234 Confervoidecoe, ChroolepidaCeso. 



Familia VIII. CHROOLEPIDACBiE (Rabenh.) Borzi. 



Chroolepidacece Rabenli. [I8G8] Fl. Eur. Algar. III, p. 371 {Cliroolepidete) eui. 



Borzi [1883] Stiuli algologici fasc. I, p. 25. 

 Trentepohliacece De-Toni [1888] Consp. gen. CUloroph, in Notarisia III, n. 10, 



p. 449. — rrenlepohliacece Hansg. [1888] in Flora 1888, p. 222 excl. jr^- 



coideaceis. 



Tliallus e filamontis articulatis, latoraliter vel repetite dichotome 

 aut irregulariter ratnosis (rhizoidibus pilisque hyalinis nullis) con- 

 stitutns; cellulse membrana homogenea praeditae, uninucleata^; chlo- 

 rophora parietalia, lamini- vel disci-formia, s.epe (in generibus aero- 

 philis) ex parte vel omnino globulis rufo-aurantiacis, hajmatochro- 

 maticis obtecta. 



Propagatio zoogonidiis biciliatis, numorosis (20-60 et ultra) in cel- 

 lulis plerumque plus minus a ceteris vegetativis magnitudine et for- 

 ma diversis (zoogonidangiis) ortis, parthenogonetice germinantibus vel 

 copulatione peracta zygotum efficientibus (Cfr. infra). 



Propagatio etiam acinetis (e cellulis vegetativis eff"ormatis) mox 

 vel post quietis periodum germinantibus '). 



Generatio (in geiieribus Cicnoclado, Trcnlepohiia et Lepfof^rrn) 

 zoogonidiis inter se peculiari modo copulantibus et tunc zygotum ef- 

 ficientibus. 



Conspectus Generum 2) 



.4. Genera aerophila. 



* Cellulae vegetativaj hasmatochromatc plus minus conspicue praBtlita^. 

 Trenlepohlia. Thallus aeropliilus, saxi-vel ligni-cola: chloropliora miiiuta, 



disciformia, pyrenoidibus destituta. 

 ** CelluliB vegetativffi ha?matochromate carentia. 

 Trichophilus. Thallus parasiticus (in pilis Bradyporum); chlorophora minu- 

 tissinia, disciformia, pyrenoidibus destituta. 



B. Genera hydrophila (vel halophila), iutra celltdas vcgetativas hie- 

 matochroma haud foventia. 



* Genera hydrophila. 



Ctenoclaclus. Macro- et micro-zoogonidia directe gorminantia; oxtant etiani 

 zoogonidia inter se copulantia. 



1) Cfr. Wille Algologischc Mittheilungcn p. 503-504. 



2) Diagnosin generis Chlorothamnion Rorzi ndiii l)encvolc a cl. auctore 

 solo nomine in litteris communicati (('fr. Conspectus gcnorum ('lorophycea- 

 rum omnium hucusque cognitorum in Notarisia 111, n. 10, p, 419)auetori ipso 

 frustra pluries quccsivi ita ut in pra-scnti volumine tantnm nonicn citaro 

 possum. 



