94 DASYA. 



2. D. ocellata, Gratel. ; stems sub -simple, beset on all sides 

 with long, erecto-patent, dichotomous, pencilled ramuli ; ar- 

 ticulations three or four times longer than broad ; stichidia 

 lanceolate, attenuated, marked with transverse bands of gra- 

 nules. Harv. in Hook. Br. Fl. ii. p. 335; Wyatt, Alg. 

 Danm. No. 179; Harv. Phyc. Brit, t. xl. Ceramium ocel- 

 latum, Grateloup. Dasya simpliciuscula, Ag. Sp. ii. p. 122. 

 > On mud-covered rocks near low-water mark, rare. Abundant on the Pier 

 at Torquay, Mrs. Griffiths. Whitsand Bay, Dr. Jacob. Wicklow, W. H. H. 

 Balbriggan, Miss Gower. Smerwick Harbour, Mr. Andrews. Stems tufted, 

 1 or 2 inches high, simple or with 3 or 4 branches, setaceous, opaque, inar- 

 ticulate, striate with veins, densely covered with ramuli, which are specially 

 crowded round the tips of the branches, giving them a strikingly obtuse 

 appearance. Ramuli 3 5 lines long, slender, erect, several times forked, 

 the apices elongated. Joints of the ramuli long. Colour a brownish or 

 bright purple. Stichidia lanceolate, acuminate, nearly as long as the ra- 

 muli, sessile or shortly stalked, containing dark purple granules, closely set 

 in transverse bands. These receptacles are commonly produced ; the cap- 

 sules have not yet been found in this country. 



3. D. drbuscula, Dillw. ; stems much and irregularly 

 branched, beset on all sides with short, divaricating, dichoto- 

 mous ramuli, whose articulations are about twice as long as 

 broad ; stichidia oblong, with a mucro. Ag. Sp. Alg. ii. p. 

 121 ; Harv. Phyc. Brit. t. ccxxiv. Conf. Arbuscula, Dillw. 

 t. G. (excl. syn. Brownii, and Dillw. t. 85). D. Hutchinsice, 

 Harv. in Hook. Br. Fl. ii. p. 335. 



On rocks in the sea. Not uncommon on the shores of Ireland and 

 Scotland. Eemarkably h'ne at Bantry, Miss Hutchins. Stems 2 4 inches 

 high, tufted, much branched ; branches alternate, bearing a second or third 

 series, and densely clothed with dichotomous, divaricate ramuli, about a 

 line in length, which give the plant a rounded appearaace; tips of the 

 branches blunt. Colour generally a pale reddish brown, sometimes deep 

 red; substance flaccid. Capsules ovate, with a much-produced, sub-cylin- 

 drical point, containing pear-shaped spores. Receptacles oblong, suddenly 

 acuminate, or obtuse with a mucro, containing two or three rows of ternate 

 granules. Very distinct from the last in habit and character. 



4. D. venusta, Harv. ; frond pyramidal, decompoundly 

 pinnate; the branches clothed with exceedingly slender, 

 flaccid, many times dichotomous, attenuated ramuli, whose 

 articulations are five or six times as long as broad; stichidia 

 pedicellate, ovoid, much acuminate ; ceramidia ovate-urceo- 

 late, with a protruding mouth. Harv. Phyc. Brit. t. ccxxv. 



Cast on shore, in summer. Annual? Very rare. Jersey, Miss White 

 and Miss Turner. Stem 3 4 inches high, as thick as a hog's bristle, un- 

 divided, furnished with numerous alternate, lateral branches, the lowest of 

 which are longest, the rest gradually shorter upwards. Branches pinnated 

 with a second or third series. Stem bare of ramuli, but all the branches 



