41 
Sect. I. Unguiculatae. 
Folia oblongo- vel lineali-lanceolata, chlorophyllosa, an- 
gusti - costata, costa nuda haud in pilum excedente; flo- 
ribus dioicis. Peristomii dentes in membrana basilari 
perbrevi. 
1. BARBULA UNGUICULATA Hedw. 
Longe lateque caespitosa, caespites molles, virides. 
Folia ovato- et oblongo-lanceolata, costa viridi excedente 
mucronata, inferne plano-concava, margine e medio ver- 
sus basin revoluta, apice carinata, alis subrecurvis vel 
planis, perichaetialia intima angustiora, linealia, omnia 
siccitate complicata hamato - incurva. Capsula elongato- 
elliptica vel subeylindrica, regularis vel leniter incurva, 
leptoderma, rufo-fusca. Calyptra angusta, longirostra, pau- 
lum infra operculum continua. Operculum e conica basi 
in rostellum longum rectum vel curvulum productum. 
Annulus nullus. Peristomii dentes pulchre purpurei, ter 
quaterque convoluti. 
Barbula unguiculata Hedw. Stirp. I, p. 59, T. 23. — Brid. Bryol. 
univ. I, p. 563. — Br. et Sch. Bryol. eur. II, p. 18, T. 
142, 143. — C. Mull. Synops. I, p. 612. — Sehimp. Sy- 
nops. Musc. eur. p. 167. — Mart Pr. Fl. mosq. p. 192. — 
Weinm. Syllab. I, p. 485. 
Bryum unguiculatum Dill. Hist. Musc. 
Habit. in campis aridis, viis, muris et ericetis; Goldb., 
Boschn. 
Fruct. matur. Majo. 
2. BanBULA FALLAX Hedw. 
Caulis junior simplex, annosior innovando ramosus, 
elatus, basi infima et ad pedem innovationum radicans. 
Folia squarrosa et recurvo-divaricata, siccitate tortilia, e 
