaped. 

 Rostcllate, short-beaked. 

 Rostrate, with a more or less long beak. 

 Rugose, wrinkled. 

 Rupestral, inhabiting rocks. 

 Scabrous, rough. 



Scarious, thin, dry, membraneous, but not green. 

 Sccuud, turned to one side. 



Segments, the main divisions of the inner peristome. 

 Serrate, with forward-projecting teeth. 

 Serrulate, minutely serrate. 

 Sessile, not stalked. 



Seta, the stalk or pedicel bearing the capsule. 

 Setaceous, bristle-like. 



Sheathing, applied to perichaetial leaves which wrap around the 

 seta or ordinary leaves wrapping around the stem. 



Sinistrorse, twisted to the left, as is the case with the threads of 

 the rather-rare "left-handed" screw or bolt. By some 

 authors used in the opposite sense. 



Sin nose, wavv. 



Spatulate, spatula-like, bluntly and narrowly obovate and quite 

 attenuate downwards. 



Spinulose. furnished with small spines. 



Sporangium, usually synonymous with capsule. 



Sporophyte, the spore-bearing generation of the moss arising 

 from the fertilization of the archegonium and known also 

 as the sporogonium, usually consisting of foot, seta, and 

 capsule. 



Squarrose, spreading abruptly and widely. 



