272 GLOSSARY 



Gemmae. Small bud-like bodies capable of reproducing 



the plant. 

 Glaucous. Whitish, covered with a bloom. 

 Habitat. The natural locality of a plant. 

 Hair-like. Without perceptible width. 

 Inclined. Between erect and horizontal. 

 Irregularly-branched. Not regularly pinnate, bipinnate, 



tripinnate, or tree-like. (Plate II, Fig. 6.) 

 Lamellae. Thin plates of tissue. (Plate VII, Figs. 2b, 3.) 

 Lateral. Coming from the side. 

 Lobed. Divided into broad parts. 

 Mature. Ripe. A plant, capsule, or fruit is described as 



mature when the spores are ready to be dispersed to 



develop new plants. 

 Mitrate. Like a beaked cap, symmetrical. (Plate IV, 



Fig. 18.) 

 Mouth. In reference to the capsule, the opening under the 



operculum. 

 Neck. In reference to the capsule, the lower portion just 



before it joins the seta. 

 Obsolete. Not distinct, rudimental. 

 Operculum. The Hd or cap of the capsule that covers the 



peristome and that becomes separated and falls off when 



the spores are mature. (Plate IV, Fig. i.) 

 Perichaetium. Special leaves or bracts enclosing the fertile 



flower and often surrounding the base of the seta. 

 Peristome. The fringe surrounding the mouth of the cap- 

 sule beneath the operculum. (Plate IV, Fig. 2; Plate V, 



Fig. 6; Plate VI, Fig. 2; Plate VII, Fig. 4.) 

 Pinnate. With branches on either side of the stem in two 



opposite rows. (Plate II, Fig. 2.) 

 Pleurocarpi. Pleurocarpous mosses. 

 Pleurocarpous. Having the fruit lateral on the stem or 



branch. (Plate I, Figs. 4, 5.) 



