Stem-leaves minute narrowly ovate-lanceolate long-acuminate 
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 subítro- - 
pical distr. r. Amer. U. S: Congdon, com. Macoun; Langlois, | 
com. Cardot. [à 
2.M.floridanum Austin. — Neckera Aust.; Meteorium (?) Kindb. | 
. »Leaves concave cymbiform plicate obsoletely papillose, narrowly — 
oblong-lanccolate, 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. 8.»: Lesq. et Jam. 
Fam. 8. Hookeriaceze. 
20. Hookeria Taylor. 
1.H.letevirens Taylor. — Cyclodictyon Mitten. 
Leaves elliptic-obovate obtusate filiform-pointed, slightly ser 
rulate above; lower cells hexagonal-oval; nerves reaching abov 
middle. Capsule oval inclined or pendent; teeth purplish 
segments entire as high with high basal membrane; lid long 
acuminate or rostellate. Monoecious. — Rocks near water T 
Eur. Ireland: Holt and Stewart. 
 2.H.varians Sullivant; 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 small; teeth purplish; segments entire; lid short-acuminate 
Polygamous. — Amer. r, »U. S.»: Lesq. et Jam. (Cuba: Wright, 
com. C. Mueller). 
21. Callieostella C. Mueller. 
1.C.eruceana Duby. — Hookeria Duby; Callicostella Sauerbee 
et Jæger. 
Leaves oblong-lingulate not limbate, not appressed when ary; | 
upper cells papillose irregularly round-polygonal, lower short- 
rectangular. Capsule very small, oblong or ovate-cylindrie; 
lid half as long; teeth dark purple, segments higher. Stem 
irregularly divided. Plants small. Amer. r. »U, S.»; Lesq. 
Jam. (Mexico: Duby, herb. C. M.) : o RT 
