986 
70. Platy-Hypnum subsimplex Hedw, 
Lagoa Santa, in solo silvestri, m. Martio (Warming). 
Observ. Stirps valde variabilis, minor subsimplex et major 
plusminusve ramosa, foliis planiusculis, vel flexuosis, setis bre- 
vibus et longioribus obvia, 
741.  Platy-Hypnum curvicollum C. M. Synops. 
Lagoa Santa, ad arbores, m. Aug. leg. Warming. 
Chryso-Hypnum — Reptantia. Hyocomium Mitten. 
ag Calyptra pilosa. 
72. Chryso-Hypnum elegantulum Hook. 
Lagoa Santa, in silvis m. Martio (Warming). 
Observ. Monoicum, antheridia colorata, 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 inægqualibus; cellulis 
alaribus paucis minimis, quadratis, pellucidis, cæteris anguste 
parallelogrammis, nodulis minimis splendendibus interruptis, sub- 
conflatis; ramorum 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, erecta.. Theca anguste ovato-cylindrica, rubra, 
horizontalis, sub ore parce contracta, operculo prominente, con- 
Vex0-conico-acuminato, pallidiore, rostro brevi acuto, subrecto. 
