NOTES ON HYPOPTERYGIUM 251 
pet SBS 62 x 48 mm., dia a —_ strongly ex- 
stout. mucro, which is -2 mm. long, or one-third the 
wae oy ath ee the under leaf. Cells hevaconal, densely chloro- 
ve ay salle thick. The leaves are shorter, blun ter, and more 
an in H.immigrans, to which it t approaches i in size and form. 
aucum Sull.. H. Smithianum var. 8. New Zealand, Ant- 
arctic Exp. 1839-1843. Hooker. 
Small, about 6 mm. high. Tomentose at have. Branches 8 man 
4 
long. Front leaves ‘8 x ‘48 mm., very close, much overlapping, 
convex, directed upwards, ovntahentel nerved for two- thirds, toothed 
near apex, ending in stout mucro. Under leaf -4 x -35 mm., con- 
cave, oval-acute, nerve excurrent in strong mucro. Cells oval, 
— oe boca Texture soft, rather thin. Cap. small, 
n long ¢ 
H. concinnum Bai oe Auckland’s Islands, Antarctic Exp. 
1839-1843. J. D. Hi 
38 mm. high Stake salen, nearly black, tomentose at base, 
leafy for 25 mm. up from base. Branches bifurcate, decreasing in 
size upwards. Front — a 4x 44 mm., lan ceolate, directed 
nent at back, excurrent in wena mucro ; margin strongly toothed 
for one-third ne xt apex. Under leaf 14% +44 mm., resembling 
front leaves, except in size. Cells very small, round, densely chloro. 
phyllose, walls very thin 
H. pauuens Hook. f. & Wils. H. Struthiopteris Mitt. in Hook. 
-osnh p. 489. New Zealand, Antarctic Exp. 1839-18438. J.D 
“26-80 mm. high. Stem nearly black, sulcate, tomentose at base, 
leafy. Branches « on upper three-fourths, furcate, directed upwards. 
Front leaves 1-28 x +52 mm., broadly lanceolate, convex, margin 
strong mucro, which is ‘6 mm. long. Cells irregularly rounded, 
very small, full of chlorophyll, walls thin; faintly striate, :with 
5-6 lines in each. Seta short, cernuous. 
H. ruavescens Hampe. Organ Mountain, G. Gardner. 
88 mm. high. Stem leafy, tomentose at base and for one-half 
upwards. Branches 13 mm. long, furcate, directed — Front 
leaves 1:0 x ‘58 mm., convex, ovate-acute, spreading, ne 
two-thirds, pe strongly toothed, ending in small mucro, sarees 
altered when dr - Under leaf -45 x °80 mm., a suddenly 
acuminate ; nerve faint, excurrent in lar arge margin entire. 
Cells -eselioni _ densely chlorophyllose, grains salites walls thin. 
Seta short, cernuous. This has smaller leaves than e7 immigrans, 
with which Mr. Mitten thinks it most we aero 
H. omiatum Brid. New Zealand, 7’. Kirk 
pret rages ne mm. high. Stem tomentose at base and for one- 
half upwards. nehes furcate, 8 mm. long, directed upwards, 
slightly ‘ished ry their pa: Leaves scarcely altered a dry, 
