35G M^rsophycese, Scliizotrichege, Inactis. 



arcticam iisque ad promontorium septeutrionale (Foslie). — In. 

 vaginatcB affinis. 



13. Inactis Simmonsiae (Coll.) Nob., Schizothrix Simmonsia^ Coll. in 875 

 Coll., Hold. et Setch. Phyc. bor. Am. n. 707! — Strato floccoso- 

 penicillato, initio pannoso alias algas investienti, 1-2 cm. crasso, 

 rufo-brunneo; trichomatibus pallide viridibus, 3-6 [x. diam. ; arti- 

 culis diam. 3-5-plo brevioribus, plerumque ad genicula constrictis 



sed etiam interdum praesertim in divisione infravaginali irregula- 

 riter toruloso-inf^atis et contortis; vaginis delicatis sed evidentibus 

 plerumque trichoma singulum sed basim versus plura, usque ad 

 quinque continentibus. 



Hab. in Algis ad « Easton point » prope « Newport, R. J. » 

 Amer. bor. (D.'^ Simmons). 



14. Inactis tinctoria (Ag.) Thur. Essai in Ann. des Sc. nat. VI ser., 876 

 Bot., I, p. 379, Cooke Brit. Freshw. Alg. p. 257, t. C, f. 3?, Ca- 

 lothrix tinctoria Ag. Syst. Alg. p. 72, Schizothrix tinctoria Gom. 



in Journ. de Bot. IV, p. 351, Monogr. p. 303, t. VII, f. 5-7, Lepto- 

 mitus Ceratophylti Ag. Syst. Alg. p. 48, Leptomitus investiens 

 Moug. et Nestl. Stirp. Crypt. Vog. Rhen. fasc. IX, n. 899, Lepto- 

 thrix iinctoria Kuetz. Sp. Alg. p. 263, Tab. Phyc. I, p. 38, t. LX, f. I, 

 Wolle Freshw. Alg. of U. S. p. 321, t. CCVIII, f. 15, Hypheothrix 

 tinctoria Rab. Fl. Eur. Alg. II, p. 75, Hydrocoleum tinctorium A. 

 Br. in Rab. Fl. Eur. Alg. II, p. 294. — Strato continuo, molli, 

 mucoso, violaceo-ieruginoso aut violaceo, phintas aquaticas inve- 

 stienti; filis elongatis et flaccidis in fasciculos fluctuantes, apice 

 penicillatim solutos saepe implicatis, inferne simplicibus, superne 

 pseudoramosis; vaginis arctis, haud lamellosis, subdiffluentibus, 

 chlorozincico jodurato cffirulescentibus; trichomatibus ad genicula 

 constrictis, in parte inferiore filorum intra vaginain numerosis, 

 plus minusve spiraliter contortis, in pseudoramis paucis et rectis 

 1,4-2,4 [j.. crassis; articulis subquadratis, 1,4-3 [x. longis; cellula 

 apicali rotundata. 



Hah. rivulos Norvegioe (Noe,dstedt), AngliLie (Ralfs, Cooke), ins. 

 Foercensium (Boergesen), Gallia3 in montibus Vogesis (Mougeot 

 et Nestler, Lenormand), Pyrenaeorum (Rabenhorst), Germaniae 

 ad Neustadt (Braun), Austriie (Stockmayer), Italiae borealis prope 

 Belluno (Del Torre) et in plantis aquaticis Americie borealis 

 (Wolle). 



15. Inactis mexicana (Gom.) Nob., Schizothrix mexicana Gom. Mo- 877 

 nogr. p. 304. — Strato continuo, molli, siccitate nigro-violaceo. 



