286 
70. Platy-Uypnum subsimplex Hedw. 
La goa Santa, in solo silvestri, m. Martio (Warrning). 
Observ. Stirps valde variabilis, minor subsimplex et major 
plusminusve ramosa, fobis planiusculis, vel flexuosis, setis bre- 
vibus et longioribus obvia. 
71. Platy-Hypnum curvicollum C. M. Synops. 
Lagoa Santa, ad arbores, m. Aug. leg. Warming. 
Chryso-Hypnum — Reptantia. Hyocomium Mitten. 
a. Calyplra pilosa. 
72. Chryso-Hypnum degantulum Hook. 
Lagoa Santa, in sil vis m. Martio (Warming). 
Observ. Monoicum, antheridia eolorata, folia evidenter squar- 
rosa, seta uncialis, theca minus curvata-cylindracea, operculo 
subrecto, horizontalis. 
73. Chryso-Hypnum expallescens Hpe., n. sp. 
Dioicum, mollius, minus squarrulosum, laxe repente pro- 
stratum, pallidum, parce nitidum. Caulis elongatus, irregulariter 
pinnatim ramosus; ramis simplicibus confertis, brevibus, adscen- 
dentibus, parce compressis, patente foliatis. Folia caulina tenera, 
semi-amplexicaulia, concava, latere parce impressa, leviter cor- 
dato-ovata, lanceolato-acuminata, fere sursum remote subtiliter 
denticulata, nervis binis pallidis brevibus inæqualibus; cellulis 
alaribus paucis minimis, quadratis, pellucidis, cæteris anguste 
parallelogrammis, nodulis minimis splendendibus interruptis, sub- 
conflatis; ramoruin humida subdistiche patentia concava, late 
ovata acute acuminata, in cæteris simillima; perichætialia basi 
vaginantia, erecto-patula, anguste ovata, longe lanceolato-subulata, 
integerrima, enervia; cellulis longioribus, nodulis minimis inter¬ 
ruptis, subincrassatis, minus diaphana. Seta rubro-flavescens, 
uncialis et ultra, erecla. Theca anguste ovato-cylindrica, rubra, 
horizontalis, sub ore parce contracta, operculo prominente, eon- 
vexo-conico-acuminalo, pallidiore, rostro brevi acuto, subrecto. 
