ICONES FILICUM SINICARUM 
PLATE 176 
ASPLENIUM INTERJECTUM Christ 
POLYPODIACEA: 
ASPLENIUM INTERJECTUM Christ, Bull. Acad. Géogr. Bot. (1902) 241; (1907) 149; C. Chr. 
Ind. Fil. 116 (1905); Blot, Aspl. d. Tonkin 41 t. 2. f. 3 (1932). 
Asplenium cunetfolium var. vegetius Christ, loc. cit. p, 240. 
Asplenium interjectum var. elatum Christ, Bull. Acad. Géogr. Bot. (1907) 149. 
Asplenium cunetfolium Christ (non Viv. 1806), Bull. Acad. Géogr. Bot. (1910) 13. 
Asplenium longkaense Rosenst. in Fedde, Repert. Sp. Nov. 18: 123 (1913); C. Chr. Ind. Fil. 
Suppl. IT. 6 (1913-17). 
Rhizome short, erect, densely radicose, sparcely scaly; scales linear-subulate, 
blackish, thin, clathrate, iridescent; fronds caespitose, stipe 15-12 cm long, atro-castaneous 
throughout, or green, naked, herbaceous, lamina deltoid, 10-15 cm long, and nearly as 
broad, tripinnate at base; pinnae 5-7-jugate under simple pinnate and acuminate apex, 
petiolate, patent, the basal pair much the largest, to g cm long, 6 cm broad, deltoid, with 
unequal base: petiolate (petiole t cm long), bipinnate; pinnules 3-4-jugate, anadromously 
arranged (i.e. the pinnule nearest to the rachis is borne on the upper side of rachilet), 
petiolulate, the lower ones 2-3 cm each way, deltoid-ovate, obtuse, pinnatifid or deeply 
lobed into 2-3 ovate, rounded, dentate lobes, the upper ones rhombic, incised and 
eroso-dentate; texture thin herbaceous, light green, glabrous on both sides; veins flabel- 
lulately forked, with veinlet running into each tooth but falling short of the tip; sort 
linear, straight or slightly curved, to 5 mm long, indusium narrow, gray, entire, opening 
towards costule of ultimate lobes, or towards costa on the apical portion of pinne, or of 
pinnule. 
Kweichow: Tsin-gay, Bodinier 2094 (type); Tchen-fau, Esquirol 801, 1017, 707; 
Hoang-Ko-Chou, Bodinier 2557; Long-Ka, Cavalerie 37°73 (type of A. longkaense) 
Also Tonkin. 
A distinct endemic fern, closely related in habit to A. adiantum nigrum L. of 
Europe, differing in much less divided green leaves of thin herbaceous texture. 
Plate 176. Fig. 1. Habit sketch (natural size). 2. The same but young form (natural size). 
3. Upper pinne, showing venation, and sori (x 3). 4- Scale from base of stipe (x 27). 
