Eii-Floi'i(leio, Wiirdcniaiinin. 385 



solitaria aut pauca, nuclcolis fere in nucloum subsimplicem coale- 

 scontibus constituta, nucleoli circa cellubun placcntarem in niedio 

 snspe;isam quoquoversuni radiantes, filis carposporiferls inferne 

 articubitis superne clavato-obovatis constituti; carpospora3 in ar- 

 ticulis superioril)ns incrassatis sine ordine conspicuo conglobaUe, 

 rotundato-angulatie, (luasi muco coliibitLC. Tetrasporangia ignota. 

 Obs. Tetrasporangia, qua? Ruprecht in apicil)us nematheciose 

 incrassatis provenientia descripsit, sec. J. Agardli reni alienam si- 

 stunt. 



1. Tichocarpus crinitus (Gmel.) Rupr. Tange Ocliot. p. 320, t. 17, J. 731 

 Ag. Epicr. p. 284, Florid. Morj:»hol. t. XVIII, f. 8, Prionith? crinita 

 J. Ag. Sp. II, p. 191, Fncus crinitus Gmel. Fuc. p. ItiO [Fucus cri- 

 oiatu.s), t. 18, f. 2, Turn. Hist. t. 123, Gelidium crinituiti Kuetz. 

 Phyc. gen. pag. 406, Sp. pag. 7G(!, Tab. Phyc. XVIII, tab. 45, 

 Sphcerococcus criititus Ag. Sp. I, p. 275, Syst. p. 224. — Fronde 

 compressa, lineari, vage dichotomo-subpinnata, segmentis sursum 

 sensini angustioribus, a margine et disco pliyllis teietiusculis elon- 

 gatis denuun pinnatim ramosis dense obsita. 



Ilab. ad hipides nec non ad radices Laminariearum in mari 

 Ocliotensi ex «Ajan» usque ad <^Tugurbai» (Ruprecht); inqui- 

 rendum est an revera ad littora Camciatcie et peninsulse Segalience 

 obveniat (Horner, Tilesius^ — Frondes a callo radicati scutato 

 exsurgunt plura decimetra longse, basi teretiusculge, mox compressoe 

 et fere phin.se, decomposita^, ramificatione inter dichotomam et pin- 

 natam intermedia. Seginenta linearia, inferiora 4-8 millim. lata, 

 superiora sensim angustiora, juvenilia nuda et evidentius dichotoina, 

 adultiora ciliis dense obsita, apice immo sai-pe in cilia pinnata so- 

 tuta. Cilia initio teretiuscula et simplicia, sensim magis compressa 

 et segmentis conforraia, demum pinnatim divisa, a margine et ali- 

 quando a disco prolificantia. Color obscure purpureus, exsiccatione 

 nigrescens. Substantia coriacea. 



Gcnus Gigartininearum incertiie sedis, forsan Cijstocloydcis adscribendiira. 



WURDEMANNIA Harv. [1853] Ner. bor. Amer. II, p. 245 (Etym. a 

 cl. D. Wurdemann), J. Ag. Epicr. p. 544, Schndtz et Haupttl. in 

 Engl. & Prantl Natiirl. Ptlanzenfam. 142 (1890) p. 382. — Frons 

 filiformis, teretiuscula, vage ramosa aut subpinnatim decomposita, 

 stratis fere tribus contexta, medullari filis loiigitudinalibus sublaxius 



