Myxopliycese, ChamsesiphonacefB, Dermocarpa. 131 



dense aggregatis, ina^qualibus, aliis G-8 [j.., aliis 14-18 [j.. latis; 

 coiiteiitu pallide violaceo; gonidiis ignotis. 



Hah. in saxis rlvi « Ain-Oumach » ad Biskram AlgeritB (Sau- 



VAGEAU). 



10. Dermocarpa depressa W. et G. S. West Welw. Freshw. Afr. 331 

 Alg. in Journ. of Bot. 1897, p. 301. — Cellulis plus minusve ag- 

 gregatis, valde depressis, irreguhiriter discoideis, 5-10 >«; 2,7-3,8 [j.. ; 

 protophismate cellulaB uniuscujusque gonidia 8 formante. 



Hah. ad «Loanda» Africa?, epiphytica in Pithophora radiante; 

 in aquariis aqua3 subdulcis insuku «Cassanga» pr. «Morro da Cruz» 

 (Welwitsch). 



Generi Dermocarpce adscribendge videntiir sequentes species Sphcenosiphonis : 



11. Sphaenosiphon cuspldatus Reinsch Contrib. Alg. Fung. pag. 15, 332 

 t. XXV, f. 1. — Strato convexo usque subhemispha^rico, muco hya- 

 lino definito invohito; celluHs elliptico-hmceolatis, basi rotundata, 

 apice subito acuminatis, 8-12 5^1,5-3 [j..; contentu granuloso turu- 

 gineo; membrana crassiuscula. 



Hah. in frondibus Sargassi ad insulam « Cherso » maris 

 Adriatici (Reinsch). 



12. SphaBnosiphon aquae-dulcis Reinsch Contrib. Alg. Fung. p. 15, 333 

 t. XXV, f. 2. — Strato paulo expanso usque subhemisphierico; 

 cellulis piriformibus, 13-17^6,5-8,5 [x. ; contentu granuloso, cte- 

 ruleo-virescente; membrana crassiuscuki,. 



Hah. in foliis Cinclidoti riparii in Helvetia, in Hypno 

 aquatico, socia Audouinella violacea var. dalmatica in 

 Dahiiatia. — In cellulis singulis evolvuntur cellulse irregulariter 

 sphiericse (gonidia?). Obs. Hoec species videtur aptius generi Onco- 

 hijrS(V forsan adscribenda. 



13. Sphaenoslphon soredlformis Reinsch Contrib. Alg. Fung. p. in, 331 

 t. XXV, f. 3. — Strato subhemisphaerico, e cellulis 6-12 sorcili 



ad instar cumuhitis efformato, sparso; cellulis piriformibus, 8,5- 

 24,5=^5,5-8,5 [i. ; contentu grosse granuloso, olivaceo-virescente; 

 merabrana crassiuscula. 



Hah. in frondibus GiraudicC [in niari Adriatico (?)]. — In 

 cellulis singulis (gonidangiis) evolvuntur celiuloe sphjericce, nume- 

 rosissima3, 50-60. 



14. Sphaenoslphon smaragdinus Rcinsch Contrib. Alg. Fung. p. 16, 335 

 t. XXV, f. 4. — Strato irregulariter circumscripto; cellulis subli- 



