682  STEGOCARPI. PLEUROCARPI. | uyPscw. 
nitifolio foliis nunquam contortis, ab H. sphaerocarpo co- 
lore et thecae forma primo visu jam distinguitur. 
Suhsectio 11. Eduomalia C. Müll. II. p. 243. — Caulis. plus 
minus robustus, dichotome divisus; folia plerumque angustius reti- 
culata, symmetrica, laevia, rarius secunda, 1— 2 - nervia. 
I. Folia uninervia. 
46b. M. contorte-operculatum C. Müll.; monoicum; 
cespites dense prostrati deplanati pallide virides; caulis 
arcte adhaerens flexuose repens dichotome divisus. lon- 
giusculus, anguste complanatus; folia siccitate maxime 
patula remotiuscula subcontorfa ascendentia, madore pla- 
nissima appressa, e basi angustiore vix complicata igitur 
subasymmetrica, e cellulis alaribus laxiusculis pellucidis 
chlorophyllosis reticulatà oblonga breviter acuminata in- 
tegerrima, elongate laxiuscule reticulata, virescentia, nervo 
unico dimidiato; perich. minora, lanceolata, longius acu- 
minata, dppressa, pellucidiora, laxius reticulata , nervo 
saepius obsoleto; theca in ped. elongato intense fusco 
laevi tortili tenui erecta angustissime cylindrica longius- 
cula, intense fusca, sicca cartilaginea, exannulata , oper- 
culo subulato contorte obliquo; perist. d. ext. angusti ru- 
biginosi fragiles, interni breves angustissimi subeiliifor- 
mes lutei, ciliis siugulis rudimentariis vix conspicuis. 
Patria. America centralis, Costa Rica, in reg. mon- 
tosa inter 5000 -- 8000 ped., mens. Febr. et Apr. 1847. 
legit A. S. Oersted. 
Ab H. seminervi simili notis designatis et ab omni- 
bus congeneribus operculo contorte obliquo primo visu 
differt. Habitus H. denticulato haud dissimilis. 
H. Folia binervia vel enervia. 
77b. M. Chrismari C. Müll; monoicum; tenerrimum 
flaccidissimum late prostratum intertextum pallide virens, 
ramis longissimis flexuosis flaceidissimis nitidulis larifo- 
liis perangustis, saepius breviter divisis; folia caulina 
laxe distichacea, siccitate et madore patula, symmetrica, 
longe ovato -acuminata cuspidata, flaccidissima leviter pli- 
