Racopilum . ] iv. musci. 491 
a. Leaves of two forms ; dorsal smaller. 
Leaves ovate-oblong, acuminate. Fruitstalk stout, i in. long . . . 1. R. strumiferum. 
Leaves oblong, obtuse. Fruitstalk very slender 2. R. cristatum. 
Leaves ovate-oblong, acuminate. Fruitstalk stout, 1-1 \ in. long . . 3. R. latum. 
#. Leaves uniform. 
Leaves obliquely ovate-cordate, acuminate ......... 4. R. robustum. 
1. R. strumiferum, C. Muell. Rot. Zeit. 1851, 563. — R. australe, FI. 
N. Z. ii. 121. t. 92. f. 7. Stem -|-6 in. long, tomentose with brown radicles, 
vaguely subpinnately branched ; branches short, straight or curved. Leaves 
yellow or green, crisped when dry, lateral distichous, spreading, ovate or 
oblong-ovate, acuminate and almost piliferous by the long, stout, pellucid 
excurrent nerve, serrulate at the apex, dorsal leaves smaller. Fruitstalk \ in. 
long, stout, 3-angular when dry. Capsule yellow, afterwards red, horizontal, 
decurved, strumose, narrow, cylindrical, grooved ; operculum with a short 
beak. Calyptra hairy, inflated below, hardly dimidiate. Inflorescence mo- 
noecious or dioecious. 
Northern and Middle Islands : common in forests, on the roots of trees, Cunningham , 
etc. (Tasmania.) -- 
2. R. cristatum, Hook. f. and Wits. FI. N. Z. ii. 121. t. 92./. 7. 
Stem 1-3 in. long, slender, vaguely branched. Leaves pale green, much 
smaller than in the others, lateral distichous, spreading, crisped when dry, 
oblong, obtuse, serrulate at the apex ; nerve excurrent in a hair-point ; dorsal 
much smaller, ovate-cordate, acuminate. Fruitstalk f in. long, very slender, 
terete wdien dry. Capsule horizontal, curved, grooved ; teeth scabrid at the 
back ; operculum with a short beak. Calyptra sparingly pilose, dimidiate. — 
? R. tomentosum, C. Muell. in Bot. Zeit. 1851, 563. 
Northern Island: forests at Tehawera, Colenso. Kermadec group, M‘ Gillivray . 
(Norfolk Island, Tasmania, Australia, India, Japan, Pacific.) 
3. R. Isetum, Mitten in Journ. Linn. Soc. iv. 93. Stem slender, 1-2 in. 
long. Leaves pale yellow-green, lax, crisped when dry, lateral, subdisticlious, 
oblong-lanceolate, acuminate, subserrulate ; nerve concolorous, excurrent ; 
dorsal broader, shorter, ovate, acute. Fruitstalk 1-1 in. long, twisted when 
dry. Capsule horizontal, slightly curved ; operculum with a subulate beak, 
■§■ as long as the capsule. Calyptra sparingly pilose. 
Northern Island, Kerr ; Auckland, Sinclair. Middle Island, Nelson, Jolliffe, 
Manlell. Very similar to R. strumiferum , but the fruitstalk is much longer. 
4. R. robustum. Hook. f. and Wits. FI. N. Z. ii. 121. t. 92./. 5. Stems 
stout, i- 1^ in. long, sparingly branched ; branches ascending. Leaves all 
uniform, pale yellow-green, crowded, spreading, complicate and involute when 
dry, obliquely ovate-cordate, acuminate, subserrate at the apex, piliferous apex 
long. Fruitstalk stout, in. long, twisted when diy. Capsule much curved,' 
long cylindric, lower part erect, upper horizontal, grooved ; operculum shortly 
beaked. Calyptra mitriform, hairy, shortly split at the base. Inflorescence 
monoecious ? 
2 K 2 
