KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 63- N:0 8. 41 



I ha ve seen authentic material of this; it has the structure of Phycodrys and very likely 

 belongs to that genus. In Sp. Alg. III Eryihroglossum formed the section Stenoglossum, 

 of Delesseria s. 1. The first species mentioned is E. Schousboei J. Ag., figured in Florid. 

 Morphol. t. 26, f. 12 — 17. This is perhaps a Phycodrys, but no safe conclusion can be 

 drawn from Agardh's figures. I know very little about the other species; the brief descrip- 

 tions do not allow me to locate any of them as belonging to Anisocladella. Agardh 

 compared Eryihroglossum, with Hypoglossum and Apoglossum, two quite different types. 

 Distribution: S. Georgia. 



Nitophyllum-group . 



Platyclinia J. Ag. 



P. fuegiensis nov. spec. — Fig. 18. 



Syn. Nitophyllum Grayanum, Kylin & Skottsb. p. 32 non J. Ag. Sp. Alg. III 

 p. 449, III: 3 p. 42. 



Fröns habitu Nitophylli sect. Aglaophylli, breviter sed distincte stipitata (stipite 

 4 — 6 mm longo), elliptica-suborbicularis, margine saepe plicata et lacerata nec non pro- 

 funde et irregulariter fissa, 6 — 7 cm longa ac fere lata (vel angustior), basi cuneata, ima 

 basi conspicue costata, nervö simplici vel ramoso supra basin mox evanescente et inter- 

 dum haud distincto. Proliferationes e stipite et lamina adulta ortae, minimae crescentiam 

 apicalem distincte monstrantes. Cystocarpia per frondem sparsa, valde prominentia, 

 structuram Nitophylli praebentia. Tetrasporangia soros ambitu maxime irregulares 

 subconfluentes supra frondem sparsos formantia, 60 — 75 ;j. diam. Planta mascula ignota. 

 Structura anatomica frondis ut pro genere descripsit nec non depinxit J. Agardh. Color 

 carneus. 



North of Staten Island, near Observatory Islet, sublit. on calcareous 

 algae, 36 m, gra vel and pebbles (St. 1, 6. 1. 1902, ?, ©). 



As my specimens agree with the description of N. Grayanum, they were identified 

 with this. Låter I ha ve seen Agardh' s type (Falkl., Capt. Abbott 1859); this is differ- 

 ent and seems to belong to Nitophyllum. Probably it is the same as one of Hooker's 

 species, but as all the material consists of one small frond, I leave this question open. 

 Agardh brought it to sect. Myriogramma (1. c. III: 3): »fronde .... soris vix rite 

 limitatis fere diversiformibus, nec ordine certo per paginas sparsis, quasi litteris, in- 

 scripta». This description fits my plant very well, but the original diagnose of N. 

 Grayanum does not speak of any irregular sori, looking like letters, but simply »soris 

 minutis rotundatis per totam frondem sparsis», exactly as they are in Agardh's type 

 specimen. I cannot explain this discrepance. 



The tip of the smallest proliferation that I ha ve seen (fig. 18 a) suggests the Delesse- 

 na-type, but the activity of the top-cell is not of very long duration, and the regular 

 arrangement of the cells cannot be traced very far down (fig. 18 b). Still, the difference 

 from Nitophyllum is not to be overlooked, and the anatomy of the frond is decidedly 



K. Sv. Vet. Akad. Handl. Band 63. N:o 8. 6 



