— 22 — 



Stem-leaves minute narrowly ovate-lanceolate long-acumiuate 

 filiform-pointed, minutely denticulate below, nearly entire above, 

 decurrent, not or faintly recurved, papillose at back, patent 

 when dry. Branch-leaves denticulate all around, sublinear or 

 subulate-acuminate; costa faint reaching to acumen. Capsule 

 minute suboval; pedicel about twice longer; teeth yellowish; 

 segments nearly as high; lid apiculate. Stem long filiform 

 subpinnate; branches flagellate very long. — Trees in subtro- 

 pical distr. r. Amer. U. S.: Congdon, com. Macoun; Lauglois, 

 com. Cardot. 

 2.M.flori(lanum Austin. — }\'eckera Aust.; Meteorium (?) Kindb. 



2 Leaves concave cymbiform plicate obsoletely papillose, narrowly 

 oblong-lanceolate, broadly revolute, entire or obsoletely serrulate; 

 cells minute, the basal broader; costa vanishing above middle. 

 Primary stem creeping with nerveless leaves; secondary stems 

 somewhat compressed, pendent or erect. — Trees r. Amer. 

 U. S.»: Lesq. et Jam. 



Fam. 8. HookeriacesB. 



20. Hookeria Taylor. 

 l.H.lsetevirens Taylor. — Cyclodictyon Mitten. 



Leaves elliptic-obovate obtusate filiform-pointed, slightly ser- 

 rulate above; lower cells hexagonal-oval; nerves reaching above 

 middle. Capsule oval inclined or pendent; teeth purpUsh; 

 segments entire as high with high basal membrane; lid long- 

 acuminate or rostellate. Monoecious. — Rocks near water r. 

 Eur. Ireland: Holt and Stewart. 

 2.H.varians SulUvant; Lesq. et Jam. 



Leaves suboblong acute sometimes short-acuminate, nearly 

 entire; cells round-hexagonal twice larger than in the last; ner- 

 ves reaching to middle. Capsule oblong horizontal or pendent, 

 very email; teeth purplish; segments entire; lid short-acuminate. 

 Polygamous. — Amer. r. »U. S.»: Lesq. et Jam. (Cuba: Wright, 

 com. C. Mueller). 



21. Callicostella C. Mueller. 

 l.Ccruceaua Duby. — Hookeria Duby; Callicostella Sauerbeck 

 et Jseger. 



Leaves oblong-hngulate not limbate, not appressed when dry; 

 upper cells papillose irregularly round-polygonal, lower short- 

 rectangular. Capsule very small, oblong or ovate-cylindric; 

 lid half as long; teeth dark purple, segments higher. Stem 

 irregularly divided. Plants small. Amer. r. »U. S.»: Lesq. et 

 Jam. (Mexico: Duby, herb. C. M.) 



