Sbb. MELANOSPERMEiE. ( 67 ) Fam. D1CTY0TE.E 



Plate CLIV. 

 CUTLERIA MULTIFIDA.— G^m-. 



Gen. Char. — Root a flat disc, coated with woolly filaments ; frond cellular, cartilagineo- 

 membranaceous, piano - compressed, irregularly dichotomous, without midrib. 

 Fructification : "Dot-like tufts of pedicellate utricles, scattered over both surfaces 

 of the frond, each utricle containing several spores." — Phyc. Brit. "Antheridia 

 on distinct plants, linear, transversely dotted, sessile on the sides of minute tufted 

 filaments, occupying the position of true sori." — Phyc. Brit. 



CuTLERiA multifida. — Frond plane but rather thickish, flabelliform, 

 irregularly dichotomous, repeatedly cleft upwards into numerous narrow 

 lacinise, erect, with very acute axils. 



CuTLERiA multifida.— Grev. AJg. Brit. p. 60, t. 10; Hooh. Br. Fl. vol. ii. p. 281 ; 

 Wyatt, Al(j. Danm. No. 61 ; J. Ag. Alg. Meclit. p. 40; ilenegh. Alg. 

 Ital. et Balm. p. 201 ; Endl. 3rd ^Suppl. p. 25 ; Kiitz. Phyc. Gen. 

 p. .339; Dichie, Ann. Nat. Hist. vol. xiv. p. 168; Harv. in Maclc. Fl. 

 Hib. part 3, p. 177 ; Harv. P. B. plate 75 ; Harv. Man. p. 36 ; Harv. 

 Syn. p. 30; Atlas, plate 9, fig. 33; /. G. Agardh, Sp. Gen. Alg. vol. i. 

 p. 104. 



ZoNARiA multifida. — Ag. Sp. vol. i. p. 135 ; Syst. p. 267. 



DiCTTOTA penicillata. — Lamour. in Desv. Journ. Bot. vol. ii. p. 41 ; Lamour. Ess. 

 p. 58; Ag. Sp. Alg. vol. i. p. 139. 



DiCTroTA multifida.— Bory, Morec, p. 75, No. 1756. 



Sporochnus multifidus. — Spreng. Syst. Veg. vol. iv. p. 329. 



Ulva multifida. — Engl. Bot. t. 1913. 



Hab. — On rocks, stones, and shells in four to twenty fathoms water. Annual. Summer 

 and autumn. Rare. Yarmouth (Messrs. Turner and Wigg) ; Seaton and Torquay {Mrs, 

 Griffiths) ; Sidmouth {Miss Cutler) ; Brighton {Mr. Borrer) ; Plymouth {Rev. W. S. Hore) ; 

 Bantry Bay {Miss Hutchins) ; Ballycotton {Miss Ball) ; Kilkee and Wicklow {Dr. Harvey) ; 

 Roundstone Bay {Mr. M'Calla) ; Orkney {Dr. Harvey) ; Lamlash Bay, Arran {Major 

 Martin). 



Geoor. Dist. — Coast of England and Ireland ; Atlantic shores of France and Spain ; 

 Mediterranean Sea. 



Description. — Root, a broad flattened disc, densely clothed with 

 minute confervoid tomentose fibres. Stem very short, immediately 

 expanding into the base of the frond, which is piano-compressed, more 

 or less flabelliform, and dividing in an iri'egularly dichotomous manner, 

 just above the base, into numerous and repeatedly branched segments, 

 most of the divisions being dichotomous, but, especially upwards, more 

 or less secund, fasicled, or proliferous ; the divisions all very erect, with 



