discovered or described since 1874. 99 



Subgenus Cincinalis. 

 22*. N. aurantiaca, Eaton, in Proc. Amer. Acad. XXII, 462. 



Jalisco, North Mexico, Palmer^ 83. 

 22*. N. californica, Eaton, in Bull. Torrey Club, X (1883), 27. 



Is the Californian plant which has been referred to N. Candida. 

 22*. N. rigida, Davenport, in Pringle, PI. Jalisco, No. 2509. 



Jalisco, North Mexico, Pringle. 

 22*. N. Pringlei, Davenport, In Bull. Torry Club, 1886, 132, tab. 



58. North Mexico; Coahuila, Palmer, 1382, 1383; Chi- 

 huahua, Pringle, 441. 

 22*. N. Hookeri, Eaton, Ferns south-west, 308 ; Baker, in Hook. 



Ic. t. 1679. California, Arizona, and New Mexico. 

 22*. N. Lemmoni, Eaton, in Bull. Torrey Club, VIII (1880), 63. 



Arizona, Chihuahua, and Jalisco. 



26. N. dealoata, Kunze. Has now been found in many of the 



western states and fuller material shows that it cannot be 

 separated specifically from N. nivea, Desv. 



27. TSf. Fendleri, Kunze. Has now been found in several of the 



western states. 



Abnormal Species. 



N. pteridiformis, Baker, in Malesia, III, 49 ; Gymnogramme 

 pteridiformis, Cesati, Fil. Becc. Polyn. 5, 8. Andai, New Guinea, 

 Beccari. Habit of Polypodium tenellum, with round marginal 

 son. 



Genus 51. MONOGRAMME, Schk. 



M. interrupta, Baker, sp. n. Stipes densely tufted, wiry, naked, 

 2-3 in. long. Frond linear, thick, rigidly coriaceous, glabrous, 

 i-i \ in. long, T \ in. broad. Veins quite hidden. Sori filling 

 the whole space between the midrib and margin, which is 

 broken up into a series of pits of unequal length, in which the 

 sporangia are immersed. New Guinea ; Mount Yule. Re- 

 ceived from Sir F. Mueller, April 1891. Forms a new sub- 

 genus of Monogramme, distinguished by its broken band of 

 fructification. 



Genus 52 GYMNOGRAMME, Desv. 



Gymnogrammeae is monographed in Kuhn's Choetopterides 

 and divided into eight genera, viz. Asplem'opsis, Trichogramme, 



