278 Aeeschougie^. Erythrodonium. 



Fl. Si/sf. 2^- -5)- Iii plexu nimirum nucleum ambiente, ])vx- 

 ter iila anastomosautia, cellulas breviores, intensius coloratas 

 et divisione endochromatis insignes in Areschougia vidi, quas 

 in Erythroclonio deficere credidi. Quid hse significent ignoro; 

 easdem vero in Erythroclonii speciehus postea (iuoque vidi. 

 Utrum sint in diversis speciehus magis evokitse, an a ma- 

 turitate fructus longius peracta earum prsesentia pendeat, di- 

 judicare non andeam. 



Ex altera parte Erythroclonium in multis Rhahdoniam 

 refert et species caute dignoscantur. Steriles praisentia aut 

 defectu axiHs siphonis; fertiles cystocarpiorum structura po- 

 tissimum diversse adpareant. 



* AxosiPHOx. Frondc teretiuscula moniliformitcr constricfa, 

 denmni inferne x)lus min.us ccmJescentc, vertlcillatim ad 

 - stricturas ramosa, ramis conformihus. 



1. E. ANGUSTATUM (Soud. iu Limima XXV j). 692) fere tota 



stricturis regularihus articulata, ad stricturas verticilla- 

 tim ramosa, ramis conformihus, duohus verticilh cujusque 

 majorihus quasi regulariter dehquescenti-dichotoma co- 

 rymhoso-fastigiata, articuhs anguste linearihus utrinque 

 pariter attenuatis, terminalihus elongatis saepius diametro 

 4 — Gplo longiorihus. Harv. Alg. austr. cxs. n:o 394. Kiit^-. 

 tah. Fhi/c. Vol. XIX tah. 37. Axosiplion verticillatus \ 

 Arescli. (fide Harv.). 



Nova Hollandia austrahs. 



2. E. SoNDEPJ (Harv. Tr. Ir. Acad. 22 p. 554) fere tota stric- 



turis regularibus articuhita, ad stricturas verticillatim ra- 

 mosa, ramis conformibus, intermedio verticilK cujusvis 

 prolongato quasi caulescente aut lateraHhus duobus (tri- 

 busve) majorihus quasi trichotoma, axi caulescente, arti- 

 cuHs superioribus obovatis, terminaHbus diametro 2 — 3plo 

 longioribus demum fertilibus cystocarpia aggregata ge- 

 rentibus. Harv. Fliyc. austr. tab. 8G. A Bhahdonia Son- 

 deri hsec caute distinguenda. 

 Nov. HoU. occidentaHs. 



3. E. MuELLERi (Sond. in Linn. h c. p. G92) inferne caule- 



scens subcontinua, superne stricturis regularibus articu- 



