Additamenta ad cognitionem Sargassorum. 
25 
1849. „Caule compresso, laevissimo, foliis rotundato ellipticis, 
crenato dentatis, obsolete costatis sparsim glandulosis; vesiculis in 
petiolo plano ipsis sublongiore obovoideis muticis yel breviter 
apiculatis; receptaculis axillaribus dichotomo ramosis, cylindraceis 
verrucosis, inermibus.“ (Zan.) 
Hab. in mari rubro prope Suez (leg. Portier), in mari rubro 
(leg. Bov6 in Mus. Paris, Clot Bey), ad litora Somaliensia, Mom- 
bassa (leg. Hildebrandt), ad litus Abyssiniae (Herb. Berol.), in sinu 
Persico, Manala Dalak (leg. Steudner), Suez (leg. Portier), India 
Orient, (leg. Wight). 
In specimine authentico vidi folia e basi cuneata obliqua 
saepe eximie arcuata, obtusa, minute dentata, minute glandulosa, 
15—25 mm longa, 4—10 mm lata; vesiculas subovatas, usque 7 mm 
longas et receptacula androgyna dense cymosa inermia, 5 mm alta. 
In icone Greyilleana folia, sunt 1—4*5 cm longa, 4—15 mm lata; 
vesiculae usque 1 cm longae. Folia omnium rigida, obscure fusca 
vel subolivacea. A 8. aquifolio Turn, differt foliis minus profunde 
dentatis, magis arcuatis et vesiculis oblongis, a S. Freseuiano J. Ag. 
(imperfecte cognito) foliis rigidioribus (et receptaculis?). 
Var. subcompressa Grün. (Gior. Bot. Ital., Yol. XVI, Nr. 3, 
P* 310 > 1884). Ramis subcompressis, foliis rigidis obscure olivaceo 
fuscis, angustioribus, integerrimis vel obsolete dentatis, vix arcuatis, 
vesiculis subsphaericis vel ovatis, receptaculis androgynis inermibus, 
brevibus, cymosis. 
Hab. in mari rubro, Baja d’Assab (leg. Marcacci). 
Folia 5—25 mm longa, 3—7 mm lata, vesiculae 2—4 mm longae. 
167. S. Jierbaceum Kütz. (Spec. Alg., p. 607; Ktitzg., Tab. 
pbyc., Yol. XI, Tab.. 2. 2). Caule . . ., ramis compressis, ramulosis, 
succulentis; foliis e basi cuneata elongato-lanceolatis, acutiusculis, 
subruncinato-dentatis, nervo percursis, sparsim vel biseriatim glan- 
dulosis, mollibus, chartae arcte adhaerentibus; vesiculis sphaericis 
vel obovatis, muticis vel apiculatis, petiolo plano cuneato ipsis 
aequali vel parum longiore suffultis; receptaculis androgynis iner¬ 
mibus, cymoso-fasciculatis. Color olivaceus. 
Hab. in sinu Persico ad insulam Karek (leg. Kotschy). 
lolia 1 5*5 cm longa, 1—7 mm lata, vesiculae 2—6 mm longae, 
1 6 mm latae. Receptaculorum fasciculi laxi, usque 6 mm alti. 
