650 FILICES. 



Teibe II. OSMJJNDACE^, R. Br. — Sporangia memironaceous, provided with a terminal, 

 transverse ring or apophysis, longitudinally dehiscent. — Ring iQ the West Indian genera 

 {Schiaacaceee) complete : slit anilateral. 



4. ANEMIA, Sw. 

 Sporangia sessile, ovate, 3-serial on the back of contracted, flattish leaf-segments. — Leaf 

 divided : fertile segments racemiform. 



§ 1. Sterile and fertile leaves distinct, (CoptophyUum, Gardn.) 



7. A. aiirita, Sw. Leaf coriaceous, shining-glabrous above: segments ohliqueh/ ovale, 

 or ohovate, cuneate at the margined base, denticulate at the rounded summit, striate above 

 by impressed, flabellate-dichotomous, free veins : inferior pinnately 8(4-2)-sect, gradually 

 passing upwards into undivided blades ; fertile petioles single, approximate to the sterile 

 ones.— Hook. Ic. PI. t. 903.— Osmunda.'Sw.— 6"-8" high; leaf-segments 5"'-10"' long.— 

 Hab. Jamaica !, Wils., on calcareous rocks, rare, on the summit of Dolphin's Peak. 



The othei: West Indian species with special fertile leaves, viz. A. iipinnata,Sw., A.filicu- 

 lifolia, Sw., and A. vertioillata, Sw., though stated by Willdenow to grow in Jamaica, do 

 not occur in our collections, being apparently coniined to Haiti, as well as A. dcutaria, Pospp., 

 to Cuba. 



§ 2. Leaf Z-sect at the base : 2 (-1) lateral segments fertile, long-petiolulate, middle sterile, 

 sessile or shortly petiolulate. (Euanemia, Mett.). 



8. A. phyllitidis, Sw. Sterile leaf-segment pinnatisect, sessile, membranaceous, 

 glabrous: special segments 4-8-jugal, oblong-lauceolate, acuminate, repand, or repand- 



I denticulate: veins anastomosing, forming narrow areoles. — Plum. Fit. t. 156 ; leaf too 

 large. Hook. Gen. t. 103. — Osmuuda, L.—%'-4t high; secondary leaf-segments, 2" long. 

 — Hab. Jamaica!, Wils. ; [Cuba ! and Mexico ! to Brazil!]. 



9. A. mandiocana, Eadd. Sterile leaf-segment pinnatisect, sessile, membranaceous, 

 glabrescent ; special segments 10-4-jugal, oblong, bluntish, unequally serrulate chiefly at 

 the upper margin, truncate at the upwards produced base, uppermost much decrescent : 



-■^rhachis usually hairy : veins flabellate-dichotomous, free. — Plum. Fit. t. 15T . Hook. Gen. 

 t. 90. — Osmunda hirta, L. {Anemia, Sw. ex cit.) : Plumier's form with a pilose petiole, but 

 the name must be rejected. — Very variable, li'-i' high ; lower leaf-segments 1" long, 4'" 

 broad. — Hab. Jamaica {Sw.) ; Trinidad !, Lockh., on roadsides, rare ; [Haiti and Mexico 

 to Brazil!]. 



10. A. humilis, Sw. Sterile leaf-segment pinnatisect, sessile, membranaceous, hairy, 

 , or glabrescent ; special segments 10-5-jugal, spathulate, blunt, serrulate, cuneate at the 

 ■^ J<M«, uppermost subequal : rhachis pilose : petiole short ; veins flabellate, simple and forked, 



free. — Schk. Crypt, t. 141. y. sin. — Osmunda, Cav. — -4 "-8" high; secondary leaf-segments 

 10"'-6"' long, 4"'-2"' broad.— Hab. Jamaica !, Pd. ; [Mexico ! to Peru ! and Brazil !]. 



/^ 11. A. hirsutaj Sw. Sterile leaf-segment pinnatisect, sessile, chartaceous, hairy: se- 

 condary segments pinnatipartite, or pinnatifid, striate above by prominent, flabellate, forked 

 or simple, ^r^e veins : tertiary lobes oblong, or linear, bluntish, few serrate, or entire ; com- 



f'monrhachis pilose. — Plum. Fit. t. 162. — Osmunda, L. A. dissecta, Prl. {Set. Hank. 1. 11. 

 /. 4; SI. t. 25./. 6): the form with pinnatipartite secondary segments. — 14'-i' bigh; 

 primary leaf-segments 15"'-6"' long, uppermost decrescent. — Hab. Jamaica!, allcoH., com- 

 mon. Port Eoyal, S. Andrews, at 4000' alt. ; [Cuba 1 and Mexico to Brazil ! and Tucu- 

 man !]. 



/■ 12. A. adiantifolia, Sw. Sterile leaf-segment deltoid, Z-pinnatUect, shortly petiolu- 

 late, chartaceous, glabrous above, glabrescent beneath : tertiary segments upwards decrescent 

 pinnatipartite-few-serrate or lowest pinnatisect, ultimate cuneate-elliptical, bluntish, denticu- 

 late above, striate by prominent, flabellate-dichotomous,/™* veins : axis usually hairy. — Plum, 

 fl.t. 168. Hook. Grev. Ic. t. 16. — Osmunda, L. A. asplenifolia, Sw. — I'-l^' high; 

 sterile leaf-segment 8"-6" broad, exceeding in length or equalling the fertile segments. — 

 Hab. Bahamas!, Swains.; Jamaica!, Fd., Hartw., Wiles, on rocks; Dominica; [Cuba! 

 and Mexico 1 to Brazil !]. 



