28 l. DICRANEX. [-Angstramia. 
3. A. VULCANICA (Brid. i. 466, Dicranum). Caulis elongatus, gracilis. 
Folia ovato-lanceolata, amplexantia, integerrima, superne interdum sinuata, 
nervo in acumen angustum excurrente, cellulis basilaribus oblongis, supe- 
rioribus angustioribus ellipticis pellucidis; perichzetialia e basi obovata, 
nervo longissimo excurrente tenui aristiformi acuta. Theca in pedunculo 
brevi, vix ultra apices foliorum perichzetialium exserta, oblonga, operculo 
acuminato, peristomii dentibus rubris. 
D. filiforme, Schwegr. t. 122. 
Hab. Andes Quitenses, Surruchuco, Jameson. Jamaica, Wilson. 
Caulis 2-uncialis, rigidus. Folia argenteo-lutea, nitida. 
Specimens all without fruit, but agreeing in other respects 
exaetly with Beauvais's specimen from the Island of Bourbon in 
Herb. Hooker. 
4. Bnacuxopnvs, Fürnr. 
Musei pusilli, foliis subulatis firmis. Habitatio in rupibus 
umbrosis. 
B. FLEXISETUS (Hampe in Linnea, xxxii. 132). Dioieus, gregarius, 
pulvinatim expansus, humilis, rufo-fuscus. Folia undique imbricata, semper 
patenti-erecta, parce flexuosa, e basi ovata subito acuminato-subulata, ob- 
scuriuscula, integerrima, nervo obscuro superne in subulam conflato in- 
distincto, cellulis basilaribus subquadratis diaphanis, in subula condensatis 
granulatis opacis, seta flexuosa adscendente vel incurva flavescente. Theca 
ovato-elliptica, humida, flavescens, operculo subulato recto dimidiam thecam 
metiente, calyptra mitrata conica subulata basi 9—10-lobata tertiam partem 
thecw vix attingente, peristomii dentibus erectis brevibus solidioribus dis- 
cretis coloratis annulo cinctis.— Hope, l. c. 
Hab. Andes Bogotenses, La Penna, ad saxa riparia (2900 met.), Lindig. 
Hiec species a nostra Europea (B. trichode, Fürnr.) facile discernenda 
est habitu aliquid majore, theca in seta flexuosa semper striata, peristomio 
magis evoluto, calyptra magis lobata. —Hampe, l. c. 
5. DICRANELLA, C. Müll. Syn. i. 430 (Seligeric sect.). 
Musei pusilli, graciles. Folia angusta, inferne laxe areolata, 
siccitate appressa, perichetialia inferne longiora. ` Thee in pe- 
dunculo gracili recto, interdum arcuato, operculo subulato-acumi- 
nato, peristomii dentibus breviusculis. Florescentia dioica, rarius 
monoica. Habitatio in terra, etiam ad rupes. 
Pedunculus erectus. 
Theca equalis. 
Folia apice obtusiuscula. 
Folia erecto-patentia, incurva, subulata l. D. exigua. 
Folia patula, incurva, lineari-subulata .. 2. D. tenuirostris. 
