(V(H.. IV, l'.H2). rnAisz STKJMIA.M. si'i;(;ii:s iiKi'ATir,Ai!i'.M Tliysananthiis. 



lubulo parvo oldoiigo bideiilulo. Amphiyusiria oix)vata, apice emarginata 

 siil)(i(^ntala, mar.KJnibus l»asi lecurvis. Celhihr [)nrva', ovali-rotiintlae. 

 Fuliu in\oluci'alia inajora, apice obtusiora iiiagis dcnlata. Am/jhi(/aslria 

 inagna, apice denlata. Perianfhia triquetra, angiilis superne dentatis. 

 Ilal). Kameruii, Hagrii Kliimcii. (IMc IMIaiizc war iiiclil zii crlangcin. 



America tropica. 



o. Thysananthus dissopterus (S.i Sl. 



Smi. : Thj/sano/rjeunea dissoptera S. Hep. .\ni. .\ii(l.. p. 108. 



Iiioica inajor valida, llaccida, rulescens, depresso ciesi^itosa. Cauiia 

 ad 7 cm. longiis, irregularitcr pinnatus, pinnis longioribus paucis, 

 sparsim pimiulalis. Folia caulina dciisc imbricata, rectc patula,('oiicava, 

 margine postico late recurvo, iii |)!ano late ovala, 1,2 niiii. longa, 

 I mm. lata) apice acuta, brcvi basi inserla, basi anti('a rolundato 

 ajipendiculata. CelluUe snpera' 18X2" jj. basales 18X30 {j, trigonis 

 magnis acutis. Lobulus in silii occultus, in plano ovato-triangulatiis, 

 apice minute dentatus, in folii marginein attennatiis. Amphif/ustria cau- 

 lina inaxima, caule sextuplo-latiora, late (jbcuneata, siniiatim inseila, 

 apice late truncato-rotundata, integeninia vel denticulata. Verianthia 

 obovata, rostro breviuscuio, plicis duplicatim iilatis, bamatim spinu- 

 losis. Folia /loralia intima canlinis a'([uiiiiagna, late obovata, regulariter 

 validc(juc dentata, margine aiitico subnudo ; Lobulus folio {jaruin 

 brevior, maximus, late (jbovatus, apicc bilobatus, marginibus ubicjue 

 valide spinosis, bic illic duplit-atini spinosis. Amphigastriu^n /lorale 

 intinium late obcuneaiuin, foliis noralibusmajus, totam innorescentiam 

 obtegens, marginibus nbique irregiilariter deuscquc dentatis. Androecia 

 ignota. 



Hal). Cuijana. 



4. Thysananthus amazonicus (Sprucej St. 



Syn. : Thysanolejeunea amawnica Spruce. Hep. Am. .\ii(i., p. 106. 



Monoica magna robusta rigida, rufo- brunnea, in cortice dense 

 dcprcsso-c;espitans. Caulis ad 6 cm. longus, inferne simpliciter 

 remoteque pinnulatus, superne dense longeque ramosus, ramis sjjarsim 

 pinnulatis. Foliu caulina conferta, subrecte patula, valde concava, 

 margine |)ostico anguste recurvo, in jilano oblongo-elliptica (1,73 mm. 

 longa, 1 mm. lata) apice acuta vel apiculata, lata basi inserta, basi 

 antica brevilcr rolundata. integerrima. Cellulfr siijienp 9X'tS |J. basales 



784. 



