MOSSES WITH A HAND-LENS 



4u to 



: 



®r 



44WP 



Spores, small round bodies contained in the capsule, serving 

 the purpose of seeds, but in no way homologous with them. 

 (Fig. 43, e.) 



Spororogonium, the sporophyte or spore-bearing part of 

 the moss. 



Stegocarpous, having the capsule operculate. 



Stomata, pores in the walls of capsules, sur- 

 rounded by special guard -cells and serving the 

 same purpose as the stomata in the epidermis 

 of the leaves of the flowering plants. ( Fig. 44. ) 

 Struma, a goitre-like swelling on one side at 

 the base of the capsule. (Fig. 32.) 

 Slrumose, having a struma. 

 Sulcate, (capsule) deeply furrowed. (Fig. 

 39-) 

 Systilius, "the lid continuing fixed to the columella, 

 and thus elevated above the capsule when dry." (Fig. 

 37) 



Tes set late, checkered in little squares; applied par- 

 ticularly to the peristomes of some of the Tortulaceaj. 

 (Fig. 45-) 



Tooth, see under peristome. 



Trabcculate, (peristome teeth) with prominent trans- 

 verse bars. (Fig. 31.) 



Tumid, turgid, appearing as if swollen from 

 pressure within. 



Turbinate, top shaped; e. g., capsule of Br yum tur- 

 binatum. 



Umbonate, round with a projecting point in the 

 center. 



Urceolate, shaped like an urn or pitcher. 

 Vaginula, the cellular sheath surrounding the base 

 of the seta, originally the lower part of the archegonium. 

 Veil, the calyptra. 

 Ventricose, bulging on one side. (Fig. 46.) 



