322 



HEPATIC^. 



6. Fecundated (not central) pistillum. 



7. Young seta. 



8. Another Pistillum enlarged, but containing no separ- 

 able body, style lacerate at apex. 



Systasis. PI. LXXV. A. Fig. III. 



a. Plant, nat. size. 



b. Female flower. Perianth now of confervoid filaments united 

 at the base. 



c. Pistilla separated. 



d. Perianth separated. 



e. Long section of young fruit, cut through the involucrum and 

 perianth. 



/. Apex of seta. 



g. Young fruit and its calyptra. 



h. Portion of upper part of involucrum. 



i. Capsule. 



j. Portion of its parietes, inner surface. 

 k. h. Sporula, J, 1-16 M. 

 I. Elatere, \. 



m. One end of Do. 1-16, no. membrane. 



n. Long section of involucre and perianth after destruction of 

 upper part of seta and capsule, shewing the perforation of the 

 Calyptra. The seta should be withered. 



0. Seta of the same. 



Explanation of the same figure. (PI. XXV. A. III. Fig.) 

 but in somewhat different words 



a Plant natl. sixe, bit of. 



b. Longitudinal section of the female flower. 



c. Group of pistilla separated, central one fecundated. 



d. Involucellum, or rather Perianthiura. 



e. Long section through a bit of the frond, involucrum and peri- 

 anthium. Capsule and its vaginulate musciform seta iu situ, for the 

 most part contained in the Calyptra. 



f. Apex of the seta. 



g. Calyptra or pistillum, and the capsule or theca detached, apex 



