1720 Eu-Flortdeae, Corallinacese, Choreonema,. 



SCHMITZIELLA Born. et Batt. 118911 in Holin. & Batt. Rev. List. 

 p. 101, On Sclimitziella, a new Genus of endoph. Algae (Annals of 

 Botany vol. VI), p. 185, t. X (Etyni. genus clarissinio F. Schmitz, 

 botanico germanico, de Floridearum studio benemerito, dicatum), 

 Engl. & Prantl Natiirl. Pflanzenfam. (1897) p. 540. — Frons tenuis, 

 haud incrustans, endophytica, phina, membranacea, pseudoparenchy- 

 matica, venosa. Fructus sub cuticula Cladophoriv (in pustulis con- 

 ceptaculiformibus hemisphserico-depressis apice poro pertusis ele- 

 vata; evoluti, sparsi, minuti, pericarpio proprio clauso orl)ati, 

 soros nematheciosos formantes. 



Ohs. Cystocarpia nuda (pericarpio proprio carentia). Carpospor* 

 et tetrasporangia paraphysibus paucis immixta. Tetrasporangia zo- 

 natim divisa. Thallus constat nervis primariis e cellulis elongatis 

 pluriscriatis (2-8) longe excurrentibus formatis, secundariis mono- 

 siphoniis pinnalim egredientibus, alternis una cum praecedentibus 

 reticulum efficientibus, cujus maculae cellulis (ramulis) irregula- 

 ribus plus minus densis implentur. 



1. Schmitzielia endophloea Born. et Batt. in Gibson A revis. List of 

 Mar. AlgsB (1891) p. 110, Batters op. cit., Krythrocelis CladophorcB 

 Batt. herb. 



Hab. in frondibus Cladophorae pellucidae, quas haud in- 

 frequenter colore pulchre coccineo tingit, iu oceano Atlantico ad 

 littora boreo-occidentalia Galliae (Bornet) et Angliaj (Batters). — 

 Sporangia 20 ^^ 12, sporas 2-4 foventia. 



CHOREONEMA Schmitz [1889] Syst. Uebers. Florid. p. 21 (Etym. ab 

 auctore non exhibita ')), Engl. & Prantl Natiirl. Pflanzenfam. (1897) 

 p. 541, Endosiphonia Ardiss. [1388] Phyc. Medit. I, p. 450 (uon 

 Endosiphonia Zanard.j, Melobesice sp. Born. — Frons endophytica 

 et parasitica, filiformis, articulata, monosiphonia, nuda, calce indu- 

 rata, ramosa. Cystocarpia pedicellata, pericarpio subconico poro 

 pertuso munita. Fila sporifera brevissima articulata e fundo cysto- 

 carpii erecta in articulis superioribus pluribus carposporas rotun- 

 datas fere eodem tempore maturescentes foventia. Tetrasporangia 

 in pericarpiis (cystocarpiis conformibus itidemque apertis) evoluta. 



') Noraen generis utrum a choris (q. e. cimex) an a chore (q. e. pupilla) et 

 nenia (q. e filum) proveniat aut alienam etymologiam possideat, dijudicax-e non 

 audeo. 



