PLEUROCARPI, ASTOMI. PLEURIDIUM,. 161 
is, Dense caespitosum, rarius solitarium, perenne. 
Pleuridium alternifolium Gees ) caulescens, declinatum, 
ramis erectis, foliis anguste ovato - lanceolatis alternis, pe- 
richaelialibus lancéolato;- xs eii longissimis, theca ovatå 
axillari terminalique. immersà. Mant. Musc. p. tos Bergen, 
Nom. Crypt. p. 537. 
y Phascum alternifolium, caulibus capsuliferis nanis, steri- 
libus altioribus erectis, foliis lanceolatis alternis, ^ Dess 
Fasc. I. PL Crypt. p-3. t. I. f. 2, Hrznw. Sp. Musc. p. 24 
P. alternifolium, caule prostrato, ramis ereclis, foliis al- 
ternis ovato - acuminatis, perichaetii axillaris lanceolato- 
subulatis. Scnwazcon. Suppl. I. P. I. p. 40. t. X. Fusck. Moos- 
Zosch, p. 3. t.1. La PvLaiE. Journ. Bot. 4813. p. 963. t. XIX. 
f. t4. Hoos, ef Tavr. Musc. Brit. p. 6. t. V. Buren, Fl. Brit. 
III. p. 1157. Engl. Bot. t. 2107. Wm, 786. Ho, 253. RELH. 
41:3. Assor. 999. Par. Beauv. Prodr. p. 81. 
Germ. Seitenkópfchen mit abwechselnden Blättern, GALL. 
Flandrillette à feuilles alternes. Axon. Alternate leaved 
arth- moss, SMITH, 
In uliginosis UL ubi clar, Saz detexit, prae- 
sertim in Cambridgshire et E Wer et in 
Saxoniae arvis dee incultisque herbidis prope Dornam 
sum cauliculis basi tomento radiculoso implexis intertex- 
tisque. Ab Aprili in Junium usque thecae maturantur; ab 
hinc innovationes anno sequenti frucliferae aliaeque steri- 
les protruduntur. 2l. 
Caulis varius, primo erectus, simplex dichotomusve, acro- 
carpus; fere ut in P. subulato, serius infra fructum in- 
novans, unde fructus lateralis fit aut talis videtur. Inno- 
vationes dimorphae, hae breviores, fructiferae, pareali si- 
Il. É 
