Plia3ozoospoi'inuj, Kuc^rliaccae, Myclopliycus. 483 



(le.s/)ios lascia), Notarisia 1886, pag. 144, Kjollm. Handbok I, 

 pag. 58, Engl. ct Pratitl Natiirl. Pflanzenfaiu. 80. Lief. pag. 202, 

 De Toni Syst. Uebors. Fucoid. 1891, p. 180. — F^rons clavoe- aiit 

 fascia^forniis, callo radicali discoideo adfixa, inferne in stipitem soli- 

 dum al)iens, supcrne cava, duobus stratis constructa, quorum in- 

 terius constat e cellulis longitudinalibus membranis crassioril)us, 

 exterius e filis transversalibus subdichotomis cellularum parietibus 

 lateralibus gclatinosis pseudoparenchymatice coalitis pra^ditis, in 

 mcmbranam epidcrmaticam arcte conjunctis; sporangia solitaria, 

 Ovata,, inter extrema filorum segmcnta sessilia; paraphyses nulla3. 



1. Coiloclesme buliigera Stroemf. Isl. Algveget. p. 48, t. 2, f. 9-12, sm 

 Foslie Contrib. I, p. G4. Kjellm. Handb. I, p. 58, Roscnv. Groenl. 

 Havalg. p. 802. — P'rondibus Cccspitosc confertis, eximie stipitatis, 

 primitus clavajformibus, dein laminariaeformibus margineque un- 

 dulatis. 



Hab. saxis adnata, ad «Holmancs, Eskifjordur» Islandiae orien- 

 talis (Stroemfelt), ad oras Finmarchia^ orientalis (Foslie) et Groen- 

 landia? (Rosexvinge). — Frondes 10-15-40 cni. altcie, 1-5 cm. latee, 

 sporangia 20-35 ^ 15-20. 



2. Coilodesme californica (Rupr.) Kjclhn. in Engl. & Prantl Natiirl. ?05 

 Ptlanzenfam. 80. Lief. p. 202, Alg. Slagt. Adenocystis p. 20, f. 1-8, 

 Adenocystis [Lessonii var. ?) californica Rupr. Tange Ochot. p. 291. 



— Fronde forma admodum varia, brcvc stipitata, lamina piriformi, 

 clavata, nonnumquam passim dilaccrcata. 



Hab. in frondibus C y s t o s e i r cT- o s m u n d a c c oe in occano Pca- 

 ciflco boreali ad oras Californiie (Ruprecht). — Forsan huc pertinet 

 Pimctaria Winstoni Anders. 



MYELOPHYCUS KjcIIm. [1893] in Engl. & Prantl Natiirl. Pflanzen- 

 fam. 80. Lief. p. 202, Om Fucoidcslagtet Myeloph. (Stockholm 

 1893) in Bih. k. Sv. Vet.-Akad. Handl. Band. 18, Afd. III, n. 9 

 (Etym. myelos medulla et phycos fucus h. e. alga), Chordaricu 

 sp. Harv. — Frons filiformis, demum cava, in stipitem brevem 

 deorsum attenuata, organo adhtesionis discoideo ; corpus parenchy- 

 maticum centrale e contextibus duobus constans, interiori (medulhie- 

 formi) cellularum majorum hyalinarum et pariete tenui prreditarum, 

 extcriori (intermcdio) cellularum prismcaticarum, crasso pariete in- 

 structaruin, contentu farctarum; contextus corticalis (frondis fer- 

 tilis) e stratis pluribus cellularum minutarum introrsum laxe coa- 



