7O PATAGONIAN EXPEDITIONS : BOTANY. 



altus, simplex vel parce furcatus, summitate innovando ramulosus, rigidus, 

 robustus, fere usque ad apicem ferrugineo-tomentosus ; folia densa, sicci- 

 tate suberecta, suprema interdum subuncinata, flexuosa vel plerumque 

 cirrhata, medio apiceque plana, humiditate e basi erecta patentia, stricta 

 vel leviter arcuate recurvata, vix decurrentia, excavate subauriculata, 

 auriculis in tomento occultis, e basi lata, oblonga, amplexicauli raptim 

 contracta, longissime capillari-attenuata, usque ad 1 1 mm. longa et basi 

 i mm. lata, canaliculata, superne interdum subconvoluta, marginibus basi 

 medioque integerrimis, apicem versus serrulatis, summitate serratis, nervo 

 valido, dilatato baud bene limitato, basi c. 0.54 mm. lato, longe infra me- 

 dium folii laminam totam occupante, dorso dense papilloso-scabro ; celhilce 

 pallide virides, pellucidae, angustae, elongatae, parietibus interrupte et 

 mediocriter incrassatis, alares numerosae, distincte limitatae, nervum at- 

 tingentes, breviter rectangular, hyalinae vel omnino pallide aureo-brunneae ; 

 bractece perichcetii foliis caulinis multo breviores, erectae, cylindraceo-con- 

 volutae, superne raptim contractae, cuspidatse, anguste nervosae, nervo ex- 

 currente, cuspidem formante, cellulis angustis, elongatis, laevissimis ; setce 

 singulae binaeve, erectae, strictae tenues, 2-3 cm. altae, flavo-brunneae ; theca 

 cylindrica, erecta, stricta, c. 3 mm. longa et 0.7 mm. crassa, olivacea, 

 laevissima, aetate avellanea et baud rare plus minusque sulcata, siccitate 

 paulum sub ore constricta; denies peristomii rubri, 0.5 mm. alti et basi 

 0.075 mm. lati, longe infra medium in cruribus binis, rarissime ternis, 

 filiformibus fissi, superne nodulosi, papilloso-scabri, inferne longitudinaliter 

 denseque papilloso-striati, papillis minutissimis, lamellis 6-9, validis ; 

 opercuhim convexe conicum, subulate rostratum, rostro theca aequilongo 

 vel longiori, maturitate curvato ; cetera ignota. Hab. Patagonia australis 

 in territorio fontinali fluminis Rio Chico, ubi ad basin Nothofagi ptimilionis 

 (Poepp. et Endl.) Blume, occurrit. 



An excellent species, most nearly allied to D. laticostatuni Card., differ- 

 ing from that species in its shorter stem, in the dry state its curled leaves, 

 straight capsule, etc. 



DlCRANUM SCABERRIMUM Dus. 

 PL VIII, Fig. I. 



Syn. Campylopus scaberrimus Broth, in sched. 



Dense caespitosum, sordide flavum, fere longitudine tota dense ferru- 

 gineo-tomentosum, usque ad i dm. altum ; catilis strictus, erectus, sim- 



