No. 11.] THE BRYOPHYTES OF CONNECTICUT. 95 
51. Alar cells inflated............ Plagiothecium striatellum, p. 154 
Alar cells not inflated, frequently quadrate, rectangular, or 
ObIONG? Wei sasiutie-e Sintrnais an bate dees eigen Sean ba pees 52 
52. Annual growth regularly marked off...... Hylocomium, p. 161 
Annual growth not clearly defined...................044- 53 
53. Leaves erect-spreading ......... ccc c cece cece eet e eens 54 
Leaves: SQUanrOSe: ie sie asseuneiss oe shes Oe Sie Die Teale 55 
54. Plants medium-sized, forming loose, spreading tufts; para- 
phyllia numerous and large........... Heterophyllon, p. 165 
Plants small, forming thin, depressed mats; paraphyllia 
laCkine © 2.00 asc dnanevewaing anata ets Amblystegiella, p. 154 
55. Plants robust; stems 0.5-0.9 mm. in diameter; leaves 3-5 mm. 
long; capsules broadly ovoid........ Rhytidiadelphus, p. 160 
Plants robust or slender; stems 0.1-0.4 mm. in diameter; 
leaves 1-3 mm. long; capsules cylindrical.............. 
Chrysohypnum, p. 158 
FAMILY ARCHIDIACEA 
Archidium Brid. 
Archidium ohioense Schimp. 
On the ground in meadows and fields. Spring. NEw 
Haven: Orange (1881), O. D. Allen. 
Throughout the eastern United States and westward to 
the Rocky Mountains. 
FAMILY DICRANACEZ 
Bruchia Schwaegr. 
Capsule ovoid, neck short............eee eee e eens B. flexuosa 
Capsule elongated, neck long.............e0ee ees B. Sullivantii 
Bruchia flexuosa (Schwaegr.) C. Mill. 
Clayey ground in fields. Spring. W3npHAM: Canter- 
bury, Mrs. Hadley. New Haven: ‘East Haven, Nichols; 
New Haven (1878), J. A. Allen; Woodbridge, Eaton. 
New England to Minnesota, south to the Gulf States. 
Rer. Eaton, 15, 72. 
Bruchia Sullivantii Aust. 
Clayey or sandy ground in fields. Spring. New Haven: 
New Haven (1890), Evans. 
New England to Florida, west to Missouri and Louisiana. 
