THE BLACK MAIDENHAIR SPLEENWORT. 
THE BLACK MAIDENHAIR SPLEENWORT. 
ASPLENIUM ADIANTUM-NIGRUM. 
A. fronds ovate or deltoid, acute or acuminate, glabrous, sub- 
coriaceous, bi-tri-pinnate; pinne obliquely triangular, acute or 
acuminate; pinnules ovate or ovate-elongate-attenuate, pinnate or 
pinnatifid, the ultimate divisions oblong, or subtrapezoid, cuneate at 
the base, shallowly lobed with the lobes toothed or simply toothed : 
teeth acute; sori linear-elongate, contiguous to the midvein. [Plate 
LXX.] 
ASPLENIUM ADIANTUM-NIGRUM, Linneus, Sp. Plant. 1541. Bolton, Fil. Brit. 
30, t. 17, fig. 1-8. Smith, Eng. Bot. xxviii. t. 1950 ; Id., Eng. Fl. 2 ed. iv. 
297 (excl. B). Deakin, Florigr. Brit. iv. 64, fig. 1590. Bentham, Handb. 
Brit. Fl. 633. Hooker & Arnott, Brit. Fl. 7 ed. 589. Mackay, Fl. Hib. 
349.  Babington, Man. Brit. Bot. 4 ed. 426. Moore, Handb. Brit. Ferns, 
3 ed. 170; Id., Ferns of Gt. Brit. Nature Printed, t. 36, fig. A, B. Newman, 
Hist. Brit. Ferns, 3 ed. 225. Sowerby, Ferns of Gt. Brit. 49, t. 28. Schkuhr, 
Krypt. Gew. 74, t. 80 a. Swartz, Syn. Fil. 84. Lamarck, Enc. Bot. ii. 309. 
Willdenow, Sp. Plant. v. 346. Sadler, Fil. Hung. 31 Sprengel, Syst. Veg. 
iv. 89 (excl. syn. Willd.). Presl, Tent. Pterid. 107. Link, Fü. Sp. 96. 
Fee, Gen. Fil. 191. Sturm, Deutschl. Fl. (Farn.) t 3. Koch, Synopsis 2 ed. 
982. Fries, Sum. Veg. 89. Ledebour, Fl. Ross. iv. 919. Mettenius, Fil. 
Hort. Bot. Lips. 77 ; Id., Asplen. 144. Lowe, Nat. Hist. Ferns, v. t. 25. 
Heufler, Asplen. Burop. 66, 76: Pappe & Rawson, Syn. Fil. Afr. Aust. 21. 
Nyman, Syll. Fl. Europ. 432. 
ASPLENIUM ADIANTUM-NIGRUM, U. CAPENSE, Schlechtendal, Adumbrationes 
Plant. 31, t. 17. 
ASPLENIUM ADIANTUM-LANCEOLATUM, Hoffmann, Deutschl. Fl. ii. 12 (excl. syn.) 
ASPLENIUM NIGRUM, Bernhardi, Schrad. Journ. Bot. 1799, i. 313. 
ASPLENIUM TRICHOMANOIDES, Lummitzer, Fl. Poson. no. 1020, according to 
Sadler. 
ASPLENIUM LUCIDUM, Salisbury, Prod. 403. 
ASPLENIUM ONOPTERIS, Linneus, Sp. Plant. 1 ed. 1081. 
ASPLENIUM CUNEIFOLIUM, Viviani, Fl. Ital. frag. 16, t. 18, according to Presl. 
ASPLENIUM ARGUTUM, Kaulfuss, Enum. Fil. 176. Sprengel, Syst. Veg. iv. 90. 
Presl, Tent. Pierid. 107. Fee, Gen. Fil. 191. 
ASPLENIUM HUMILE, Blume, Enum. Fil. Jav. 185. 
ASPLENIUM HEUFFELLI, Wierzb. Hb. Kze. 
ASPLENIUM SILESIACUM, Milde, Jahr. Schles. Ges. Vat. Cult. 1855, 335 Id., Nov. 
Act. N. C. xxvi. partii., 605, t. 114-115. 
ASPLENIUM TABULARE, Schrader, Gotting. gel. Anzeig. 1818, 916, according to 
Kunze. 
ASPLENIUM CAPENSE, Linnœus MS., in Herb. 
PHYLLITIS LANCIFOLIA, Mœnch, Meth. Supp. 316. 
TARACHIA ADIANTUM-NIGRUM, Presl, Epim. Bot. 82. 
TARACHIA ARGUTA, Presl, Epim. Bot. 82. 

