quam B. unguiculata, opercula decutit. Peristomium 
valde fugax. 
49. Barb. unguiculata Hedw. Weinm. Petrop. 1837, p. 115, 
no. 90. Syllab. 1845, p. 59, no. 6. 
In argillosls et ad saxa frequens, copiosissime pr. Gatczi- 
nam. Aprili et iterum Septembri, Octobri. 
ß. apiculata Hedw. == B. apiculata Weinm. Petfop. 1837, 
p. 115, no. 88. 
In locis lapidosis siccioribus et in graniticis schistosis 
parce. Weinm. Ipse pnPawlowsk et Gatczinam in argilio* 
sis. Vere et aestate. 
7. cusptdata Schultz. 
In terra arenosa semel prope Gatczinam! Weinm. Syll. 
p. 60. Ipse quoque ad canalem Ligovka, in declivibus ar- 
gillosis 
50. Barb. convoluta Hedw. Weinm. Petrop. 1837, p. llo, 
no. 91. Syllab. 184.5. p. 59, no. 5. 
In muris vetustis pr. Gatczinam! rarissime. Autumno. 
Weinm. Ipse in locis lapidosis pr. Gatczinam, in turfosis 
prope Orlino copiose, et in argillosis pr. ßabolowa. A 
medio Majo in Septemb. Circa Chinkolowam, in argillosis 
legerunt Dr. Ruprecht et Maximoviczl 
51. Barb, ruratis Brid. Syntrichia ruratts Weinm. Petrop. 
1837, p. 115, no. 92; Syll. 1845, p. 62, no.2. Bryum ruraU 
Sob. Petrop. 1799, p. 255, no. 714, ed. ross. II, 1802, p. 
293, no.732; Mntum rurale Georgi 1790, p. 522^no. 659 
et Bryum rurate ejusd. l. c. no. 669. Kr. ed. Gort. 1761, 
p. 169. Kr. cod. mss. no. 481. (Ex syn. Dill.) 
In arenosis, saxis, muris, tectis, sec. Sob. in truncis ar- 
borum vulgatissima, (ipse non vidi) at fere semper sterilis. 
In montosis DuderboviiI Krasz. Fructus maturos semel 
tantum medio Jun. legi. 
(52.) Barb. subulata ßrid. Br, subidatum Sob. Petrop. 1799, 
p. 253, no. 709, ed. ross. II, 1802, p. 292, no.727; Georgi 
1790, p. 522. no. 676. 
Habitat in pratis et sylvis circa Petropolin. (Sob. I. c.) 
