Eu-Floridefe, Hildenbrandtieae, Hildenbrandtia. 1717 



5. Hildenbrandtia arracana Zeller Algen gesainiuelt von S. Knrz in 2^94 

 Arracan and British l^urnia (in Hedwigia XII, 187;^, p. 191j. — 

 Fronde incrustante, indeterminata, vage expansa, aretissinie adnata, 

 fusco-purpurea; cellulis obsolete angulatis, rotundatis, abs^iue or- 

 dine coacervatis. 



Hab. in rupibus maritiniis ad «Akyab, Arracan » fS. KuRZj. 

 — Cellulie 3-3,5 \i. diam. sequantes. 



6. Hlldenbrandtia rivularis (Liebm.) J. Ag. Sp. H, p. 495, ^]picr. p. 2695 

 379, Ral)enh. Fl. iMir. Algar. 111, p. 108, Carter in Seeman Journ. 



of Botany 1864, p. 225, t. XX, Petit in Brebissonia 111 (1880) 

 p. 1-5 cm. tab. (de trychogyno dissertatio), Borzi Sperm. Hild. 

 rivul. (1880) c. tab., Wollny in Hedwigia 1886, Heft 1 et IV, 

 Hansg. Algenfl. Buhmen p. 27, f. 5-6, De Toni Not. Hild. rivul. 

 (1894), Erythroclathras rivularis Liebm. in Kruy. Tidskr. 11, 

 1839, p. 174, FI. Dan. t. 2317 (excl. synon.?), Criioria rivularis 

 Aresch., Hildenbrandtia fuviatilis Breb., Hildenbrandtia rosea 

 var. fiuviatilis Kuetz. Sp. p. 695 (excl. synon.), Hildenbrandtia 

 Paroliniana Zanard. in Bibl. ital. tonio 96, 1839, p. 135, Syn. 

 Alg. p. 135, t. 1, f. 2 (fide Kuetz.), Palmella rubra Horn. in PT. 

 Dan. t. 1952, f. 2, Palmella effusa Fries?. — Fronde crustacea, 

 irregulariter expansa, roseo-rubra, tenuissima, filis apicem versus 

 clavatis, articulis diametro sesqui-duplo longioribus. 



Hab. ad saxa, conchas, ligna in amnibus per Europam, passim; 

 in Africa (Welwitsch sec. West). — Cellulae oblongo-rotundatte 

 vel oblongo-anguIatcB, 3,5-6,5 [j.. latfe, diametro subsequales aut 

 usque fere duplo longiores. Antheridia elongato-cylindracea ad su- 

 perficiem frondis dense stipata (sec. Borzi), maculas pallidas effi- 

 cientia; de his conferenda est opinio clari Schmitz in Nuova No- 

 tarisia IV (1893) p. 232 in adnot. 



7. Hildenbrandtia angolensis Welw. in West Welwitsch's Afric. Freshw. 2696 

 Algce (1S97) p. 3. - Crusta roseo-purpurea; cellulis quadraticis, 

 interdum subquadraticis (at semper angularibus) secus series ver- 

 ticales ordinatis, 3,5-5 [t. latis. 



Hab. ad saxa silicea in rivulis sylva^ « Quibanga» prope «Sange, 

 Golungo Alto » Africse (Welwitsch). — Sane mihi haud liquet, 

 (luibus ab Hildenbrandtia rivulari (Liebm.) J. Ag. notis differat 

 h;ec species. 



