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32
Nova Bartramiæ species. 3!
lam acutissimam, margine plenam et serrulatam attenuatis,
nervö continuo, applanato, latissimo, subulam fere solo
for-mante, seta brevi, crassiuscula, inter bracteas inclusa,
cap-sula magna, suberecta et subregulari, subglobosa, sulcata,
ore parvo, peristomio nullo vel maxime rudimentario et
irre-gulari, simplici, hyalino, lævissimo, sporis majusculis,
brun-neis, papillulosis, operculo minuto, convexo, medio paullum
elevatiore.
Ilab. unà cum B. ithyphylla in rupibus ins. Maasöe, 71° 1. b., prope
Magcröe Finmarkiæ occidentalis Norvegiæ, ubi d. 18 Julii 1864 detexerunt
Amicc. Th. M. Fries et S. Henschen.
Cinspites sat robusti, 2—4,5 c. m. alti, densi, copiosissiino tomento
fusco valde contexti, apice virides, opaci. Cattlis paree et subdichotome
ramosus, densifolius. Folia patenti-erecta, e basi brevi, obovata, cauli
adpressa et vaginante, vix albicanti-nitida, fere sensim angustata in
subulam angustam et fragileni, subflexuosam, acutissimam, margine recto,
ubique serrulato, nervö continuo, applanato, indistincto, maximam partem
subulæ formante, cellulis baseos vaginantis hyalinis et lævissimis,
rectan-gularibus, ceteris multo minoribus, rectangulari-qnadratis, in paginis folii
ambabus papillosis. Bractece perichætii fjliis simillimæ, paullo majores
magisque vaginantes, capsulam sæpe superantes. Vaginula oblonga, a
copiosissimis paraphysibus filiformibns et organis generationis brevioribus
obtecta. Seta 3— 5 m. m. longa, stricta, crassiuscula, brunnea, inter
bracteas inclusa. Capsula magua, suberecta et subregularis, subglobosa,
brun-iieo-pallida, plicata, leptoderma, orificio minuto, exannulato, pius minus
gymnostomo. Peristomiuni simplex, maxime rudimentarium et irregulare,
hyalinum, lævissimum. Spori majusculi, brunnei, papillulosi. Operculum
minutum, paullo convexum, medio elevatitis, brunneolum, leptodermum.
Calyptra angusta, submitræformis, uno latere fissa, lutea, apice brunnea.
B. ithyphylla B rid., habitu simillima, differt cæspitibus minus densis
et radicantibus, basi foliorum albicanti-nitidissima, seta longa, capsula
irre-gulari et obliqua, ore majore, peristomio duplici, perfecto et regulari. —
B. subulata B. S. gracilitate, inflorescentia paroica, seta longa, gracili,
capsula minore, erecta et regulari, ut et foliis multo densius scrratis et
papillosis. — B. Webbii C. Milli. Synops. I, p. 504, n. 54: 1849
(Ghj-phocarpus Webbii Mont. in Ann. sc. nat. II. Ser., IX, p. 56, n. 97:
1838 ct Pl. cell. Canar. p. 28, tab. 2, fig. 2: 1840; B. brachypus B. S.
in Musc. abyss. n. 441. C. Mull. Synops. I, p. 497, n. 41: 1849; B.
giaiiatensis Schimp. Coroll. p. 85, n. 7: 1855 et Synops. p. 421, n. 7:
1860) statim dignoscitur capsula sessili et lævi.
Obs. Papillæ foliorum Bartramiacearum a transvcrsalibus (e ratione
folii) suturis elcvatis cellularum formantur, qua structura orein, labris arcte
adpressis, simulant, a latcre visæ.
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