Eu-Florldese, Chantransiae, Cliantransia. 67 



CHANTRANSIA (DC.) Sclimitz [1889] Syst. Uebors. Florid. pag. 4 

 ;I'^tym. m claro Giuod-Ciiantrans), Born. & Thur. Not. al^^ol. I, p. 

 1(1, t. V, Ardiss. Pliyc. Medit. I, p. 275, Murr. & Bartou iu Journ. 

 I.iun. Soc, Bot., XXVIII (1890), p. 209, Schmitz & Haupttl. in Eugl. 

 & Prantl Natiirl. Ptlanzeufam. 141, p. 331 [noii Chantransia Fries 

 [1825] quae Audouinellw sp. ainplectitur], Trentepohlia Harv. [1836] 

 in Maclc. Fl. Hibern., Aresch. Pliyc. Scand. mar. p. 115, Pringsh. 

 Beitr. Morph. Meeresalg. p 26, Farl. Alg. of New England p. 108, 

 [non Martius [1817] quoe Chroolepidacearum genus sistit], Acrocha3- 

 tium Naeg. [1844] Cfr. J. Ag. Anal. algol. (1892), p. 48, Callitham- 

 nii sp. auct. — Frons epiphytica, filiformis, irregulariter ramosa, 

 articulata, monosiphonia, nuda, ramis sape in pilum deciduum 

 abeuntibus, primariis subinde rhizoidibus deorsum corticatis. Cysto- 

 carpia, antheridia et sporangia in diversis individuis obveuientia. 

 Cystocarpia ad ramulos singula, nuda, fllis articulatis subcorymbosis 

 in articulis terminalibus carposporas singuhis rotundato-oblongas 

 foventibus constituta. Sporangia indivisa (rarius composita) termi- 

 nalia aut iuteriore latere ramulorum sparsa aut aggregata. Anthe- 

 ridia locum sporaugiorum tenentia, thyrsoidea, e cellulis minutis- 

 simis globosis hyaliuis constituta. 



Ohs. Nomen primitus ab illustri De CandoIIe (FI. Franc. II, p. 

 49) propositum at limitibus omnino diversis, dein a Fries (Pl. ho- 

 monema3 p. 338) pro nonnullis formis chantransioideis aquae dulcis, 

 status evolutiouis Batrachospermi sistentibus (Audouinella Bory) 

 usurpatum, hic sensu clari Schmitzii reformatum adoptandum 

 censeo. 



1. Chantransia efflorescens (J. Ag.) Kjellm. Alg. of Arct Sea p. 129, 112 

 Grau Christianiafjord. iVlgefl. p. 19, t. 1, f. 1-3, CalliUiamnion 

 efflorescens J. Ag. Sp. II, p. 15, Epicr. p. 10, Cliantransia Da- 

 viesii var. a Aresch. Enum. p. 117, t V, D. — Frondibus ca3- 

 spitulosis , quasi minutis penicillis constitutis , fihs tenuissimis 

 strictiusculis vage ramosis, ra.mis inferioribus longioriljus, supe- 

 rioribus sensim brevioribus , patentibus, subsecundatis, articulis 

 diametro 6-8-pIo longioribus, ramulis fructiferis abbreviatis sparsis 

 demum corymbosis, sporangia in articulis moniliforinibus seriata 

 gerentibus. 



Hab iu frondibus Cystoclonii purpurascentis in sinu Codano 

 (Areschouct, J. Agardh); in eadem uratrice ad « Gay Head » Americse 

 (Farlow); iu frondibus Desmarestiw aculeatm, Polysiphonice elon- 



