610 STEGOCARPI. ACROCARPI.  LEPTOTRICHUM, 
natis, intimis enervibus. — Ab A. strumifera notis cur- 
sive impressis longe distat. 
18h. A. Wahlenbergii C. Müll; monoica; habitus 
A. virentis, sed crispatissima, gracilior; folia caulina 
omnia e basi infima angusta. superne sensim valde dila- 
tata convolutaceo -vaginante subito in subulam reflexam 
elongatam angustissimam acutam producta, leptodermia, 
margine magis involuta haud revoluta, obsolete denticu- 
lata, laevia; perichaetialia latius superne imo sinuato-va- 
ginantia ; theca brevior. 
ix  Dicranum virens Wahlenb, Fl. Lapp. p. 338. ex parte, — On- 
cophorus Wahlenbergii Brid. 1. p. 400. e descr. Wahlenbergii. — 
Dicr. virens B. Wahlenbergii Br. Europ. Fasc. 37 — 40. p. 15. tab, 
3. b. — D. Richardsoni Hook. in Drumm. Musc. Amerc. No. 1041 — 
D. microcarpum Hook. in Drumm. Musc. Amer. No. 105! forma mir 
nor, theca minuta, gracilior, in locis sterilibus tract, Rocky Mount. 
collecta. — D, compactum Fk. in sched. 
Patria. In turfosis Lapponiae, Labradoris, Americae 
septentrionalis, e Canada usque ad Rocky Mountains, et 
in Kamtschatka, unde ex Hb. Wahlenbergii a Tile- 
sio lectam habemus. Ex alpibus (Tritalpe) retulit Funk. 
Notis cursive impressis ab A. virente' certe distinctam 
speciem habemus. Var. y. serrata folis grosse serratis 
Br. Europ. verisimiliter quoque huc pertinet. 
++. — Humiles, 
23. A. cylindrica C. Müll. 1. p. 441. 
Patria. Pyrenaei centr., reg. montosa in rupib. are- 
naceis fragilibus montis Superbagneres: Spruce. 
Gen. VII. Leptótrichum Hmp. I. p. 446. 
Calyptra dimidiata. Perist. simplicis d. subulati 
ciliiformes 16 — 32 plus minus conniventes, basi in 
membrana plus minus exserta positi rubentes. 
b. Folia stricta. 
2. L. tenue C, Müll. 1. p. 447. 
