Flora of the British West Indian Islands / by A.H.R. Grisebach.
- August Grisebach
- Date:
- 1864
Licence: Public Domain Mark
Credit: Flora of the British West Indian Islands / by A.H.R. Grisebach. Source: Wellcome Collection.
Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.
712/840 (page 690)
![241. A. ascendens, Hewarcl! Leaf 3-pinnatisect, chartaceous : tertiary sterile seg- ments oblong-lanceolate, pointed, serrate, obliquely cuneate at the entire base, lowest supe- rior slightly larger, fertile contracted, minutely roundish: vciulets pinnate; sori occupying each contracted segment : indusium cordate-orbicular.—Rook. Spec. t. 224.—Possibly a dimorphic state of Eicsonia coniifolia. lthizoma scandent; leaf 4-1', lowest tertiary seg- ments 8'-10' long, fertile 1' diam.—Hab. Jamaica!, Pd., Wils., At., on trees, in moist woods. 242. A. coriaceum, Sw. Leaf 3-pinnatisect, coriaceous: tertiary segments oblong- lanceolate, bluntish, piunatilid-subentire, cuneate at the slightly oblique base, lowest supe- rior little larger : veinlets sunk, superior forked, inferior pinnate; sori large, occupying the space between the midrib and margin: indusium peltate-orbicular.—Schk. Crypt, t. 50.— Polypodium, Sw.—Stout; lowest tertiary segments 6'-8' long; sori 1' diam.—Hab. Jamaica !, Pd., on rocks ; [Cuba ! to Patagonia! and the whole southern temperate zone to Mauritius]. 243. A. mexicanum, Pr. “ Leaf 2-3-pinnatisect: idtimate segments obovate-oblong, blunt, piunatilid-subentire, cuneate at the slightly oblique base, lowest superior little larger : veiulets forked-dichotomous ; sori small: indusium orbicular, at length shortly cordate.” —Rook. Spec. t. 267.—“ 2'-3' high, variable; lowest ultimate segments 6'-10' long.”— Hab. Jamaica \, Macf., Pd., Wils.; [Mexico! to Ecuador], 244. A. pubescens, Sw. Leaf 2-3-pinnatisect, softly pilose beneath or at least at the rbackis : ultimate segments ovate or ovate-oblong, pointed, pinnatifid-serrate (or sub- entire), obliquely cuneate at the entire base, lowest superior larger: veinlets forked or simple ; indusium reniform-roundisli or suppressed.—Rook. Grev. Ic. t. 162.—Polypo- dium, L. Phegopteris portoricensis, F6e : the form with naked sori. Ph. sericea, Eat. I : probably a form of it with bluntish segments.—1/-2' high, valuable; lowest ultimate seg- ments 4,-12' long.—Hab. Jamaica!, Macf., Pd.; [Cuba! to French islands !]. 245. A. funestum, Kze. Leaf 2-3-pinnatisect: lowest inferior secondary segments elongated: ultimate ovate-oblong or oblong, blunt, pinnatifid-subentire, obliquely cuneate and often upwards auricled at the base, lowest superior little larger : veinlets forked, lower pinnate; indusium reniform-roundisli.—Plook. Spec. t. 259.—A. cicutarium, Kze. in PI. Kegel. I (non Sw.).—l'-2'kigh ; lowest ultimate segments S'-12' long.—Hab. Trinidad!, Woodf.; [Portorico ! to Brazil!]. 246. A. effusum, Gr. Leaf 2(-3)-pinnatisect with 2-pinnatiparlite special segments below: rhachis of the tertiary ones narrowly winged : quaternary segments passing gradually into serratures above, the lower ovate-oblong, cuneate at the slightly oblique base, serrate, lowest superior little larger : veiulcts pinnate, simple or forked ; indusium small, reniform- roundisli, often suppressed.—SI. t. 57.f 1. 2. Schk. Crypt, t. 26. b. c.—Polypodium, Sw. Synops. P. divergens, Sw. (PL Wriglit. 831). A. excultum, Metten. / (A. lsetum, Moritz): a puberulous form.—Stout ; lowest ultimate divisions of the lowest .primary segments 4' long, tertiary segments ovate at the base.—Hab. Jamaica!, Macf., Rartiv., Wiles, Al.; S. Vincent!, Guild. ; [Cuba! to Brazil!]. 247- A. denticulatum, Sw. Leaf 3-pinnatisect with pinnatiparlile special segments, sbining-chartaceous : ultimate segments cuneate, mucronate-few-denlate: veins sunk, forked or simple; indusium reniform-orbicular, with a short sinus.— Rook. Lc. t. 923.—Polypo- dium, Sw. A. lsetum, Sw. A. Klotzschii, Rook.—Rigid, l)'-2' high; lowest ultimate segments 2,-3' long, usually with a single sorus. a. Ultimate segments cuneate-elliptical, mucronate. (!. rigidissimum.. Hook. Ultimate segments shortly spathulate-linear. Hab. Jamaica!, Macf., Wils., Pd., Lamb.; [Cuba! to Brazil!]. ** Leaf 3-2-pinnatisect; segments equal-sided: veins free. 248. A. villosum, Sw. Very stout; to?/3-pinnatisect, pilose, hispidulous or glabros- cent, except at the hairy rhachis : tertiary segments oblong, blunt, pinnatifid, or inferior pin- natipartite, superior cuneate, uppermost entire : lobes rounded at the summit: veinlets forked or simple; indusium large, cordate-orbicular, often abortive or suppressed.—Plum. Fit. 1. 27. Schk. Crypt, i. 46. b. inf. Rook. Spec. t. 264, Metten. Fit. Lips. t. 17-/ 10.—Polypo-](https://iiif.wellcomecollection.org/image/b2475691x_0712.jp2/full/800%2C/0/default.jpg)