564 STEGOCARPI, ACROCARPI.  POLYTRICHUM. 
stiore densius reticulata latiusculo -lanceolata, madefacta 
apice stricta non incurva , superne dense serrulata, nervo 
multilamelloso, apicem foli fere totum occupante, dorso 
parce dentato, perich. longiora; theca in ped. longiuseulo 
laevi rubro erecta vel subinclinata cylindrico - ovalis, sub 
ore dilatato coarctata, papillosa, sexies callosa, operc. co- 
nico brevissime oblique acuminato; perist. dentes bre- 
viuseuli hyalini, medio lato-rufi; calyptra longe campa- 
nulata ochracea. —— 
Patria. Java: Blume. Hb. Al. Braun. 
A P. subtortile caract. laudatis facile distinguitur. 
22c. P. Belangeri C. Müll. I. p. 222. sub Eupolytri- 
cho! —  'Theca sexies! angulata. 
23. P. longisetum Hook. I. p. 217. sub Eupolytricho! 
— Theca biangulata quidem a Schwägrichen descripta, 
sed ex analogia et icon. certe sexies angulata! 
b. Theca 8-angularis. 
23b. P. octangulare C. Müll; dioicum; caulis cespi- 
tosus subhumilis simplicissimus strictiusculus; folia sicci- 
iate erecto-patula, plana, madore laxissime imbricata 
patentissima vel reflexa, brevia, e basi brevi latiuscula 
pallida breviter lanceolata, planissima, supra basin lamel- 
lis brevibus omnino obtecta, margine superne breviter 
sed robuste dentata; perich. similia; theca in ped. me- 
diocri purpureo laevi horizontalis ampla oblonga, octies 
leviter callosa, brunnescens, basi aequali grosse verru- 
cosa; perist. d. breviusculi lati 32 pallidi obtusi, apice 
subincurvi, medio rubiginoso - striati. 
Patria. America centralis, Aquacate in Costa Rica, 
alt. 1500: A. S. Oersted m. Novbr. 1847 deopercula- 
tum legit. 
Sectio V, HEupolytrichum C. Müll, — Plantae robustae 
simplices vel ramosae; folia juniperoidea plus minus stricta et im- 
bricata; theca cubica 4— 6 angulata, basi apophysi discoidea inae- 
qualis, 
