60 OdontocMsma 



descendentes ope flagellorum radicantes ; ramis foliosis 

 paucis, cauli conformibus. Cellidce in caulis diametro sub 

 8, corticales 20 — 22- seriate internis subsequimagnae et 

 concolores, interdum magis opacce. Folia basi diagonal! vel 

 fere longitudinali inserta, late ovata vel suborbiculata 

 rotundata retusave, rarius obcordata vel emarginato-bi- 

 dentata, pro more concava, integerrima ; cellulcE mediocres 

 — minutulse sequilaterse, pariete in aliis speciebus teuui in 

 aliis ad angulos incrassato, cuticula plerumque scaberula. 

 Foliola minuta et vel ubiqne obvia, vel pro parte obsoleta, 

 interdum nulla. Flores in plerisque dioici, in paucis 

 monoici ; o cladogeni. Bractece tristichse j)lerumque bifidse 

 — rarius 3 — 4-fidas. Perianthia ran,gnn. leptodermia trigono- 

 fusiformia, ssepissime angusta, oreciliata denticulatave inter- 

 dum cla^^isa et rima laterali deliiscentia. Calyptra leptodermis. 

 Capsida cylindrico-oblonga cseteraque omnino CephalozicE. 

 Andrcecia amentis parvis albidis posticis constantia, ra- 

 rissime robustiora et terminalia. — Hab.etDistrib. Species 

 (paucce bene cognitse) arborum imos truncos, cariosos vel 

 excisos prsecipue, et sphagneta diligunt, totis terris tropicis 

 et temperatis borealibus vigentes, Australasicis ut videtur 

 exules. 



30. Cephalot^ozia Sphagni. 

 Jun(jermania Splicujui. Dicks. Crypt. Brit. (1785). 



Dioica, caule elongate subaequifoliato, ope flagellorum arcuato- 

 radicaiite, ramis gemmiparis nulliB. Folia siibliorizonaliter patula vel 

 assurgeuti-secunda ovato-rotuiiLla-oblongave, rotundata retusulave, sub- 

 concava, plus minus distincte niarginata ; cellulas mediocres subopacjB, 

 pariete ad angulos incrassato, cuticula verruculosa. FoHola nulla vel 

 perrara, minuta ovata Integra bifidave. Bnicteo' Q foliis submajores 

 ssepissimeque pellucidiores recurvulse cuneato-oblongse ad i fere bifidae 

 integerrimse. Penanthia foliis 3 — 6-plo longiora subulato-fusiformia 

 trigona albida roseave unistrata, ore vel in lacinias sub 6, ciliatis, fissa, 



