Macromitrium clavatum W. P. Schimper ex Grout 1944

Macromitrium clavatum Schimp.; Jaeger, Ber. St
Gall. Nat. Ges. 1872-1873: 137. 1874 (nomen
nudum); Grout, Bryologist 47: 16. 1944.
Leaves lingulate-lanceolate, 1.5-2 mm. long, broadly acute, carinate, the margins entire, recurved at the base; costa vanishing below the apex, strong; upper leaf-cells incrassate, 6-8 ft in their longest dimension; lower linear cells extending to the middle of the leaf; perichaetial leaves acute, their upper cells elongate; seta 8-9 mm. long, smooth; capsules ovoid, the urn about 2 mm. long; peristome-teeth obtuse, papillose; no inner peristome observed.
Type locality: Guadeloupe (L'Herminier; type in herb. N. Y. Bot. Gard.). Distribution: Known only from the type locality.