82 



4: mftm=* ?3i * r&ym, >y? v^gg^.-s: i?n _L 



. 6 : pg # US ^ - 3 p. 7 : & ? ; * '" $ 

 IP *. 8 : ft. ^--9 '.nS 



Desmarestia ligulata (Lightf.) Lamour. 



Norn, Jap, : Urushi-gusa. 

 PL. LXXII ; PL. LXXV, Fig. 1-4. 



Desmarestia ligulata (Lightf.) Lamour. Essai p. 25 ; Harv. 

 Phyc. Brit. f. 115; J. Ag. Sp. Alg. I, p. 1 69 (var. ligulata) ; Kiitz. 

 Sp. Alg. p. 572; Id. Tab. Phyc. IX, t. 99, f. 2; Johnstone and 

 Croall British Seaweeds pi. 142; De Toni. Syll. Alg. Ill, p. 460 ; 

 [S] /H", Q ^^il!^ ft. P- I21 - Desmia ligulata Lyngb. Hydrophyt. 

 Dan. p. 33, t. 7 ; Turn. Hist. Fuc. t. 98. 



Hab. : Hakodate ; Kuwagasaki (Prov. Rikuchu) ; Kinkwazan 



and Kesennuma (Prov. Rikuzen) ; Prov. Iwaki ; Kawadziri and Otsu 

 (Prov. Hitachi). 



PL. LXXII. Fig. 1 : lower and upper portions of a fully-grown 

 frond of Desmarestia ligulata (Lightf.) Lamour., \, Fig. 2 : portion 

 of a young frond, \. Fig. 3 : branchlet slightly magd. 



PL. LXXV, Fig. 1-4. Fig. 1 : midrib and veins of a branchlet, 

 ? j*. Fig. 2 : growing apical portion of a branchlet showing the 

 formation of the cortical layer, c . Fig. 3 : cross-section of an 

 older portion of branch, ^2. Fig. 4 : portion of the longitudinal 

 section of a branch ; a, axis, | . 



