Musci Voeltzkowiani. 57 



Bryaceae. 



Brachymenium Schwaegr. 

 Brachymenium (Orthocarpus) microcarpum Broth. n. sp. Tai'. 8 Fig. 9. 



Autoicum; caespitosum, caespitibus densis, viridibus, aetate fuscescenti-viridibus , nitidiusculis ; 

 caulis erectus, vix ultra 3 mm altus, fusco-tomentosus , apice tantum foliosus, innovationibus 2, con- 

 formibus, - vix ultra 3 mm altis, erectis, infra perichaetium oriundis; folia dense conferta, sicca contracta, 

 innovationum plerumque spiraliter contorta, faciliter emollita, liumida erecto-patentia, concaviuscula, oblonga 

 vel subspathulato-oblonga, breviter acuminata, nervo excedente aristata, marginibus erectis, apice minutissime 

 serrulatis, limbata, limbo rufescente, 3-seriato, continuo, nervo crassiusculo, rufescente, in aristam longius- 

 culam, reflexam, sublaevem producto, cellulis ovali-hexagonis, medii folii c. 0,05 mm longis et c. 0,015 mm 

 latis, leptodermibus, basilaribus rectangularibus ; bracteae perichaetii multo minores, intimae lanceo- 

 latae, nervo excedente rigide aristatae, haud limbatae; seta 2 — 2,5 cm alta, tenuissima, rubra; theca 

 erecta, ovalis, cum collo sporangio subaequilongo vix ultra 2 mm alta, leptodermis, laevis. Caetera ignota. 



Fundnotiz: Mauritius. 



Species theca minuta a congeneribus africanis jam dignoscenda. 



Brachymenium (Orthocarpus) submicrocarpum Broth. n. sp. Taf. 9 Fig. 10. 



Species praecedenti simillima, sed major, foliis longius et stricte aristatis, cellulis superioribus 

 subrotundato-hexagonis nee non seta duplo longiore dignoscenda, 

 Fundnotiz: Mauritius. 



Bryum Dill. 

 Bryum argenteum L. 

 Fundnotiz: Mauritius. 



Bryum argenteum var. lanatum (Palis.) Bryol. cur. 

 Fundnotiz: Angasidja, Convalescence (Comoren), alt. 1900 m. 



Bryum erythrocaulon Schwaegr. 

 Fundnotiz: Volon-Tany (Madagaskar). (Trattoux No. 48.) 



Bryum (Rosulata) madagasso-ramosum Broth. n. sp. 



Dioicum; sat gracile ,' "caespitosum , caespitibus densiusculis, lutescenti-viridibus , nitidiusculis; 

 caulis usque ad 3 cm altus, erectus, flexuosus, inferne fusco-tomentosus, dein densiuscule foliosus, simplex; 

 folia sicca contracta, laxe adpressa, humida patula, planiuscula, superiora sensim majora, densius con- 

 gesta, oblonga vel spathulato-oblonga , c. 5 mm longa et c. 2 mm lata, breviter aristata, marginibus usque 

 ad medium folii angustissime recurvis, superne minute serrulatis, limbata, limbo lutescente, 3-seriato, apice 

 angustiore, nervo basi latiusculo, superne raptim angustiore, breviter excedente, cellulis oblonge- vel rhom- 



Voeltzkow: Reise in Ostafrika 1903 — 1905. Wissensch. Ergebnisse, Bd. III. 



