VolV, No. 5.] BULLeTin oF THE TorREY Botanicat Cuus. [New York, May, 1874. 
$91. On some new North American Musci.—C. F. Austin. 
_1. Bruchia Hallii (. sp.)—Plante humiles, gregariz, fusco- 
virides; caule 1-3 lineari subsimplici gracili inferne microphyllo, 
foliis levissimis late ovatis erectis inferioribus appressis superioribus 
sensim subabrupteve augentibus acutiusculis vel breviter acumina- 
tis Integerrimis, reti interiori laxiusculo pellucido obloago-hexa- 
gono vel subrhomboideo superiori angustissimo breviter fusiformi, 
costa mediocri versus apicem subexpansa percurrente vel leniter 
excurrente, capsula in pedicello recto exserta una cum collo breviter 
pyriformi-elliptica longiuscule rostrata, collo pro genere magis parvo 
in pedicellum sensim transeunte, calyptra levi mitriformi (subcucul- 
latave) basi lobata ad tertiam partem capsulx vel ultra descendente: 
inflorescentia generis: statura Br. flexuosw. 
Near Houston, Texas, Hall. 
2. Bruchia Texana (x. sp.) —Statura et habitu Br. Hallit; differt 
tamen caule breviori, foliis inferioribus angustioribus acuminatis 
flexuosis superioribus multum longius et abruptius acuminatis acu- 
mine angustissimo canaliculato siccitate flexnoso, costa superne mul- 
tum magis dilatata, reti minore e cellulis infra medium folii angusti- 
oribus et longioribus supra hoc inillas minutissimas brevissimas min- 
utim granulosas subraptim transeuntibus formato, capsula paulum 
brevius tenuiusque rostrata, collo crassiori longiori in pedicellum 
abrupte transeunte. 
Near Houston, Texas, &. Hall. 
3. Gymnostomum Rauanum (n. sp.)—Caulibus gregario-csespi- 
tosis brevissimis fastigiatim divisis, foliis caulinis satis viridibus 
lineali-lanceolatis mucronato-acutis subcanaliculato-concavis basi 
excepta opacis sublevibus margine planis integerrimis, costa subde- 
pressa excurrente, capsula in pedicello tenui mediocriter longo ex- 
Serta ovali tenuissime texta siccitate irregulariter striato-costata 
truncata macrostoma, operculo valde deciduo in siccis lato valde 
depresso oblique rostrato, in humidis angustato conico et fere recte 
rostrato, annulo rubro partim ad operculum ac partim ad os cap- 
sul adherente, (peristomio uullo): inflorescentia ut in Weisia 
viridula.—Weisia viridula, var. gymnostomotles, James in Herb. 
Porter (fide James). 
On clay banks, about Bethlehem, Pa. E. A. Rau, Esq, and 
Rev, I. Wolle. 
_ This species has much the general appearance of small forms of 
Weisia mriduli, but is readily distinguished by the total absence of 
_ & peristome, broader annulus, more delicate texture of the capsule, 
' Which is also shorter and wider mouthed, and by the less concave 
leaves plane on the margins, ete. ' 
4. Fissidens Closteri, Avst. Ms.; Sulliv. Icon. Suppl. ined.— 
Plante exilissime gregarive acaules; foliis minatissimis (circa 2 
paribus) in gemmula appressis ovatis, laminad uplicaturam vix ex- 
 ¢edente acuta minute apiculata apice subserrata, reti laxiusculo 
subguadrato, costa latiuscula tenui subdiffusa, capsula in pedicello 
$14 lin. longo tenuissimo pallido exserta ovali ovatave siccitate 
(ore lato excepto) valde constricta, annulo valde inconspicuo cum 
- Operculo. deciduo, opereulo elongato-conico; peristomio generis; 
-inflorescentia F. exilis. 
