— 370 — 



nearly indistinct with gemmiform shoots. Synoecious. — Arctic 

 district r. Eur. Lapland: Norrlins: Lindberg. 

 102.B.nitidulum Lindberg. 



Leaves subovate snbobtuse, narrowly limbate, recurved all 

 around; costa sometimes short-excurrent. Capsule obovate pale 

 yellow or brown. Stem short; shoots subgemmiform with 

 somewhat loosely disposed leaves. Synoecious or monoecious. 



— Northern, princ. arctic districts r. — Eur. Spetsbergen: 

 Berggren. Norway: Kaurin. Amer. Greenl.; Vanhoeffen. 



B. Leaves short-acuminate; costa, at least in uppermost 

 leaves, excurrent. Capsule not or indistinctly constricted below 

 mouth. 

 103 B.atropurpTirenm Wahlenberg. 



Leaves subovate gradually acuminate, reflexed below; upper 

 shoot-leaves glomerate. Capsule blood-red suboval; teeth yello- 

 wish or pale red; cilia appendiculate. Tufts small pale green 

 0,5 — 1 c. m. high, often with gemmiform propagula. Dioe- 

 cious. — Sandy earth and stone-walls. Eur. not uncommon. 

 Sweden, Germacyl Amer. r. Can.: Macoun. 



* B.califomicum SuUivant. 



Leaves faintly reflexed. Capsule red oblong. » Cilia not 

 appendiculate »: Lesq. et Jam. — Amer. r. U. S.: Bolsender, 

 com. Cardot. 



* B.arenarinm Juratzka. 



»Leaves shorter, less reflexed; cells shorter. Capsule red- 

 brown. — Sometimes inundated places r. Eur. Austria: Juratzka* : 

 Limpricht. 

 104.B.Garovaglii Notaris. 



» Leaves subovate short-acuminate, gen. not reflexed; costa 

 scarcely excurrent. Capsule chestnut-brown broad-oval; teeth 

 brown-yellow; cilia appendiculate. Tufts small dusky green, 

 scarcely ] c. m. high. Synoecious. Habit of B. atropurpureum. 



— Alp. districts r. Eur. Italy: Garovaglio»: Limpricht. 



* B.confertum Limpiicht. 



»Leaves broader, those of shoots obtuse. Tufts very dense, 

 pale green above, 2— 2,-5 c. m. high. Capsules unknown. — 

 Alp. rocks r. Eur. Austria: Breidler»: Limpricht. 

 lOS.B.microglobum C. M. et Kindb. cat. Can. m. 



Leaves ovate-oblong short-acuminate, reflexed below; upper 

 cells short; costa short-excurrent. Upper shoot-leaves glomerate 

 ovate obtusate not reflexed. Capsule small pale red subobovate or 

 Bubglobose; pedicel 3 c. m. long. Tufts green and dense, radi- 



