177 



all sides with alternate, simple, very patent branches. Receptacles 

 globular or oblong, shortly stipitate, furnished with long penicillate 

 hairs at apex, abruptly attenuated to pedicel. Colour olive-brown 

 fading to greenish. Substance rigid when fresh, and the plant im- 

 perfectly adheres to paper in drying. 



Hab. : On rocks in . deep tide. Amakusa (5-7 fath., Mr. 

 Higashi), lyo and Higo. 



PL CXCIV. Fig. I : frond of Sporpchnus radicifonnis (R. 

 Br.) C. Ag., -J-. Fig. 2 : apex of young receptacle with penicil- 

 late hairs in logitudinal section, a f a . Fig. 3 : base of penicil- 

 late hairs, showing some of them arising in dichotomy, 3 ^ 6 . 

 Fig. 4 : apical hair showing its basal growth, *a. Fig. 5-7 : 

 receptacles in different stage of growth, ^, ^, ^ resp. Fig. 8 : 

 longitudinal section of receptacle, ~. Fig. 9 : cross-section of 

 receptacle, magd. Fig. 19 : two sporangiophores bearing sporan- 

 gia, ***. 



Sporochnus scoparius Harv. 



Nom Jap: Keyarl. 



PL. CXCV. 



Sporoc/imis scoparius Harv. Phyc. Aust. t. 226; Kiitz. Tab. 

 Phyc. IX, t. 84, f. i ; De Toni Syll. Alg. IV, p. 383 ; Yendo 

 Notes on Algae new to Jap. V, p. 249. Sp. Jieradeus J. Ag. ? in 

 Okam. Synop., B^^g^ffi (2nd ed.) p. 161. 



Root rather large conical disc covered with yellowish brown 

 woolly hairs pretty above the disc. Frond robust, with a thick 

 cylindrical, percurrent stem, densely branching pinnately on all 

 sides in alternate manner, with simple elongated branches in our 

 species. Receptacles oblong or clavate when fully grown, abruptly 

 attenuated to pedicel which is 4-5 times long as receptacle (re- 



