Mysophycea3, Cbamgesiphonaceae, Dermocarpa. 129 



p. 7, t. VII, f. 2-3. — Strato epiphytico, adnato, ad 1 mm. lato, 

 siiborbicLilato vel ambitu irregularitor sublobato, c cellulis clavifor- 

 mibus, dense stipatis, e mutua pressione angulatis, 25-30 jj.. longis, 

 sursum 4-6 \i. latis, gelatina communi firma involutis formato ; 

 contentu violaceo vel lerugineo-violaceo; gonidangiis et gonidiis 

 ignotis. 



Zraft. in foliis Sargassi flavifolii (=Sargassi vulgaris 

 f, linearifolii) thalloque GymnogongH norDegici prope ]3iar- 

 ritz (Sauvageau). 



4. Dermocarpa fucicola Alt. Saunders in CoIIins, Holden et Setch. 325 

 Phyc. Bor. Amer. n. 801, Alaskan Algi^e p. 397, t. XLVI, f. 4-5, 

 Setch. & Gardn, Algic of Northw. x\merica p. 181. — Strato ma- 

 culiformi, obscure violaceo-brunneo, 2-12 mm. diam. metiente; cel- 

 lulis ovatis, clavatis vel spathulatis, sa^pius 40-60 ^ 18-25 \>.., 

 deorsum valde angustatis; gonidiis copiosis. 



Hdb. m frondibus Fuci evanescentis formse megacephalae pr, 

 « Puget Sound » in ditione Alascana Amer. bor.; in frondibus 

 Irida3a3, Gelidii, Gigartinoe, OdonthaliaB, Amphiro^e 

 etc. locis variis Americie boreo-occidentalis (Setchell, Gardner, 

 Tilden). — Macujie orbiculares aut irregulares, dein contiuentes 

 et plagulas indefinite extensas efficientes, Species videtur Dermo- 

 carpcu hiscayensi Sauv, peraffinis; differt imprimis majori ampli- 

 tudine macularum et facie atque magnitudine cellularum, de qua 

 cfr. Setch. et Gardn. op. cit. 



5. Dermocarpa strangulata Sauv. Sur deux esp. nouv. de Dermocarpa -^^^ 

 p. 8, t. VII, f. 4. - Strato epiphytico, adnato, ad semimillimetrum 

 lato, maculiformi, suborbiculato; cellulis cylindricis, medio constrictis 



vel omnino transversim sectis, mutua pressione angulatis, 16-21 [j.. 

 longis, 3,5-5 {i. latis, gelatina communi involutis; contentu violaceo 

 aut serugineo-violaceo; gonidangiis et gonidiis ignotis. 



Hah. ad S a rg a s s u m f 1 a v i f o 1 i u m (= S a r g a s s u m v u I - 

 gare f. li neari folium J. Ag.) prope Biarritz (Sauvageau). 

 6 Dermocarpa violacea Crouan in S.m\. Sc. Nat., IV Ser., Tom. IX, 327 

 t. 3, f. 2 a-d. Fl. Finist. p. 147, t. XVIII, gen. 121, Born. et 

 Thur, Notes Algolog. II, p. 77, Hauck Meeresalgen p, 517, Lagerii. 

 in W, et Nordst. n. 900! D,^ Simmons in C. H. et Setch. Phyc. Bor. 

 Amer. n. 556. — Strato indefinite expanso vel maculaeformi, roseo- 

 rubro; cellulis inverse ovalibus aut fere cuneiformibus, 8-28 \i.. 

 crassis; membrana tonui; contentu rosoo-rubro us(]^ue ad violaceum; 

 gonidiis e totius contentus cellularum divisione exorientibus. 



