. Dansk botanisk arkiv. Plants; Plants -- Denmark. 188 Dansk Botanisk Arkiv, Bd. 3. Nr. 1. absolutely with my plant, with its mostly opposite branches, when it is said in the diagnosis: "alterne ramosa vel subdichotoma". Thus an examination of the original material was highly desirable, and I am greatly indebted to M«"^ Weber for the per- mission to examine the original material sent by Momtagne to KüTZiNG and preserved in his herbarium, now in the possession of Mn^e Weber. This specimen has also a special interest on account of the fact that the only existing illustration of th
. Dansk botanisk arkiv. Plants; Plants -- Denmark. 188 Dansk Botanisk Arkiv, Bd. 3. Nr. 1. absolutely with my plant, with its mostly opposite branches, when it is said in the diagnosis: "alterne ramosa vel subdichotoma". Thus an examination of the original material was highly desirable, and I am greatly indebted to M«"^ Weber for the per- mission to examine the original material sent by Momtagne to KüTZiNG and preserved in his herbarium, now in the possession of Mn^e Weber. This specimen has also a special interest on account of the fact that the only existing illustration of this species, namely that in Kützing's 'Tabulæ" (1. c), is based upon it. After the examina- tion of the material it at once became evi- dent that it was a mixture of two spe- cies present in nearly the same quantity, namely a form of the plant which I in a fol- lowing page call Jania adhaerens and another plant, the present one, for which I keep the name cubensis. It is interesting to see that KtJTZiNG very correct- ly has illustrated both species, his fig. d re- presenting Jania ad- Fig, lib. Corallina cubensis (Mont.) Kütz. Upper r,^.„._,_ „,i,-i„ fi„„ ^ part of a plant with more or less verticillated naerens wnne ngs. e branches and a tetrasporicconceptacle. (About 16:1). and / are Corallina cubensis. Before entering upon a description of this plant I further want to point out that in my specimens, too, Jania adhaerens is often abundantly present. Besides, Corallina cubensis also, often grows intertwisted among Amphiroa jragilissima. After these introductory remarks I shall proceed to give a description of the plant based upon my own material. Corallina cubensis grows upon rocks and corals and forms low dense tufts about 1—2 cm. high, often spreading widely. The slender filaments are densely crowded, fastigiate and mixed up together. The branches issue as a rule immediately below the nodes (Fig. 174), but the ramification is very Please note
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