od!\ J. 'l'RI/INA ET J.-E. PLANCHON (E. UABIPEi. 



** Theca emersa seta longiore. 



8. Orthotrïchum elongatum Tayl.; C. M.,Syn., I, 706. 



Bogota, Pacho, altit. 2200 metr. etParamo Choachi, altit. 2000 metr. 

 in sylv. ad arb., julio et aug., legit pauca specimina A. Lindig. 



4. Orthotrïchum recurvans Schimp. in musc, mexicanis. — 

 Monoicum, laxe cespitosum, minus, yîx unciale, fastigiatum, 

 rufescenti-viride. Caulis adscendenti-erectus, basi fusco-tomen- 

 tosus, superne diviso-ramosus. Folia laxe imbricata , sicca 

 accumbentia, humida patentia, apice recurvo carinato-concava, 

 e basi vaginante late ovato-lanceolata, acuminata, margine 

 reflexo integerrima ; nervo pallide fuscescente, an te apicem 

 evanido ; cellulis alaribus lœvibus quadratis hyalinis, intermediis 

 elongatis angustioribus parce nodulosis lutescentibus, caeteris 

 dense aggregatis minimis, granulato-papillosis, subopacis. Seta 

 brevis, emersa; theca erecta, elliptico-cylinclrica, sub ore rubro 

 parum constricta, flavescens, leevis, vetustafuscataplicata, oper- 

 cule conico subula brevi coronato pallidiore. Peristomium 

 duplex; exter. dentibus geminatis (8 paria) demum discretis 

 lanceolatis siccitate reflexis aurantiacis, in ter. ciliis 16 sub- 

 a3quilongis et concoloribus subulatis, simplicibus, nodulosis. 

 Calyptra flavescens, valde pilosa, longa. 



Bogota, Los Lâches, altit. 2700 metr., ad saxa, martio 1863, leg. 

 A. Lindig. 



O. elongata Tayl. affine, sed minus, gracilius, seta breviore et theca 

 angustiore primo visu differt. 



Subgen. — ULOSA, Brid. Schmp, 



5. Orthotrïchum rufescens Hpe. — Dense cespitosum, 

 0. crispulum eemulans , sed intense rufescens. Caulis gracilis, 

 inferne tomentosus, superne diviso-ramosus. Folia crispula, 

 dense imbricata, inferiora minora, humida recurvato-crispula, 

 ovato-lanceolata, carinata, sulcata, acuta, margine erecto integer- 

 rima, nervo lutescente versus apicem evanido. Cellulis basila- 



