482 Baker. — A Summary of the new Ferns 
Subgenus Cincinalis. 
22*. N. aurantiaea, Eaton, in Proc. Amer. Acad. XXII, 462. 
Jalisco, North Mexico, Palmer , 83. 
22*. N. ealifornica. 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, PL 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. dealbata, 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 . N. 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 
sori. 
Genus 51. Monogramme, Schk. 
M. interrupta, Baker, sp. n. Stipes densely tufted, wiry, naked, 
2-3 in. long. Frond linear, thick, rigidly coriaceous, glabrous, 
1-1J 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. Aspleniopsis , Trichogramme, 
