wi 
40. Chaetophora draparnaldiaeformis 
LeseL sp. n. 
Cb. phycomate filiformi elongato tenui varie diviso, sub- 
dichotomo, ramis ramulisque numerosis, lateralibus, filiformibus, 
apice leviter incrassalis, — An Waſſerpflanzen und andern Ge- 
genftänden in Teichen bei Yvetot (Manche). 
Al. Liagora tomentosa Hd. sp. n. 
E. maxima, pedalis; stipite ramifero, demum dichotomo, 
ramis lateralibus inferioribus dichotomis, segmentis in apicem 
sensim attenuatis. — Neu = Caledonia. 
Syringodium Kd. gen. nov. 
Phycoma filiforme (teres, simplex), e stratis tribus com- 
positum, omnibus parenchymatieis, exteriori e cellularum minu- 
lissimarum strato unico, intermedio e cellularum majorum pa- 
renchymate continuo, medullari e parenchymate cavernoso aeri- 
fero formato; parietibus cavernarum e cellularum strato unico 
formatis. Fructus ignotus. 
42. Syringodium filiforme ke. sp. n. 
8. 5 Ne obscure olivaceum. — Nisky, Ins. Sc. 
Thomas in Weſtindien. Be ! 
43. Bictyota Vieillardi Re. sp. n. 
D. minor, nigrescens, intricata; phyllomatibus varie et 
irregulariter divisis, segmenlis angustissime linearibus, acutis, 
alterne pinnatis; pinnis patentibus remotiusculis spinescentibus. 
— Neu⸗Caledonia. — Var. £. filiformis, phyllomatibus 
setaceis. 
44. Spatoglossum intermedium E. in litt. 
Sp. phyllomate latissime flabelliformi, plus minus ve diviso, 
segmentis profunde laciniatis, laciniis lobatis, flabellato-truneatis; 
sinubus inferioribus rotundatis, superioribus acutiusculis; zom 
obscurioribus angustis distantibus. — Aus dem rothen Meere. 
45. Callithamnion Vieillardi Re. sp. n. 
C. intrieatum, basi repens ramis elongatis ramelliferis ; 
ramellis alternis squarroso-dichotomis, apice interdum in pilum 
hyalinum productis; artieulis nudis, elongatis, eylindrieis vel 
basi sensim incrassatis, diametro 2—5 plo longioribus. — Neu 
Caledonia. e 
46. Griffithsia heteromorpha He. sp. n. 
Gr. cespitosa intricata, confervacea, irregulariter ramosis- 
sima, ramis hine attenuatis, illinc incrassatis, articulis varlis, 
inferioribus saepe subeylindrieis, diametro duplo longioribus, 
— — inflatis. — Neu⸗Caledonia. 
