i 3 8 



p. n. sp. 



in Journal of Botany XI. III. [905. p. 

 //■;/■. in >• "Christmas Island", Icl^. II. N. Rjdley! C. W. Andrews!. 



.ni. aha, irregulariter ramosa, lobis e basi duriori <>rtis, 2.5 — 



: nn. longis, spongiosis, con saepe concrescentibus, plerumque siipiiaiis. superne 



cuneatim in ulatis, difformibus, bic illic divisis; flabellis veris vel nullis vel erosis; 



frondis filamentis 25 — .isms, plerumque torulosis, interdum filamentis cylindricis commixtis, 



pallide brunneolis hic illic densius brunneis; ramulis ultimis nonnunquam subclavatis. [Figs. 01,96]. 



p. 34. Avrainvillea canariensis n. sp. 



Syn. Udotea tonuntosa Vickers in Ann. Sci. Nat. 8 e sér. tom. IV. 1896. p. 300. 

 ad "Gran Canaria, Las Palmas", leg. Domina A. Viel 



Planta brunneo-viridis, circa 12 cm. alta, solitaria, stipitata; stipite 5 — 6 cm. longo 

 simplici compresso, superne in frondem rotundatam magnam, 6 — 9 cm. longam, 7 — n cm. 

 latam, inconspicue zonatam, tenuem, margine subintegram fimbriatam vel parum laceratam, 

 cuneatim expanso; frondis filamentis cylindricis, bic illic torulosis, versus apices haud decrescentibus 

 haud clavatis, e viridi fulvo-brunneis, siccitate saepe collapsis, filamentis (ubi materie colorata 

 farcta sunt) plerumque 30 — 40 v. diam. [Figs. 97, 98J. 



p. 35. Avrainvillea Elliottii n. sp. 



Syn. Avrainvillea sordida Murray & Boodle in Journ. of Botany XXVII. 1 889 p. 70 (quoad specimen 

 'Grenada, Murray". 



vrainvillea sordida Murray in Journ. of Bot. XXVII. 1889. p. 238. (pro parte). 

 . vrainvillea sordida Üe Toni Syll. Alg. I. [889. p. 514. (pro part 



Ilab. in oceano atlantico ad Antilias "Grenada", leg. W. R. Klliott! 



Planta (in alcohol conservata) brunnea, 6 — 13 cm. alta, quasi solitaria, rhizomate recto 

 circa 5 cm. longo, 1 cm. crasso, interdum uno duobusve tumoribus lateralibus instructo, superne 

 in sti])item 1 — 4 cm. longum, 0.6 — 1 cm. crassum, parum compressum simplicem, superne in 

 frondem subit' > expansum, continuato. Frons e basi truncata late flabelliformis in plantis junioribus, 

 sed in senioribus satis irregularis, brevis (3.5 — 5 cm.) lata (5 — 10 cm.) superne erosa lobata, 

 lum fere ad basim fissa, modice crassa, zonata, superficie minute rugosa (lobis interdum 

 divaricatis et continenter crescentibus). Frondis filamenta cylindrica, turn parum torulosa, saepe 

 brunneo-flava, parva (20 — 30 ft crassa, ad apices juveniles raro 15 fx) apicibus baud praecipue 

 ramosis baud decrescentibus. [Figs. 99, 100]. 



p. ■ ihii'illca pacifica n. sp. 



. in oceano pacifico ad ins. "Ellice", leg. David! ad "Archipelago Paumotu", leg. Seurat! 

 inta brunnea, pro more frondibus duabus pluribusve e basi incrassata ortis-, stipes 



