POTTIOIDEAE. GRIMMIA, > 655 
Gen. XXI. Grimmia Ehrh. I. p. 776. 
Calyptra. mitraeformis laciniata minuta. Perist, 
simpl. d. 16 lanceolati vel subulati, trabeculati, li- 
nea media exarati, integri vel fissiles, saepius ma- 
xime cribrosi. 
Sectio 1. Platystoma C. Müll. I. p. 776. —  Theca macro- 
stoma urniformis v. cyathiformis pro more immersa. 
6. Gr. anodon Br. et Sch. I. p. 780. 
Anictangium flaccidum De Not. in Maut. Muscor. ad Fl, Pede- 
mont. p. 46? 
9. Gr. tortuosa Hook. et Wils. I. p. 782. 
Fl. Antarct. IL. p. 400. t, 151. f. 7. 
Patria. Ad rupes quarzosas siccas montis Verret, 
alt. 1000^ parce vigens. 
10. Gr. falcata Hook. et Wils. I. p. 782. 
Fl. Antarct, IL. p. 401. t. 151. f. 8. : 
Patria. Ad rupes et saxa cujusdam catarractae, - 
Sectio I. Eugrimmia C. Müll. 1. p. 783. — Theca micro- 
stoma , in pedunculo recto vel cygneo; folia superne quadrate basi 
hexagone pellucide reticulata; perist. dentes integri vel 2 — 3 - fidi. 
Sectio I.. Dryptodon Brid. 1. p. 797. —  Theca et. perist. 
praecedentis; foliorum cellulae parietibus plus minus crenulatis 8. 
sinuatis, 
46. Gr. rupestris C. Müll. I. p. 803. 
Dryptodön rupestris Hook. et Wils. FI. Antarct. IL. p. 402. t. 
152, f. 1. 
Patria. Ad rupes humidas in declivibus Septentr. 
montis Foster, alt. 400 pedum, 
48. Gr. erispula C. Müll. I. p. 804; anguste annulata, 
operc. rostrato recto, theca erecta vel inclinata. 
Druptodon crispulus Hook. et Wils. F]. Antarct. I. p. 57. 
Sectio IV. Rhacomitrium Brid. I. p. 806. — Folia Drypto 
dontis, sed plantae irregulariter ramosae, ramulis lateralibus plu- 
ries divisae. 
53b. Gr. contermina C. Müll.; dioica; Gr. lanugino- 
sue simillima, sed minus lanuginosa et folia in pilum an- 
€, Müller; Synops, musc, frond. 42 
