Chondrus.} ALG/E RHODOSPERMEJE. 201 



high, and bears, besides the true capsules, lanceolate pod-like recep- 

 tacles, containing oblong and scattered granules imbedded in the cir- 

 cumference. 



4. G. acicularis, Lamour. Acicular Gigartina. Frond car- 

 tilaginous, terete, filiform, irregularly branched, subdichoto- 

 mous ; branches divaricate ; ramuli few, scattered, very patent, 

 subulate ; capsules large, sphagrical, scattered. Hook. Br. Fl. 

 v. ii. p. 300. Fucus acic. Turn. t. 126. E. Bot. t. 2190. 



Very rare. Belfast ; Mr. Templeton. 



5. G. Griffithsite, Grev. Mrs. Griffiths' Gigartina. Frond 

 cartilaginous, filiform, dichotornous, subsimple below, much 

 branched above ; branches fastigiate ; axils patent ; fructifica- 

 tion oblong, warts composed of moniliform filaments, and sur- 

 rounding the stem. Hook. Br. Fl. v. ii. p. 301. Fucus Grif- 

 fithsice. Turn. t. 37. E. Bot. t. 1926. 



Rather rare. Bantry ; Miss Hutchins. Balbriggan ; Dr. Scott. 

 Dark-red, rigid, entangled, 2 4 inches high. 



6. G. plicata, Lamour. Entangled Gigartina. Frond horny, 

 cylindrical, filiform, very irregularly branched, entangled, wiry; 

 branches subdichotomous ; the axillae obtuse ; ramuli often se- 

 cund; "fructification oblong, irregular; warts composed of 

 obscurely articulated filaments." ( Grev.) Hook. Br. Fl. v. ii. 

 p. 301. Fucus plicatus. Turn. t. 180. E. Bot. t. 1089. 



Rocky shores, common. 4 8 inches high, remarkably wiry and 

 entangled. 



46. CHONDRUS. Stackh. Chondrus. 



Frond cartilaginous, dilating upwards into flat, nerveless, dicho- 

 tomously divided segments, of a purplish or reddish colour. 

 Fruct. : subsphaerical capsules, in the substance of the frond 

 (rarely supported on little stalks), containing a mass of mi- 

 nute free seeds. (Grev.) Name; xoi/fyos, cartilage; in al- 

 lusion to the substance of the frond. 



1. C. mammillosus, Grev. Mammillated Chondrus. Frond 

 thick, cartilaginous, irregularly dichotomous, proliferous, chan- 

 nelled, segments oblong-cuneiform, bifid ; capsules borne on 

 short peduncles scattered over the disk. Hook. Br. FL v. ii. 

 p. 302. Fucus mammill. Turn. Hist. t. 218. E. Bot. 1. 1054. 



Rocky shores, very common. 



2. C. crispus, Lyngb. Curled Chondrus. Frond thickish, 

 cartilaginous, dichotomous, flat or curled, quite plane (without 

 channel) ; segments very variable in breadth, subcuneate ; 

 capsules haemispherical, innate in the disk, concave at one side. 

 Hook. Br. Fl. v. ii. p. 302. F. crispus, Turn. Hist, t 216 and 

 217. E. Bot. t. 2285. 



2B 



