272 S. O. Lindberg. 



68. Thuyidium abietinum (L.) B. S. 



Hah. supra Nikolajewsk, sterile, 24 Ang. 1854, Maximovicz. 



69. Thuyidium crispifolium (Hook.). 



Hab. ad Nikolajewsk, sterile, 24 Aug. 1854, Maximovicz. 



70. Thuyidium longinerve n. sp. Lindb. 



Aufoiam, gregarium, depressum, planum, circuitu lanceolato, dense sim- 

 pliciter pinuatum, dense et subcomplanate foliatum; foliis caulinis patentibus. 

 valde concavis et biplicatis, subtriangulari-ovatis, abruptius subulatis, subula 

 angustissima et longissima, fere tota a nervo excurrente formata, margine 

 superne piano et remote denticulato, eellulis inferioribus papillulosis, ceteris 

 tevissimis; bracteis perichsetii interioribus plicatis, filiformi-subulatis, subula 

 tota a nervo formata; seta longissima; theca oblonga, curvata, cernua; an- 

 nulo lato; peristomio hypnaceo. 



/lab. ad truncos putridos arborum prope Mariinsk juxta flumen Amur, 

 fertile, 11 Junii 1856, Maximovicz. 



Planta 4 — 6 cm. longa et 6 — 9 mm. lata, gregarie crescens, luvido-brunneola, apicibus 

 iulvis, opaca, prostrata, arcuatulo-flexuosa et subtus dense uigro-radiculosa, circuitu lanceolato 

 vel lineari-lanceolato, plana, dense simpliciter pinnata, ramis simplicibus, patcnti-divaricatis, 

 prostratis, dense et subcomplanate foliatis, paraphylla deusissima, minuta, multiformia. Folia 

 cauäna vix decurrentia, patentia, valde concava, longe, late profundeque biplicata, vix auri- 

 culata, subtriangulari-ovata, acuta distincteque abrupte subulata, subula angustissima et longis- 

 sima ut subfiliformis et longitudine fere folii, flexuosula, pungens et sat crassa, margine supra 

 basin valde lateque reflexo, ceterum piano et remote denticulato, nervo crasso, carinato, dorso 

 prominente et lajvissimo, subulam inferne canaliculatam, superne planam et integram fere solo 

 formante; cellulœ pauUo incrassatœ, e basi ad medium folii minuta;, quadratte, prsesertim facie 

 externa folii papillulosse, supra medium elongato-rhombeœ vel breviter prosenchymaticse, lœ- 

 vissimse. Folia ramea vix plicata, ovata, brevius et latius cuspidata, ubique serrata, eellulis 

 omnibus oblongis et grossius papillosis. Perichœtia pauca (2 —5), cauligena, sat brevia, sub- 

 tus radiculosa, stramiuea, nitida. Bracteœ eorum circiter 16, longe vaginantes, erectse, in- 

 teriores plicatœ, abruptius filiformi-subulataj, subula longa, reflexa vel squarrosa, intégra, mar- 

 gine piano, tenuiter et remote denticulato, nervo crassissimo et lato, canaliculato, dorso valde 

 prominente et laivissimo, excurrente ut subulam totam formante, eellulis laivissimis, basilaribus 

 rectangularibus, Iaxis, superioribus augustis, breviter proseuchymaticis, paullo incrassatis. 

 Seta 2,5 — 3,5 cm. älta, gracillima, rufo-pallida, lievissima, infra medium sinistrorsum, superne 

 dextrorsum torta. Theca parva, 2 mm. longa et 1,25 ram. crassa, oblonga, curvata, cernua, 

 sicca sub ore rubello constricta, pallida, leptodermis, iajvissima, eellulis sat parvis, Iaxis, ir- 

 regulariter rectangularibus — quadratis, stomatibus nonuullis normalibus et superficialibus in 

 coUo, brevi et ad setam abruptiusculo. Annulus latus, triplex, longe persistens. Spori mi- 

 nutissimi, ferruginei, lajvissimi. Peristomium (integrum non visum) hypnaceum, dentibus in- 



