162 
lulis brevioribus parce incrassatis, minime nervosa; perichælialia 
pauca patula, angustiora, exteriora lanceolata attenuato-acuminata, 
denticulata, inleriora parva ovata, vix denlata, enervia. Seta 
brevis rubens parce ramos superans apice calloso-incrassata. 
Theca parvula urceolaris, deoperculata sub ore parce constricta 
ruberrima; peristomii dentibus brevibus incurvis, exter. lanceo- 
latis acutis rubris, dense trabeculatis, linea media sulcata pellu- 
cidis, membrana interna pallidiore colorata, cruribus carinatis 
lanceolato-subulatis erectis opacis, parce fenestratis. Cælera 
desunt. 
Inter Hookeriam hypnacearn parcissime leeta. 
Hæc minima generis, maxime hyalina, theca minuta, vix 
oculo nudo conspicua urceolari, foliis comalibus brevioribus obtu- 
siusculis densius denticulalis subenerviis, cellulis minoribus cras- 
sioribus certius cognoscitur. 
120. Hookeria cirrhosa , nova species. 
Monoica, flavescens, breviter ramosa, repens, ramis vix 
compressis, undique foliatis, apice aduncis. Caulis solidior al- 
bescens, parce fibrillosus, paulisper complanatus. Folia sub- 
homomalla, sicca flexuoso-cirrhata, humore deorsim falcato-flexa, 
plus minusve explanata, vel semel torta, parce asymetrica con- 
cava ovato-lanceolata elongate aeuminata, versus apicem noduloso- 
dentata; nervis parallelis elongatis pallide viridibus, superne ( 3 / 4 ) 
evanidis, cellulis brevibus parallelogrammicis pellucidis, nodulis 
pallidis interruptis, infimis paulo latioribus angulatis, folia inte- 
riora paulo angustiora conformia; perichælialia patula, interiora 
concava, ovato-lanceolata elongate aeuminata denticulata, enervia; 
perigonalia parva concava ovata acuta subintegerrima enervia. 
Seta ramos longe superans, rubra nitens, apice inerassata ineurva. 
Theca parva sub-urceolaris opaca, basi strumosa, subhorizontalis; 
operculo conico-subulato recto; peristomii dentibus exter. san- 
guineis opacis dense trabeculatis, medio sulcatis, diaphanis, 
membrana interna lutescens plicata, cruribus carinatis acutis. 
