discovered or described since 1874 . 215 
38*. P. tripinnata, Baker, ill 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, 2-2J in. long, J 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, Fee; 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, 21 1. Sumatra, 
Beccari. 
3*. P. vitiensis, Baker, in Journ. Bot. 1879, 295. Fiji, Horne , 
718. 
4. P. cretiea, L. P. Mayi, Hort. is a crested variegated form. I 
cannot separate specifically the New Zealand P. lomarioides, 
Colenso, in Trans. New Zeal. Instil. 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, 
Fde. 
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. 
