50 STEGOCARPI. - PLEUROCARPI.  NECKERA. 
Patria. In Teneriffae: insulae sylvis: prope. Laguna 
in arboribus: Rudley. i 
Sterilis hucusque nota , tamen a W. pennata- e spec. 
auth. diversa videtur. 
B. Folia acuminata, 
18. N. pennata Hdw. (Musc. Fr. HI. p. 47. t. 19.); 
monoica; caulis primarius longe repens, secundarius , al- 
tiuseulus late complanatus valde.graciliter pinnatus, pal- 
lide viridis; folia caulina dense conferta distichaceo - im- 
bricata , e basi parum coarctata minute auriculatd asym- 
metrico-lato - oblonga breviter. acuminata , caviuscula sub- 
integerrima, parum undulata, pallida, incrassate lineari- 
areolata; nervis binis brevibus tenuibus inaequalibus, 
margine erecto; perich. vaginantia longe lanceolato-acu- 
minata, basi laxius reticulata; theca immersa ovalis, ex- 
annulata, operc. conico obliquo, calyptra dimidiata glabra 
pallida; perist. d. ext. elongati anguste lanceolato - subu- 
lati nodosiuscule trabeculati, linea media obsoleta prae- 
diti albidi fragiles laeves, int. plerumque tenerrimi bre- 
vissimi fugacissimi laeves, perfecti aequilongi carinati rež 
mote articulati, 
 Daltonia pennata Arn. Disp. p. 54. — Neckera Distichia pen- 
mata Brid. I. p. 238. —  Cryptopodia pennata Röhl, Deut. Fl. TL 
p. 82. —  Pilotrichum pennatum P. B, Prodr. p. 83, — Hypnum 
pennatum Gmel, Syst, Nat. H. p. 1340, — Weisia pennata Schrank. 
Baiers, Fl. ll. p. 445. — Fontinalis pennata L. Sp. PI. p», 2994 5 s 
Sphagnum pennatum, undulatum, vagina squamosa, Dill. Muse, p. 
250. t. 32. f. 9. 
f. tenera; tenerior oligocarpa, ramulis in flagella te- 
nuissima elongata flexuosa viridia productis, folia e cel- 
lulis diaphanis laxiusculis haud conflatis composita. N. 
oligocarpa Bruch, in schedulis! — ` N. intermedia "Thedenius ex 
Angström ! i 
Patria. Per totam Europam, sed passim, in sylvis 
ad arbores, rarius ad rupes umbrosas et per terras me- 
diterraneas ad Cap. b. spei producta. In America Ssepten- 
trionali haud rara videtur. Var. £. in Suecia, Lapponia 
et Finlandia. — Vere, sed rarius fertilis, 
