Bangioidea', Coinpsopogoiiaccce, Bangiopsis. 31 



A'l lioc jirfinns haiid ]iert,inei'e inihi videtur: 



Enteromorpha Cffirulescens Harv. New Alga? coll. liy 0. Wrif^ht 

 at J;ip;ui &c. p. 33o, n. 42, cujus specimen tiutheiiticum ex her- 

 bario Dublinensi a claro prof. E. P. Wright nuper recepi et sub 

 inicroscopio accur;ite exaniinavi. 



Genera Bangiacearuin dubia '). 



BANGIOPSIS Schmitz [1896] in Engl. et Prantl Natiirl. Pflanzenfam. 

 lil, p. 814 (Etym. Bangia et opsis, aspectus), Cumpsopogonis sp. 

 Mont. — Thallus parce ramosus erectus, filiformis, deorsuin bas;Ui 

 celluhi dikitata affixus, sursum plus minus incrassatus, teres, hinc 

 inde constrictulus, per tot;im longitudinem tubulosus, cavitate ge- 

 latinosa substantia repleta. CelkU« (ut videtur) chromatophoro sin- 

 gulo centmli stellseformi instructse. Propagatio igiiota. 



1. Bangiopsis subsimplex (Mont.) Schmitz in Engl. & Prantl Natiirl. 53 

 Pfl;inzenfam. 141 (1896), p. 315, Compsopogon subsimplex Mont. in 

 Ann. Scienc N;it., Bot, 1850, p. 299. — Gharacteres generis. 



Hah. in rivulis GuiancTe (Montagne); ad rupes m;xritimas aestu 

 decedente nudatas et tum aqu;\ dulci irrigatas prope Cayenne Gu- 

 ianaj (Leprieur). — Frondes intricat^, flexuosa^, unci;iles, simpli- 

 ces, apicem versus unum aut alterum ramum e verrucis proferen- 

 tes, basi crassiusculas, crinales, hinc inde incrassat;e, obscure arti- 

 culatse nec ad genicula ullo modo constrictse, e contrario verrucis 

 sporiferis tuberculosae, insequales, endochromatibus violaceis binatim 

 conjunctis punctatfe Ramuli proliferi, quando adsunt, 10 <j. cmssi, 

 hyalini, endochrom;itibus uni-biserialibus nullo septo sejunctis insi- 

 gnes. Sporse (monosporangia •?) e globoso ovoide?e, oblongse, cellulis 

 matricalibus, corticis innatse, lilacinoe, in verrucas parv;is conglo- 

 meratae, tandem liberae. Color in vivo aeneus aut dilute castaneus. 



') E generibus a claro Schmitz (in Eiigl. & Prantl Natiii'1. Pflaiizenfam. 141 

 (1896), p. .314-315) nt dubiis Bangiaceis adnumerntis Goniotrichum Kiietz. et 

 Asterocijtis Gobi, meA sententia, aptius My.vophyctis, quosi eiuHimdem gradus 

 superiores sistenti;i, adscribenda videntur. Genera vero Phragmonema Zopf, 

 Cyanoderma Web. v. Bosse, Glaucocystis Itzigs., Gloeoch(B'e Lagerh. [Schrammia 

 Dang.), Porphyridium Naeg., arabagibns prcetermissis. a Florideis excludenda 

 ceuseo. 



