Prats 8. 
TRICHOMANES PINNATUM, Hedw. 
Pinnated Bristle-Fern. 
TRICHOMANES pinnatum 3 caudex erect or ascending, with copious wiry roots; 
fronds long-stipitate, tufted, tall, a span to 1} foot, ligulato-lanceolate and 
simple, or ovato- or deltoideo-lanceolate and pinnated with 4-20 oblong- 
or linear-lanceolate, membranaceous, costate, subentire or strongly serrated 
pinne, from 3-6 inches long, upper ones more or less confluent, terminal 
one the longest, or it is replaced by an extension of the rachis (for 3 to 8-10 
inches) which is then rooting and proliferous ; veins strong, pinnated, simple 
or forked, close-placed, united to a thickened margin; between these are 
transverse, spurious veinlets (often obsolete or none), free or connecting the 
adjacent veins; sori very copious, marginal; involucres subpetiolate, cylin- 
drical, a little dilated and shortly 2-lipped above; columella very long. 
TRicHoManEs pinnatum. Hedw. Fil. Gen. et Sp. cum ic. t. 4. f.1. Sw. Syn. 
Fil. p. 142. Kee. in Bot. Zeit. v.5. p. 352. Linnea,v.21. J. G. Sturm, in 
Mart. Fl. Bras. fasc, 23. p. 247; and in Enum. Plant. Vase. Crypt. Chil. 
p. 39.—Neurophyllum pinnatum, Presl, Hymenoph. p. 19. t. 4.—Neuro- 
manes Hedwigii, Van den Bosch, Syn. Hymenophyll. p. 8. 
TRICHOMANES floribundum. H. B. K. in Willd. Sp. Pl.v.5. p. 505. Nov. Gen. 
Am. 1. p. 25. Hook. and Grev. Ic. Fil. t. 9. Hook. Sp. Fil. v. 1. p. 129. 
TRICHOMANES pennatum. Kauilf. Enum. p. 264. Hook. Sp. Fil. v. 1. p. 129. 
J. G. Sturm in Mart. Fl. Bras. fasc. 23. p. 248.—Trichomanes spectabile, 
Bl. Fil. Luschnath. Bahiens. n. 38, and Kze. in Linnea, v. 14. p. 287 (fide 
J. G Sturm).—Neurophyllum pennatum, Presl, Hymenophyll. p. 19.— 
Neuromanes Kaulfussii, Van den Bosch, Enum. Hymenoph. p. 8. 
TricHomanes Schomburgkianum. J. G. Sturm, in Mart. Bl. Bras. fase. 21. p. 
249 (according to the references to Schomburgh’s specimens in my herbarium). 
NEUROMANES immersum. Vun den Bosch, Enum. Hymenophyll. p. 9? 
(Frond simple.) 
TricnomanEs Vittaria. De Cand. in Poir. Encycl. Méth. v. 8. p. 65. Hook. in 
Lond. Journ. Bot. v. 1. p. 137. 4.5. J. Sm. in Lond. J. B. p. 200.—Tri- 
chomanes floribundum, 6 Vittaria, Splitgerd. En. Fl. Surinam, p. 52. Hook. 
Sp. Fil. v. 1. p. 129.—Neurophyllum Vittaria, Pr. Hymenoph. p. 19.—Neu- 
romanes Vittaria, Van den Bosch, Enum. Hymenoph. p. 9. 
(Spurious transverse veins wanting.) 
NEUROPHYLLUM abruptum. Fee, 1 Mém. 14. t. 1. f. 5 (small portion of a pinna 
and name only).—Neuromanes abruptum. Van den Bosch, Enum. Hymenoph. 
p. 10.—Trichomanes Hostmannianum, Aze. Bot. Zeit. v: 5. p. 352. Schhk. 
‘tt. Suppl. t.110. J. G. Sturm (excellent).—Neurophyllum Hostmannianum, 
Kl. in Linnea, v. 18. p. 532, in Mart. Bl. Bras. fase. 21. p. 250.—Odon- 
tomanes Hostmanuianum, Presl, Epimel. Bot. p. 21. 
Has. Tropical and West Indian Islands; from Mexico (Oaxaca) in the north, to 
the tropic of Capricorn, south, on both sides the vast continent of America, 
apparently most abundant under the Equator. Cultivated in the Royal 
Gardens of Kew. 
FEBRUARY Ist, 1861. 
