516 STEGOCARPI. PLEUROCARPI. xxsrosTHoDON. 
sum, erectum breviusculum amoene lutescens, ramosum; 
folia elongate anguste lanceolata serrata, subcarinata, la- 
xissime reticulata pellucida albida, nervo subvalido sub- 
excurrente; perich. superne magis dilatata; theca brevis- 
sime pedunculata in perichaetio maxime patulo parum 
conspicua, globosa, medio rumpens, exaunulata tenerrima, 
operc. magno cupulato mammillato, calyptra campanulata 
parva, basi laciniata, superne angusta longiuscula glabra. 
Schistidium serratum Hook. et Wils, in Drumm, Musc. Amer. 
No. 20 et Sulliv. Musc, Allegh, No. 198, — C. tab. in Mem. of the 
Americ. Acad. of Arts and Sc. III. New. Ser. 1846, p, 60, t. 2. — 
Aphanorhegma serrata Sulliv. in litteris! 
Patria. Ad terram udam in Virginia et Ohione, haud 
rarum: Drummond, Sullivant. ; 
A Ph. Goniomitrio notis laudatis longe differt. 
Species incerti generis. 
6. Ph. laxum Hook. et Wils. (Fl. Antaret. II. p. 399. 
t. 151. f. 5.); cespites laxe cohaerentes altiusculi; caulis 
robustus subelatus laxifolius; folia caulina erecto - appressa 
laxe conferta, e basi angustiore longiusculà spathulato- 
ovato-acuminata, integra, e cellulis magnis laxissimis 
lutescentibus basi longioribus reticulata, nervo ultra me- 
dium evanido. 
Patria. In Archipelago Antarctico, Kerguelens Land: 
J. D. Hooker. 
Species memorabilis, sterilis tantum lecta. Ad Phys- 
comitria theca immersa forsan pertineat. 
Gen. IV. Entósthodon Schw. I p. 120. 
Calyptra dimidiata, Peristomium nullum vel sim- 
plex, rarius membrana interna brevissima irregulari- 
ter vel in dentes fissa duplex. Dentes sedecim lan- | 
ceolati exappendiculati, 
Ob thecam plerumque symmetricam a Funariis differt ; 
melius forsan sectio generis Funariae, cujus theca asym- 
