264 



FEENS : BEITISH AKD FOEEIGW. 



Fertile frond wholly contracted. (Osmundastrnm.) 



1, O. cinnamoinea, Linn.; Schh. Fil. 

 t. 146 ; Hook. Oard. Ferns, t. 45 ; 

 Lowe's Ferns, 8, 1. 1. — North, and 

 South Axaerica, East Indies. 



** Lateral pmncB of feHile frond con- 

 h-acted. (Plenaisium.) 



2. O, Clayton iana, Idn/n. ; Lowe's Ferris, 

 8, t. 2. O. interrupta, Mwhe.; 

 Bchh. Fil. 1. 144. — North America. 



*** Terminal pwmce of 



fertile frond contracted. 



(Eaosmimda.) 



3. O. regalia, Linn. {Phum. 

 Fa.t.B,f.4:);8chk. 

 Fil. t. 145; EooTc. 

 Gen. Fa. t. 46 A ; 

 Eng. Bot. t. 209 ; 

 Lindl. cmd Moore's 

 Brit. Ferns, t. 50 ; 

 HooTc. Brit. Ferns, 

 t. 45 ; Sowerby's 

 Ferns, t. 44 ; — va/r, 

 cristatus, Moore, 

 in Gard. Ohron. 

 (1863).— North 

 Temperate Zone, 

 Srazil. 



Genus 148.— Pinnn^e of barren frond, and 

 fertile spike, natural size. No. 3. 



4. O. spectabills, Willd. O. regalis, var. /?, Linn. — North 

 America. 



6. O. gracilis, LinTc. — North America, 



149. TODEA, Willd. 



Vernation aseiculate, erect, sub-arboreous. Fronds bipinna- 

 tifid, 2-6 feet high; pinnae coriaceous or membranaceous; 

 fertile frond sub-contracted. Veins forked; venales free. 



