17'JG Eu-FIorideae, Corallinacese, Lithophyllum. 



Species minus notse aut inquirendse. 



52. Lithophyllum pinguiense Heydr. Lith. Mus. Paris (1901) p. 535. 2917 



— Criista matricem annuliformi-obvolvente, 250-500 {x. crassa, 

 3-4 cm. diam., levi, tantum paullum undulata; conceptaculis spo- 

 rangiferis remotiusculis, per totam superficiem sparsis, discifornii- 

 bus, poro minutissimo instructis, 200 [t. diam. metientibus. 



Hah. in caverna « Grotte des Pingouins » gallice nuncnpata, 



insuUie Sancti Pauli (G. De l' Isle;. — Cellulse medise et inferiores 



20 V 6, superiores rotundatfe (> (j.. diam. Conceptacula distantiis 



0,5-1 nuiL disposita. Tetrasporangia 40 » 16 [j.. An L. decipiens? 



53 Lithophyllum californiense Heydr. Lith. Mus. Paris (1901) p. 530. 2918 



— Criista 0,5 mm. crassa, protuberantias 5 mm. altas, 3-6 muL 

 crassas, apice varie incrassatas aut apotheciformi-excavatas gignente; 

 conceptaculis sporangiferis 240 [i. diam. metientibus. 



Hah. ad saxa conchasque pr. « Bay de hi Paz» Californiae (Di- 

 GUET). — Cellulfe nunc majores 24 ^ 8, nunc minores 16 «^^ 8 \y. 

 Tetrasporangia 60 » 30 ;j.. An L. pallescens Fosl.? 



54. Lithophyllum pseudolichenoides Heydr. Quelq. nouv. Melob. du 2919 

 Mus. de Paris (1902) p. 475. — Fronde horizontaliter expansa, 

 foliacea, 1-2 mm. diam., 250 [j.. vix crassa, tota pagina inferiori 

 matrici adnata, margine libero introrsum recurvato, dein lobato, 

 levi et subtiliter granuLita; conceptaculis vix convexis, poro an- 

 gustissimo instructis, 830 [j.. diain. metientibus. 



Hah. locus desideratur. — Celluke medi^e 4-8 (x. diam., infe- 

 riores 16-24 [j.. longae. Tetrasporangia 60 « 44 [j.. Conceptacula an- 

 theridifera in series disposita. 



B5. Lithophyllum acrocamptum Heydr. Quelq. nouv. Melob. du Mus. 2920 

 de Paris (1902) p. 474. — Crustis 2 mm. crassis, levibus, margine 

 insimul concrescentibus repetito ramosis, ramulis 2-3 mm. crassis, 

 apice recurvis rotundatisque anastomosantibus; conceptaculis pa- 

 rum prominentibus, 300 [i. diam. metientibus. 



Hah. locus desideratur. — Cellute basales 40^10, medite ac 

 superiores 20-25 [x. longa?. 



56. Lithophyllum madagascarense Heydr. Quelq. nouv. Melob. du Mus. 2921 

 de Paris (1902) p. 473. — Crusta primum matrici disco basali 

 adfixa, disco ramos erectos circ. 6 cm. longos, 8-ies divisos, ana- 

 stomosantes, 3-4 mm. crassos, superne ad 6-10 mm. ampliatos, 



