Myxophycese, Schizotriclieae, Hydrocoleus. 319 



et Algis majoribiis adfixtis, in Suocia (C. Agardh, Nordstedt, 

 Lagerheim, Wittrock, Cleve), Dania (Lyngbye, Hofman Bang, 

 LiEBMAN, Rosenberg), mari Meditorraneo ad oras ins. Minoricae 

 (RoDRiGUEz), Ilvie (Ardissone) et sinus Neapolitani CKuetzing), 

 sinus Aquitanite (Sauvageau), ad litora maris Adriatici (Zanar- 

 DiNi); oceani Atlantici ad oras Americae foederatae (Farlow), Antil- 

 larum (Maze et Schramm), oceani Indici ad oras ins. Mauritii 

 (Jadin). — Var. vermicularis (Kuetz.) Gom. 1. c. : thallo elongato 

 cylindraceo, paliide aut sordide virescenti. 



5. Hydrocoleus coccineus Gom. Monogr. p. 342, t. XIII, f. 1-2. — 774 

 Pulvinulis epiphyticis, coespitosis, globosis, rubro sanguineis, sicci- 

 tate violaceis; filis rectis e centro radiantibus, parallelis, fascicnlato- 

 erectis, pseudoramosis, dense aggregatis; vaginis amplis, cylindra- 

 ceis, apice acumlnatis aut apertis; trichomatibus coccineis, rectis, 

 intra vaginam paucis vel solitariis, remotis, parallelis ad genicula 

 non constrictis; articulis 5,5-9,5^2,5-6; dissepimentis haud gra- 

 nulatis; apice trichomatis attenuato, obtuso, eximie capitato. 



Hah. in Codiis epiphyticas ad littora maris Mediterranei prope 

 Antipolim (Thuret), maris Indici ad oras ins. « Mauritius » 

 CIadin). 



6. Hydrocoleus floccosus (Hauck) Gomont Monogr. p. 341, t. XII, 775 

 f. 11, Microcoleus floccosus Hauck Meeresalg. p. 610. — Strato 

 atro-purpureo, floccoso, variis algis affixo; vaginis crassiusculis, 

 demum omnino diffluentibus; trichomatibus pallide rubro-violaceis, 

 intra vaginam pliis minusve numerosis, flexilibus, apice frequenter 

 arcuatis, ad genicula siccitate constrictis, 8-12 [x. crassis; articulis 

 diam. trichomatis 2-4-plo brevioribus, 2-4 [i. longis ; dissepimentis 

 irregulariter granulatis ; apice trichomatis attenuato obtuso. 



Hab. in aquis quietis maris Mediterranei ad ins. S. Marguerite 

 (Thuret) et maris Adriatici (Hauck, Gomont). 



7. Hydrocoleus Holdenii J. E. Tild. in Rhodora III, 1901, p. 254, 776 

 Hydrocoleum majus Holden in Rhodora 1899, p. 198, t. IX, f. 7-8, 

 Collins Hold. et Setch. Phyc. Boreal. Am. 602! (non Martens). — 

 Strato laete reruginoso, mucoso, tubulari; vaginis agglutinatis, mas- 

 sam diffluentem amorpham formantibus, initio trichomata in vaginis 

 late et irregulariter dilaceratis, deinde, post expulsionem, trichomata 

 nuda circundantem; trichomatibus aerugineis, ad genicula non con- 

 strictis, 25-30 [j.. diam.; articulis diam. 5-10-pIo brevioribus (3-6 [x. 

 longis); dissepimentis granulatis; apice attenuato truncato, cellula 

 apicali evidenter calyptrata. 



