Eu-Floridese, Griffithsieee, Griffithsia. 1277 



6. Griffithsia Duriaei Mont. Fl. Alg. p. 113, Syll. p. 447, J. Ag. Sp. II, 1991 

 p. 80, Kuotz. Tab. Phyc. XII, pag. 11, tab. 32, f. d-e. — Fronde 

 ca^spitosa, tenui, dichotoma fastigiata, apicibus ingequaliter furcel- 

 latis acutis, segmentis patenti-erectis, articulis cylindraceis diame- 

 tro 2-4-plo longioribus, geniculis sequalibus. 



Ilab. in Gelidio corneo ad «La-Calle» Algeriae (Durieu). — 

 Caespites densos in aliis Algis efficit. Frons 2,5 cm. longa et ultra, 

 intricata, capillaris, basi 150 p. apicem versus 100 j. crassa, di- 

 chotoma, fastigiata, axillis omnibus angulo 45° patentibus. Segmen- 

 torum extreinorum apices inoequaliter furcati, altero scilicet semper 

 breviore, acutissimi fere subulati. Articuli diametro 2-4-plo ad 

 summum longiores. Genicula nec constricta, nec manifeste prostan- 

 tia. Color roseo-coccineus. Cum Grifflthsia furcellata colore et 

 ramificatione convenit, sed fllis crassioribus, articulis dimidio bro- 

 vioribus segmentisque distantibus recedit. A Gri/fithsia tenut 

 ramificatione regulariter dichotoma et segmentis distantibus differt. 



Sect. II. Sphondylocladia Ardiss. Phyc. Medit. I, p. 82, Ascocladium Naeg. Beitr. 

 Ceram. (1861) p. 159 p. m. p., II ' eterosphondylium Naeg. Beitr. Ceram. (1861) 

 p. 162. — Involucra tetrasporangiorum ramellis simplicihus abbreviatis in- 

 curvis constantia, circa genicula frondis verticillatim disposita. 



7. Griffithsia ovalis Harv. in Tr. Irish. Acad. Vol. XXII, pag. 539, 1992 

 Phyo. Austr. t. 203, J. Ag. Epicr. p. 63. — Fronde crassissima, 

 regulariter di-trichotoma subfastigiata, segmentis erecto-patentibus, 

 articulis inferioribus clavatis, superioribus ellipsoideis diametro 

 3-4-plo longioribus, fertilibus conformibus, tetrasporangia ad ge- 

 nicula aggregata pedicello tenuiore quasi heterogeneo suffulta ge- 

 rentibus, involucro fere nullo. 



Hab. in foliis Zosterge pr. « King George's Sound » ad oras 

 Nova3 Hollandia3 occidentalis (Harvey). — Frondes subsolitariae o 

 radice discoidea exsurgunt 2-5 cm. circiter alt;e, ambitu flabelli- 

 formes, subfastigiata?, di-trichotomae. Articuli majores 3 millim. 

 et ultra lati, ad genicula valde constricti, inferiores clavati vcl 

 piriformes, medii obovati oblongive, superiores ovales, tcrminales 

 primum globosi, dein ovales. Tetrasporangia ad genicula superiora 

 circumcirca provenientia, vix involucro proprio cincta at potius 

 ramellis valde abbreviatis concomitata. Color pallide rubor. Sub- 

 stantia mollis; specimina exsiccatione chartae arcte adhnerent. Ad 



