collected in Africa by Dr. Krauss. 91 



Frons vix uncialis, crassitie capillari, hyalina ; granula angulata, 

 coccinea, in fronde hyalina seriatim digesta ; ad Port Natal, ste- 

 rilis. 

 222*. Bryopsis setacea, Hg. Pilis setaceis, subramosis, apice phi- 

 mosis. 

 Fila tenacia, nitida, 2 — 3-pollicaria, setacea, simplicia vel rarius 

 ramulo laterali instructa, apice ramentis brevibus, simplicissimis, 

 lanceolato-pinnata. Color obscure viridis, chartse arete adhseret. 

 Bryops. Balbisiance proxima. Hab. ad Port Natal Point, Africa? me- 

 ridionalis, scopulis littoralibus insidens. 

 Caulerpa filiformis, Hg. Frondibus planis, linearibus, subdichotomis, 

 integerrimis. 

 Surculus cylindricus, filiformis, stramineus, inferne emittens radices 

 nbrosas, fasciculatas ; frons spithamsea, adscendens, basi cylin- 

 drica, annulato-rugosa, deinde plana, linearis, integerrima, sub- 

 dichotoma, lineam lata ; color gramineus, substantia membra- 

 nacea. 

 Synon. Amphibolis filiformis, Sch. 

 Var. /3. Fronde latiore ligulata. 

 Var. y. Fronde breviore palmata. Forsan distincta species Caulerpa 



palmata nominanda. 

 Ad Cape Lagullas, Africa? meridionahs, in arena reperis. 

 Alsidium ericoides, Hg. Fronde tereti, continua, filiformi, ramosa ; 

 ramentis brevibus, subarticulatis, subulatis, dense imbricatis ves- 

 tita. 

 Radix callus exiguus, frons spithamsea, teres, ramosa, pyramidata, 



ramenta obtusiuscula, zonis obscurioribus notata. 

 Hab. ad Port Natal. Sub Rhodomela ericoides in collectione 

 signata. 

 Sphcerococcus (Chondrus) scutellatus, Hg. Fronde compressa, dicho- 

 toma, segmentis linearibus ; capsulis sphsericis in margine disoo- 

 que ramulorum sessilibus, scutellatis. 

 Habitus Sphceroc. crispi var. linearis ; frons cartilaginea, bipolli- 

 caris, vix lineam lata, segmentis superioribus cuneatis, obtusis ; 

 color exsiccati atro-purpureus. 

 Sphcerococcus (Gigartina) nodiferus, Hg. Fronde cartilaginea, tereti, 

 subdichotoma, segmentis irregulariter dentatis, obtusis, denti- 

 bus apice capsuliferis. 

 Color purpureus, frons crassiuscula. 

 Ad Port Natal, spec, manca. 

 Sphcerococcus (Gelidium) aculeatus, Hg. Fronde cartilagineo -cornea, 

 ramosa, verticillato-aculeata. 

 Radix callus exiguus, frons cartilagineo-cornea, 4 — 6-pollicaris, 

 inferne teretiuscula, nuda, mox bi- vel trichotoma, lineam crassa, 

 compressa, vel tri- aut quadrangularis, aculeata ; aculei oppositi, 

 terni aut quaterni verticillati, lineam longi, basi dilatati, subu- 



* The numbers prefixed to the species refer to the numbers in Dr. 

 Ki'auss's Fasciculi of Natal Specimens. A series of the species here described 

 has been forwarded to the Herbarium of the Botanical Society of London, 

 where they may be consulted on application. 



