― 148 ― 



irom the joint of the midrib of a sporophyll. Cyslocnrp low conical and 

 shortly beakea, settled on the midrib of an ultimate leaflet. Colour 

 dark-purplish red when recent, becoming beautiful red in drying Sub- 

 stance soft and membranaceous except thickened midrib, and the plant 

 firmly adheres to paper in drying, 



H(d). : On rocks and stones between tide marks in calm places. 

 Ivv'anai and Shiwoya (Prov. Shinoeshi ), Kamoito (Pro v. Teshiwo), Hako- 

 date (Prov. Oshima) in Hokkaido ； Cape Iwai-zaki and Yonezaki ' Frov- 

 Rikuzen). Fruits : April-May. 



PL. XXXI， Pig. 1-8. r ig. 1 : Apo^lossum violaceum J. ,4,?. in nat. size. ― 

 r ig. 2 : surface of the membrane showing the course of veinlets, 二 ? チ. 一- Fi^t 3： 

 portion of the membrane of the lower part of frond showing prickle-like 

 processes on both surfaces, -^. ― Fig. 4 : longitudinal section of a leaflet^ 

 - ― l^ig. 5: cross-section of midrib and membrane, ―^. ― Fig. 6: cross- 

 section of a sorus, — f】g. / : cystocarps, . — t ig. 8: vertical-section 

 of a cystocarp cut perpendicular to the plane of sporophyll, -^^ ―. 



PL. XXXII, Fig. 13-17. Fig. 13: surface-view of the terminal por- 

 tion of a very young leaflet showing arrangement of cells, 3 すぶ. ― Fig. 14 : 

 portion of the surface-view of membrane showing veinlets and cellules ； a 

 indicates the position of the midrib, ^-^ ―. ― Fig. 15: surface-view of tetra- 

 sporic sporophylls, ca. ―^. ― Fi 总. 16: arrangement of tetrasporangia seen 

 through the cortical layer of sorus, --^ ―. ― Fi*^. 17 ： vertical section of a 

 cystocarp cut along the midrib of sprophyll, や 一， 



