Kn-FIorideae, Soliei'iefr, Thysanocladin. S8l 



tham.nea, tripiiinata, pinnis in superiore partc crcberriniis, vix 

 2,2 min. distantibus, altcrnis, a marf,nnc jugamcnti plani 2,2 nnn. 

 lati distichc cgredicntibus, infcrioribns compositis, im;l basi an- 

 gustioribus et integriusculis, supcrnc scrratis, apicc pinnulatis; 

 supcrioribus (piniiulas aMnulantibus) simpliciusculis. Pinnul;e 12-14 

 millim. longiie, serraturis crcbris incisa^. Infra apices pinnularum cy- 

 stocarpia in pagina plana proveniunt, 2-5 aggiomcrata. Color fcrra- 

 giiioo-purpurens. Subst;mtia membranacea. 



5. Thysanocladia coriacea (Sond.) Harv. Nereis australis t. 30, Kuctz. 724 

 Tab. Phyc. XIX, t. 29, J. Ag. Sp. II, p. 616, Epicr. p. 287, Sphce- 

 rococcics coriaceus Sond. in Botan. Zeitung 1845, pag. 56, Alg. 

 Preiss. pag. 45, Rhyncococcus coriaceus Kuetz. in Botan. Zeitung 

 1^^47, p. 23, Sp. p. 755. — Frondibus a caule terctiusculo planis, 



in mcdia partc incrassatis, costa indefinita, opposite pinn^itim dc- 

 compositis, pinnis patentissimis mox evanescenti-costatis, superio- 

 ribus enervibus ambitu fere lanceolatis basi apiceque simplicioribus, 

 pinnulis ultimis sublanceolatis serratis, dentibus acuminatis, mediis 

 hititudinem rachidis sua longitudine superantibus; cystocarpiis infra 

 apices pinnularum tubercula aggregata formantibus. 



Hah. ad oras occidentalcs Nova^ HoIlandiLe (H.\rvey, D."^ Bun- 

 BURY, Preiss). — Radix late carnosa. Frondes longitudine et lati- 

 tudine fere 15 cm. metientes, in ramos nonnullos primarios, inferne 

 denudatos, a medio dense pinnatifidos divisae. Rami piimarii plani 

 at costa inferne incrassata ancipites et in infirna partc lamimi 

 oblitcrata subnudi, 5-12 millim. lati, coriaceo-membranacei. Rami 

 secundarii et superiores sursum sensim breviores, lincares, plani, 

 inferne incrassati, costa evanescente sursum enervcs, bi-tripinn;iti, 

 pinnis pinnulisque oppositis suboppositisve planis linearibus ob- 

 tusis aut subacutis. Pinnula?. ultimae simplices aut dentatne. Color 

 algge exsiccatse ferrugineo-purpureus. Substantia coriacea. 



6. Thysanocladia africana Schmitz Neue japan. Florid. p. 12, Mar. 725 

 Florid. V. Deutsch Ostafrika p. 153, Thysanocladia coriacea Harv. 



in Barton Provis. List of Mar. Algse of Cape of Good Hope (1893), 

 Gelidium senmtam Kuetz. Tal). Pliyc. XVIII, t. 62. — Frondibus 

 a caule ancipite planis, iiiferne denuim subincrass;itis, subopposite 

 aut alternatim decomposito-pinnatis, pinnis approximatis, patentis- 

 simis, enervibus, ambitu oblongis, distiche pinnulatis, inferioribus 

 simplicioribus, pinnulis lineari-Ianceolatis, a basi serratis, majoribus 

 in meilia partc pinnellatis; cystocarpiis hic illic in rachide pinnu- 



