一 4。 一 



mm. thick, rrond consists of longitudinally runninp* medullary filaments 

 which give rise to moniliform, dichotomous filaments of peripheral 

 layer and of rhizoicls which run downwards arisinp^ from the latter. 

 Aittheridia are formed as groups of small cells terminating the peri- 

 pheral filaments. Carpoi^'cvninn is formed from the apical-cell of 

 3-celled procarpial branch which is formed as a special secondary 

 branch on the base of penpneral moniliform filaments. し。! our dark 

 olivaceous-brown faidinp' to yellowish and chanpinp- to blackish in 

 drying" - Substance subgelatino-cartila§;inous, becominp* almost horny 

 when dried. 



Hab, On rocks at hio-h tide ； Nap^asaki, Tosa, Ivu, Iclzu, Sagam. 

 and Boshyu. Fruit : 一 late in spring. 



PL. IX, rio-s. 2-9. Fig. 2 ： Nemalion puhinatum Grun. in nat. 

 state and size. ― Fig. 3 : portion of branch, +. ― ngr. 4 : cross-section 

 of a branch, slightly magd. ― tig^. 5: piece of peripheral filaments and 

 rhizoid, slip-htly mao-d. 一 Fig. 6 : portion of the peripheral layer, 6 ミ卫， 

 — Fip-. 7 ： portion of peripherial nlament bearing antheridial groups, 

 ^^0. — rig". 8: younp- procarpial branch seen from the dorsal side, 6— ミ卫. 

 一 Fig. 9: carpogonium just fertilized, -. 



Nemalion Targioni-Tozzetti 1818. 



うみ ぞう めん .IS, 



HELMINTHOCLADIACEAE. ベ に も づ く 科. 



體ハ 圓柱狀 ユンク， 叉狀- 分岐 シ， 多少 梁 粘 質 ナリ. 構造 ハ絲 

 組織 ヨリ 成リ， 中央 二 縱走セ ノレ 髓絲 層ァ リテ， 此絲周 圍-向 テ略ボ 

 水平 二 走リ， 外面 二 近 ヅク- 隨テ密 -叉狀 二分 岐シ， す • ^圓形 ノ 細 胞 

 ヲ 念珠 狀ニ 連子 タノ レ如キ 觀ヲ 呈ス； 而 シテ 皮層 ノ 絲 ヨリ 體ノ 下方- 

 向テ根 樣絲ヲ 發シ， 此絲又 體中ヲ 縱 走ス. 絲 ヲ 結合 ス ノレ 粘質ハ 



