Philonotis glabrata Brotherus ex Skottsberg 1924

Philonotis glabrata

Philonotis glabrata Broth. in Skottsb., Nat. Hist. Juan Fernandez 2:426, 1924. [Original material: Pangal, Mas a Tierra, coll. C. & I. Skottsberg n. 363 [S!).]

Slender, densely tufted, light green plants with sparsely branching stems to 3 cm high, reddish radiculose below. Leaves erect-spreading, more erect when dry, 1.2–1.5 mm long, 0.3–0.4 mm wide, ovate-lanceolate to narrowly lanceolate; margins erect or very slightly recurved in middle, singly serrulate distally; costa thick, excurrent in short, serrulate arista, serrulate abaxially toward tip; cells of upper lamina narrowly rectangular, 10 μm wide, mostly ca. 40 μm long, most with only small papillae which are at distal ends on adaxial surface and at basal ends on abaxial surface; basal cells 12–18 μm wide, 25–40 μm long, rather lax, mostly smooth; 3–4 rows of laxly quadrate to short-oblong alar cells, 12–15 μm wide, 12–20 μm long, marginal cells rather crenulate. Dioicous. Sporophytes unknown.

MAS A TIERRA: Near Pangal, 45 m, Sk. 363 (type, S).

As presently recognized the species is endemic to Juan Fernandez. Additional specimens are needed for proper evaluation.