572 STEGOCARPI. ACROCARPI. Brvum. 
bus, laxis rhombeis reticulata, nervo basi crasso, evanescente pur- 
purascente praedita; theca plus minus pyriformis et inclinata. 
a. Theca irregularis. 
71. Br. Zierii Dicks. I. p. 288. 
Patria. Pyrenaei centrales, Lac de Séculéjo, La- 
bassere etc.: Spruce. Pyr. or., Mont Louis: Arnott. 
b. Theca regularis. 
76b. Br. tenellum Schimp. (in litteris!); dioicum; 
humile; ramulis subjulaceis; folia dense imbricata, ovata 
concava integerrima,| excurrentinervia, laxe reticulata; 
perich. majora, interna lanceolata, nervo sub apice eva- 
nido; theca in ped. semiunciali cernua subnutans, breviter 
pyriformis, brevicolla, fusca, late annulata, operc. brevi 
conico; perist. Weberae. +. 
Patria. Mexico, Pico de Orizaba inter Philonotulas: 
Liebman n. 
Proxime ad Br. cellulare et Ludwigii, cujus thecam 
et peristom. habet, accedit. 
Sectionis incertae. 
76c. Br. Antarcticum Hook. et Wils. (Fl. Antarct. II. 
p. 414. t. 153. f. 6.); monoicum; caulis bilinearis rubel- 
lus, inferne radiculosus, ramosus cespitosus; folia caulina 
conferta imbricata, erecto-patentia, late ovata breviter 
acuminata, concava, subdenticulata, rufescentia, apice 
diaphana, nervo latiusculo rubello sub apice evanido, mar- 
gine plano, cellulis subquadratis; perich. majora longius 
acuminata; ped. brevis ruber. +. 
Patria. Ynsula Cockburn Island nuncupata Antarctica, 
lat. 649 S., long. 57° W. 
Fructificatio tantum juvenilis observata. 
76d. Br. plagiopodium Schimp. (in litteris!); habitu 
Br. argentei; ramulis julaceis numerosis; folia imbricata 
pallide viridia, nitida, late ovata, anguste acuminata, con- 
cava, integra. vel apice denticulata, nervo tenui excur- 
rente, cellulis rhombeis satis laxis; perich. ovato -lanceo- 
lata, sensim acuminata, nervo angusto excurrente vel sub 
