(3) 



tralibus vel peripliericis, percurso, conflatae, adultae 

 esexuatae sporiferae. Sporae sine foecundatione directa 

 in planta adulta procrealae, sporangiis inclusae, aut 

 uniformes esexuatae aut hiformes sexuatae. Sporae uni- 

 formes germinantes prothallium organis generationis 

 sexualibus inslructum evolvunt. Sporae hiformes aut 

 macrosporas aut microsporas sistunt; macrosporae germi- 

 nantes prothallia archegonia ferentia procréant, micros- 

 porae antheridia evolvunt. Foecundatione directa sperma- 

 tozoidiorum ope instituta, e ccllula centrali archegonii 

 planta perfecta esexuata evolvitur. 



(Sporangia biformia ; sporae biformes .... Helerosporae. 

 (Sporangia uniformia ; sporae uniformes . . . Isosporae. 



Subregio I. Heterosporae Sachs Lehrb. der Botan., 

 2 Aufl., p. o24, exclusis Lycopodiaceis. — Sporae hifor- 

 mes, sporangiis hiformibus inclusae. Sporangia aut 

 macrosporangia aut microsporangia sistant ; macrospo- 

 rangia macrosporas, microsporangia microsporas gignunt. 



Classis I. 3Ia»*sigii€ëtes Trevis. Carestaea, miovo 

 génère di Andreàacee, negli Atti délia Societa italiana di 

 scienze naturali in Milano, XIX, — 1877. 



[Sporangia conccptaculis discretis inclusa . . Angiosporangiae . 

 Sporangia solitaria, conceptaculis discrelis 



nunquam inclusa Eleuthosporangiue. 



Subclassis I. A.sgiosporaugiiic Luerssen in Mittheil. 

 ans dem gesammtg. der Botan., 1, p. 404. — Sporangia 

 conceptaculis discretis inclusa. Macrosporangia macrospo- 

 ram solitariam, mamilla instruclam, continent ; microspo- 

 rangia microsporas numerosas gignunt. 



Ordo I. Salviniaceae Du Moi t. Anal, des familles, p. 67, — 1829. — 

 Conccptacula pedicello communi complura insidentia, unilocularia, 

 denique fatiscentia, biformia, alia (1-2) in receptaculo centrali columel- 

 laeformi dimidiato macrosporangia gerenlia, alia (9- 14-) microsporangia 

 continentia. 



