1024 BULLETIN DF L'HERBIER BOISSIER (2m söR.). Jamesomiella. 
S. hamata. St.n. sp. 
Parva, fulva, gregarie crescens, humilis. Caulis ad 10 mm. longus, 
simplex vel pauciramosus, subteres, validus, radicellis, longis fuseidulis 
fasciculatis repens, superne procumbens. Folia caulina late ovato-falcata, 
ubique æquimagna, apice obtusa, interdum erosa vel acuta, integerrima. 
Cellulæ foliorum subapicales 12 x 27 u, parietibus maxime incrassatis, 
lumine earum ilaque optime rotundato, medianæ 12 X 36 u, parietibus 
minus validis, basales 18 X 45 y, teneræ. Paraphylla foliiformia, late 
lanceolala vel spathulata, varie incisa, multo minus conferta minusque 
numerosa quam in St. paraphyllina, foliisque haud insidentia. Flores 
feminei ut supra descripti. 
Hab. Argentina (Loreniz), Brasilia subtropica (Puiggari ?) 
JAMESONIELLA Spruce 1876. 
Plantæ foliiferæ, majores vel spectabiles, terricolæ, rarius muscicolæ 
vel corticolæ, sæpe rigidæ et fragiles, profunde cæspitosæ vel intricatim 
procumbentes. virides, sæpe flavo-rufescentes vel sanguineæ. Caulis e 
caudice subterraneo ortus, apice incurvus, subteres, validus, ætate fuscus, 
in paucis paraphylliferus, radicellis pallidis repens, superne vulgo arhizus 
et procumbens vel erectus, hic illie e basi foliorum postica fasciculatim 
radiculosus, sub flore innovatus, ramis lateralibus rarioribus, vulgo 
posticis parvifoliis parum numerosis; stolones in medio infero caulis 
postici. Folia caulina alterna, succuba, integerrima, ovala vel subrotunda, 
superiora erecto-conniventia, concava, adulla plus minus explanata, 
oblique- in paucis prærupte- inserta et fere semiamplexicaulia. Cellulæ 
trigonis majusculis vel maximis incrassat&, medio basis semper elongalæ, 
cuticula lævis, in paucis verrucosa. Amphiy. caulina nulla. Inflorescentia 
dioica. Folia floralia paucijuga, caulinis vix majora, vulgo utrinque 
armata, intima multo minora, occulta, varie, sæpe maxime profundeque 
lacerata. Amphig. floralia magna, libera vel coalita similiterque lacerata, 
Perianthia fertilia longe exserta, obovato- oblonga, medio supero pro- 
funde pluriplicata, ore amplo breviter, lobulato integro vel crebre armato. 
Capsula (in paucis tantum cognita) ovalis, in pedicello longiusculo, ad 
basin usque quadrivalvis, valvulis bistratis interne semiannulatim 
jnerassalis. Sporæ parvæ, asperæ. Elateres breves, laxe bispiri (haud rare 
elateres persistentes in fundo capsule magni 3-4 spiri inveniuntur). 
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