discovered or described since 1874. 35 



38*. P. tripinnata, Baker, in Journ. Linn. Soc. XXV, 350. Mada- 

 gascar, Baron, 5674. 



40*. P. crispatula, Baker, n. sp. Stipes very slender, densely 

 tufted, castaneous, fragile, naked, 1-2 in. long. Basal paleae 

 lanceolate, bright brown, minute. Fronds simple, lanceolate, 

 glabrous, 2-2^ in. long, | in. broad, narrowed gradually to 

 the point, generally cordate at the base, with small rounded 

 contiguous lobes. Veins very distinct, forming 2-3 rows of 

 areolae between the midrib and edge, without any included 

 veinlets. Sori placed all round the margin of the frond, at 

 first globose, finally confluent. Indusium very narrow, obscure. 

 South Brazil, Glaziou, 14,405. Habit of Pteris sagittifolia. 

 Sori and indusium very different. 



Genus 31. PTERIS Linn. 



Subgenus Eupteris. 

 1*. P. phanerophlebia, Baker, in Journ. Bot. 1881, 367 ; Hook. 



Ic. tab. 1610. Madagascar, Curtis, Baron, Humblot, Last. 



Habit of P. sagittifolia, Raddi, but veins free. 

 1*. P. quinquelobata, Baker; Pellaea quinquelobata, Fde; Prantl, 



in Engler's Jahrb. 1882, 422. South Brazil, Glaziou, 7011. 



Habit of less divided forms of P. palmata. Frond thick, 



deltoid, 3~5-lobed. 

 1*. P. platysora, Baker, in Journ. Bot. 1880, 211. Sumatra, 



Beccari. 

 3*. P. vitiensis, Baker, in Journ. Bot. 1879, 295. Fiji, Home, 



718. 



4. P. cretica, L. P. Mayt, Hort. is a crested variegated form. I 



cannot separate specifically the New Zealand P. lomarioides, 

 Colenso, in Trans. New Zeal. Instit. 1880, 380; Field, Ferns 

 New Zeal. 91, tab. 25, Fig. 4. P. treacheriana, Baker, in 

 Journ. Bot. 1879, T. 5, is identical with P. melanocaulon, 

 Fe*e. 



5. P. pellucida, Presl. P. commutata, Kuhn, in Reise Decken 



Bot. 20, is apparently a variety of pellucida, with veins casually 

 anastomosing. 



5*. P. papuana, Cesati, Fil. Bee. Polyn. 3, 7. Rhizome repent, as 

 thick as a man's thumb, tomentose, with minute brown subu- 

 late paleae. Stipe a foot long, naked, dark purplish brown. 



