KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND. 20. N:0 5. 16] 
Localities: The Greenland Sea: at two or three places on the north and west 
coasts of Spitzbergen. 
Kallymenia septemtrionalis nob. 
Fronde callo radicali minuto affixa, stipite brevissimo, eramoso, lamina vulgo usque a primo initio orbi- 
culari vel late reniformi, longitudine circa 6 cm. attingente subcarnoso-membranacea, crassitudine 100 a, in 
statu adultiore parce vage lobata, lobis varie forme at semper basi latis, numqvam foliola propria stipite suffulta 
constituentibus, margine integerrimo vel leviter crenulato; colore planta Sarcophyllidi eduli simillima, sanguinco 
purpurea. Tab. 14, fig. 4—6. 
Syn. Halymenia rosacea KyeLLM. Spetsb. Thall. 1, p. 24; ex parte. 
Kallymenia reniformis CroaLu, Fl. Disc. p. 459 (%). 
» » Kyetim. Algenv. Murm. Meer. p. 20. 
» » KuiEEN, Nordl. Alg. p. 18. 
Remark on the species. It seems to me probable in the highest degree that the 
species of Kallymenia occurring in the Polar Sea, called A. reniformis by Kiren and 
formerly even by myself, is not identical with the species of this name occurring farther 
to the south, but rather a northern species differing from it in the shape of the frond, 
in colour and in consistency. 
The arctic form does not apparently attain any considerable size. The largest 
specimen I have seen is one taken by Kiren at Nordlanden and figured by me in pl. 
14 fig. 5. It is 6 cm. in length by 7 cm. in breadth. Individuals almost as large as 
this have been collected by me on the west coast of Novaya Zemlya and at Spitzbergen. 
‘These appear to be full grown. The stipe is always very short, sometimes impercep- 
tible. The lamina, even when very young, that is to say, when it has a length of 1—2 
mm., is circular or reniform, rarely broadly ob-ovate; fig. 4. It becomes lobate only 
after having attained a more considerable size. The lobes are of different shape and 
size, but yet always have a broad base, being never sharply divided from the main 
lamina, as is the case in Kallymenia reniformis. It is distinguished from this species 
at first sight by means of its colour, which is the same as in Sarcophyllis edulis, in 
young individuals possibly somewhat darker than in this alga. This tone of colour is 
generally designed as »sanguineo-purpureus». According to J. G. AGarpu the thallus 
of K. reniformis is »pulchre coccineus», which seems to me to be the colour also of the 
figure of the species in Harvey's Phyc. Brit., although it is said in the description to 
have the same colour as Sarcophyllis edulis i. e. blood-red. Even in respect to consi- 
stency the northern species appears to differ from the more southern, the former being 
membranaceous, slightly fleshy. A. reniformis is stated to be »gelatinoso-carnosa» (J. G. 
Ac. Spec. Alg.), »gelatinoso-membranacea» (J. G. Ac. Epicr.), »thickisk-membranaceous» 
(Harv. Phyc. Brit.) ete.; accordingly A. reniformis is in general thicker and more fleshy 
than K. septemtrionalis. In this species the central layer of the frond is feebly deve- 
loped. The cells are few, the mass of gelatinous substance is considerable, the middle 
layer is distinct, more strongly developed in younger than in older individuals. The 
‘) 
K. Vet. Akad. Handl. Band. 20. Nio 5. = l 
