326 Mr George Traill on the 



KAXLYMENIA, .1. Ag. 



163. Kallymenia reniformis (Tmn.), J. Ag. 



In deep, shaded pools at extreme low-water mark ; also epiphytic 

 on Laminaria hyperhorea. Perennial. Fruit in summer and autumn. 

 Skaill Bay, &c. Not uncommon. Very fine at Papa-Westray. 



CALLOPHYLLIS, Kutz. 



164. Callophyllis laciuiata (Huds.), Kiitz. [Rhodymenia laciniaia, 



Grev.) 



Cast ashore from deep water. Biennial. Capsules in spring ; 

 granules in summer. Commonly epiphytic on stems of Laminaria 

 hyiperhorea. North shore, Westray, very fine (J. W. Gray) ; 

 Rousay, at Broch, very fine, collected by the late Mrs Traill of 

 Wood wick in 1839; Scapa, fine ; Kirkwall Bay; Carness ; Skaill 

 Bay, &c. 



AHNFELDTIA, Fr. 



165. Ahnfeldtia plicata, Fr. {Gymnogongrus rilicoXiiR, Klitz. ) 

 Common in sandy pools near low-water mark. Always submerged. 



Perennial. Fruit early in winter. 



PHYLLOPHORA, Grev. 



166. Phyllophora Brodisei (Turn.), J. Ag. 



On rocks in sandy pools near low-water mark ; also in deep 

 water. Perennial. Fruit in winter. Kirkwall Bay ; Hoy Sound, 

 &c. 



167. Phyllophora membranifolia (Good, and Wood.), J. Ag. 



On rocks and stones near low-water mark, and at a greater depth ; 

 also on roots of Laminaria hyperhorea. Perennial Fruit in 

 winter. 



168. Phyllophora rubens (Linn.), Grev. 



In pools and under shelving rocks near low-water mark ; also in 

 bays, coral bottoms, from 2 to 15 fathoms. Perennial. Fruit in 

 winter. Kirkwall Bay, in good specimens. 



CYSTOCLONIUM, Kiitz. 



169. Cystocloniunipurp\irascens(Huds.), Kiitz. {Hypnea purpurascens, 



Harv. ) 



Common in pools and on exposed rocks from about half-tide 

 level to low- water mark. Annual. April to October. Fruit in 

 summer. 



Family.— RHODYMENIACE^. 

 CHYLOCLADIA, Grev. 



170. Chylodadia articulata (Lightf.), Grev. 



On rocks in the shade, and sometimes epiphytic on Algae, near 

 low-water mark. Usually left dry by the tide at low water. Very 

 common, and often fine. Annual. April to October. Fruit in 

 summer. 



