GLOSSARY 



Acrocarpi. Acrocarpous mosses. 



Acrocarpous. Having the fruit at the tip of the stem or of a 



well-developed branch. (Plate I, Pigs, i, 2, 3.) 

 Barren. Not bearing fruit. 

 Bipinnate. Twice pinnate. Having the pinnate branches 



branched again. (Plate II, Fig. 3.) 

 Calyptra. The thin veil or hood covering the operculum or 



lid of the capsule. (Plate IV, Fig. i.) 

 Capsule. The small sack containing the spores, often 



spoken of as the fruit. (Plate I, Fig. i ; Plate IV, Fig. i.) 

 Cleft. Cut into or divided. 

 Clustered. Collected into a bunch. When two or more 



setae arise from the same perichaetium they are de- 

 scribed as clustered. 

 Costa. Midrib of a moss leaf. 

 Crisped. Curled up, twisted or wTinkled. 

 CucuUate. Hood-shaped. (Plate IV, Fig. 17.) 

 Drooping. Hanging down. 

 Erect. Upright. Leaves are described as erect when they 



are nearly parallel to the stem. 

 Exserted. Projecting beyond some other part. 

 Fertile. Bearing fruit. 

 Flagella. Very fme string-like branchlets. (See Dicranum 



Jla(^cllare, Plate V, Fig. 2a.) 

 Forked. Divided at the tip. (Plate II, Fig. i.) 

 Fruit. Same as capsule, the sack containing the spores. 

 Fruited. Bearing fruit. 

 Fruit-stalk. The seta or stem of the fruit. (Plate I, Fig. i.) 



