CHARACTERS OF GENERA AND SPECIES. 
TKIBE I. (§ 7) ADIANTE^E. 
Adiantum, Linnceus Gen. PI. 782. 
(Adiantellum, Presl ; Apotomia, Fee ; Synechia, Fee ; Mesopleuria, Moore, ]\IS.) 
Sori indusiate, transverse marginal, reniforni oblong or linear, continuous or interrupted ; the receptaeles seated on the under 
surface of the indusium, and proceeding from the apices of two or more converging venules. Indusium (inverted membranaceous marginal 
lobe) venulose, sporangiferous beneath on the venules ; the receptacles therefore resupinate. Veins flabellately forked or forked from a 
medial costa, the furcations repeated, venules parallel, free, continued in the fertile parts into the indusium. 
Fronds coriaceous or herbaceous, simple, pinnately or pedately divided, or supradecompound ; pinnas often articulated, usually 
dimidiate with the costa wanting. Stipes and rachis ebeneous. Ehizome tufted or short creeping — (Moore.) 
1. Adiantum lunulatiini (^mm) — Frond oblong pinnate, pinnse alternate rather long-petiolate membranaceous oblong — lunate 
dimidiate below, upper margin lobed, truncate at the base, uppermost pinnje cuneate, sori linear approximate, and often confluent, stipes 
and rachis ebeneous glabrous, the latter often extended beyond the pinnre and proliferous. — Hook. Sp. Fit. ii. 11. Burm, Fl. hid. p. 235, 
Pteris lunata Retz Obs. \\, i\ 28. Adiantum arcuatum Sw. Syn. Fit. p. 22. A. lunatam. cav. Frcvl. 1801, «. 676. Rheede Malab. 
xii, 2^. 72, t. 40. 
Very common throughout the Presidency, low mountainous tracts on the Eastern side, and from the sea level up to about 4,000 
feet on the Western side. 
PLATE No. I. 
2. Adiantum caudaium {L.)—Yronds linear oblong elongated, attenuated, often rooting at the apex and there bare of pinnas, 
pinn8e nearly sessile, alternate, rather thick membranaceous, diniidiato oblong, the upper base truncated and parallel with the rachis, the 
upper margin more or less deeply lobed, the lobes often bifid soriferous villous in every part, with rufous hairs or more or less glabrous, 
veins generally prominent, involucres nearly orbicular or subquadrate, hairy or glabrous, stipes generally short, stout, and as well as the 
rachis more or less clothed with fulvous chaffy hairs. — Hook. Sp. Fit. ii. 13. Limi. Maut. p. 308. A. incisum Forst. j£g)/j>t. Arab, p)- 187. 
A. vestitum Wall. Cat. n. lb. A. flagelliferim Wall. Cat. n. 76. A.hirsutum Bonj It. i. ^:». 198. A. capillis Gonjonis Webb, in Hook. 
Nige)' Flora, p. 192. 
One of the commonest ferns in the Presidency, in similar localities with the last, 
PLATE No. n. 
3. Adiantum hispiduhm (Sw.)— Frond narrow, flabelliform, bipartito-pedately divided tripinnate, secondary pinnse linear- 
lanceolate acuminate falcate, pinnules chartaceous rigid close dimidiate oblongo-cuneate, olive brown when dry glaucous beneath striated 
pubescenti-hirsute especially beneath (often glabrous) subspinuloso serrate, superior base truncate, apex obtuse, sori copious, small on the 
upper margin and reaching to the apex (on almost every pinnule) 7-11 on each pinnule, in the sinus of the serratures, involucres orbicular, 
cordate, hispid or glabrous convex, stipes triquetrous, ebeneous scabrous, rachis ebeneous hispid or pubescenti-scabrous. Hook. Sp. Fit. 
