a NER a) 
- POTTIOIDEAE. Porni. 7-558 
lanceolata concava, nervo crasso ferruginea rubiginoso- 
mucronata, margine medio parum revoluta, apicem ver- 
sus sensim inaequaliter grosse serrata , marginata, basi 
e cellulis laxis amplis hexagonis pellucidis laevibus, su- 
perne minutis opacis tenuissime papillosis areolata; peri- 
 chaetialia majora; theca in ped. elongato flexuoso erecto 
purpureo cylindrico -oblonga robusta erecta fusca, oper- 
culo. conico longirostrato obliquo. 
Gymnostomum longirostre Br. et Sch. in Muse. Abyss. Schimp. 
H. No. 475. 
Patria. Abyssinia, in alpe Deggen altitud. 12000", 
3. Mart. 1840.: W. Schimper. 
Antheridia in axilla folii late cordato- acuminati bre- 
vis multa robusta, paraphysibus multis longe stipitatis et 
acute clavatis robustis fuscis breviter articulatis mixta. — 
Habitu Barbulae subulatae, P. HMeimii proxima et pul- 
cherrima species. 
b. Folia integra. 
t œ. Folia acuminata. 
cti 
10. P. eustoma Ehrh. (Beitr. II. p. 187.); monoica; 
laxe cespitosa v. gregaria, simplex v. dichotome ramosa, 
humilis v. elata; folia patentia et patula, e basi oblonga 
angusta elongate hexagone pellucide parce chlorophyllose 
reticulata tenera laevi sensim rotundato - ovata acuminata, 
nervo crasso viridi in mucronem plus minus elongatum 
` strictum producto, margine integerrimo v. apice obsolete 
crenulato plus minus revoluta, superne e cellulis. minori- 
bus amoene chlorophyllosis  diephanis veluti laevissimis 
areolata, plus minus complicate concava; perich. majora; 
theca in ped. brevi purpureo fruncato-obovata macrosto- 
ma, operculo e basi convexa oblique rostrato; calyptra 
glabra. 
P. truncata Br. Europ. 18 —20. p. 9. t. 4 et 5. — P. eustoma 
B. minor Ehrh, l. c. 188: —  Gymnost. truncatum Hdw. Musc, Fr. L 
p. 13. t. 5. — G. truncatulum Hdw. Fund. Musc. II. p. 87. — Brid, 
L p. 67. — G. cuspidatum Roehl. Ann. Wett. Gesells. I. p. 130. e 
Bryol. Germ. huc pertineat. Auctor ad Schkuh rium mississe di- 
citur; in ejus herbario autem frustra quaesivimus. — Bryum trun- 
