Gracilaria. SHLEROCOCCOIDK.E. 593 



subdivaricati rigidi, a latiore basi subito acuminali, parum lamen ncnti, 

 longitudine circiter linea?. Color cocc-ineo-carneus. Coccidia hemispha> 

 rica detnum mamillata, in ramis penultimis sessilia. SphaerospOTffi rolun- 

 data?, in ramulis parum incrassatis evolutae, inter ccllulas rotundatax snb- 

 siinplici serie dispositas strati peripberici nidulantcs. Substantia juniuris 

 succulenta, adultioris ut in affinibus Licbenoidea. 



2. CERAMIAMIIK.MUM Frons tereliuscula mil compressa <jii<><iuuri'r- 

 sum ramusa et f'ructifera. Stratum periphericum ce/lnlis ro- 

 f mutatis ulilongisce, (in sporij'era sallim plan/a ) in ft la radianlia 

 et in/erne anastomosantia conjunctis cotite.rtum: spha'roxpnnv 

 inter fila elongala strati peripherici niditlank's. 



*** Fronde succulenta tereliuscula, exsiccatione carli/at/iuc/i 



et collapsa. 



9. Gu. TyENiuiDES (J. Ag. mscr.) Iroiidc comprcssu succulenta 



exsiccationo collapsa meiubranaceo-cartilaginea, subtlicliotoiuo- 

 raiuosa, ramis rainnlisquc sulxlisticliis dichotoiuis basi conslrictis 



apico lon;;o subulutis, coccidiis. . . . 



Spluerococcus tajnioidcs J. Ag. mscr. in Nits. Paris. 



Hab. ad Souliperon Ccyloiuc (Koynaud!). 



Froos angusla clongala, scmipcdalis latiludinc vix linea?, madefacta 

 compressa, exsiccalione ulterius collabcns, ita ut ulrinque longitudinaliler 

 subcanalicuhita appareat, ramis a marginc cxcunlibus. Kami in I rondo 

 primaria subindivisa kiterales, basi cvidcntcr constricli, apice longe alli-- 

 nuati, bis aut ILT dicbotoini. Scgmcuta elongata crcctiuscula. Color pur- 

 pureo-fuscescens. 



Si species hujus generis sit, (juod cegrc nisi fructu cognito dijudicatur, 

 ad Spb. compressum proximo accedere vidctur. Planta tenuior vere com- 

 pressa ct rami disticbi. Habitus diversus. Sectione transvcrsali ct'Iliilac 

 peripbericaj subrotundae colorat.T fere pluribus serielnis disposilic; inlc- 

 riores magna 1 parielibus llexuosis. 



10. GR. CO.MIRKSSA (Ag. sp. Alg. p. 308) frondo lercli succulenta 



IVaijili, oxsiccationc collapsa membranaceo-carinaginea 3 subdi- 



cliotoma-ramosa, ramis ramulisqiic vagis aut plus minus evi- 



donter allcnu: socundatis, coccidiis bemisphaericis PIT lotaui 



iroiulom sparsis. 



Spbacrococcus compressus Ag. 1. c. Sysl. p. 233! Hull. fy. Adj. p. 774! 

 Gracilaria compressa Grcv. Al<j. llrit. p. 12;>! J. AIJ. M<j. mcd. p. LM! 

 Harv. Phyc. Brit. tab. CC\ ! 



Plocaria comiiressa Endl.; Mont. I 1 'l. d'Alg. p. 70! 



II. 39 



