498 NEPHRODIUM. 



73. N. Filix-mas, var. odontoloma (Bedd.) ; fr. small, lanceolate, S-pinnatifid ; 

 st. and rachises naked, stramineous ; pinnae distant, deltoid ; lower pinnl. largest, 

 with deeply inciso-dentate lobes and uniserial sori near the costa. Lastrea odon- 

 toloma, Bedd. F. 13. 1. 1. 114 ; var. Nidus, Clarke ; st. forming dense circular tufts ; 

 fr. lanceolate, bipinnate ; st. and rachis densely scaly ; pinnae lanceolate, f in. br. ; 

 pinnl. blunt, ligulate-oblong, deeply inciso-crenate, 2-2^ lin. br. ; sori 6-8 to a 

 pinnl., distant, medial. 



Hab. East Himalayas. 



82*. N. (Last.) lanceolatum, Baker ; st. 4-6 in. 1., tufted, stramineous, minutely 

 scaly throughout, like the rachis ; basal scales brown, dense, lanceolate \fr. 6-10 

 in. 1., lanceolate, tripinnatifid ; lower pinnae short-stalked, lanceolate, l|-2 in. 1., 

 |-| in. br., patent, cuneate-truncate on lower side at base, lowest distant, not 

 reduced ; pinnl. ligulate-lanceolate, blunt, adnate, 1^-2 lin. br., lower deeply 

 pinnatifid, with blunt lobes ; texture moderately firm ; surfaces glabrous, green, 

 lower densely scaly on the midribs ; veins one to each lobe, erecto-patent, falling 

 far short of the edge ; son medial, one to each lobe ; inv. glabrous, persistent. 



Hab. Coban, Guatemala, Salvin & Godman. 



93*. N. (Last.) guatemalense, Baker; st. f-1 ft., glossy-brown, without scales, 

 downy upwards ; fr. f-1 ft., lanceolate-deltoid, tripinnatifid ; rachis downy, 

 winged in upper half; lower pinnce largest, deltoid, produced on lower side, 

 the central lanceolate, patent, |-1 in. br., rather reduced below, their rachises 

 winged throughout; pinnl. subsessile, lanceolate, unequal-sided, cuneate- 

 truncate on lower side at base, pinnatifid, with lanceolate lower segm. ; texture 

 rigid but thin ; surfaces dull-green, lower downy and with yellow sessile glands ; 

 venules erecto-patent ; sori middle-sized medial ; inv. glabrous, persistent. 



Hab. Guatemala, Salvin & Godman ; Chiapas, South Mexico, Gheisbreght, 422. 

 Texture and final divisions very like those of N.efftisum. 



94. N. (Last.) sparsum, Don. The following are either varieties of this or 

 closely allied: 1. A. nitidulum, Wall. Kuhn, Linn. 36. p. 177; cutting and 

 size of type, but stem castaneous ; 2. A. obtusissimum, Mett. Kuhn, Linn. 36. 

 p. 119 ; less cut large variety with broader, shorter, blunt oblong or obovate 

 final lobes f in. br. ; 3. Lastrea membranacea, Arnott, MSS. ; fr. \ ft. 1., lan- 

 ceolate, membranous, only bipinnatifid ; the pinnce. cut down to a broad wing 

 with close broad-toothed blunt lobes ; rachis naked ; 4. L. gracilis, Moore, 

 Bedd. F. B. 1198 ; fr. 3-4 in. 1., lanceolate, bipinnatifid, the st. and rachis clothed 

 with spreading linear scales ; 5. Var. minor, Thwaites, C. P. 3383 ; fr. % ft. 1., 

 lanceolate, bipinnate, with spaced sharply-toothed pinnl. and a naked rachis. 



Hab. 2, 3, and 5 are Ceylonese ; 1 and 4 Himalayan. 



99*. N. (LasU kilmense, Baker ; fr. subdeltoid, 1 ft. 1., tripinnatifid ; main 

 rachis glabrous, those of the pinnae with a few broad scales ; pinnl. erecto-patent, 

 stalked, ovate-lanceolate, acute, 4-5 in. 1. ; pinnl. ovate-trapezoid, obtuse, un- 

 equal-sided, lower stalked, l-l in. 1. ; lower segm. stalked on a narrow wing, 

 ovate-trapezoid, crenate-dentate, cuneate-truncate on lower side at base ; texture 

 moderately firm ; surfaces dull-green ; lower veinlets forked, running to tip of 

 teeth ; sori nearer midribs than edge ; inv. glabrous. Aspidium, Kuhn, Fil. 

 Afr. 24. 



Hab. Mount Kilmanjaro, East Central Africa, Kerslen. Near alhamanticum, with 

 blunt fiaal lobes. 



100*. N. (Last.) Buchanani, Baker ; st. tufted, J-l ft., brownish at base, 

 stramineous upwards, densely clothed with deflexed linear-subulate dark-brown 

 scales ; fr. deltoid, 1-2 ft. 1., quadripinnatifid ; rachis stramineous with less dense 



