﻿SfO 4Sa. PTERIS. § 1. EUPTERIS. C**. PARTITAE. 



branches, + 5 c.M. long and 2 c.M. broad, cut down nearly or quite to 

 the costa into ligulate, blunt, slightly crenate segments. Texture thinly her- 

 baceous; both surfaces naked; veins inconspicuous, forked. Sori not reaching 

 the base and the apex of the segments; indusium narrow. — Branches 

 proliferous at the apex. 

 Celebes. 



Species of an indefinite syslemalical place (*). 



(35) Pt. ligulata, Gaud., Freyc, Voy. Ur. Phys., Bot., 385; Pt. 

 quadriaurita, Retz, var. Lauterbachii, Christ, in Schum. & Laut., Flor. deut. 

 Sch.geb., 134, p. p. 



Stipes tufted, black, glossy, ± 30 — 45 c.M. long. Fronds 3-partite. 

 Branches whether or not branched, deeply pinnatifid or pinnate, the apex 

 long-acuminate, the base auricled. Lobes unequal, linear, entire, sinuate, 

 toothed or lohed, the lower sometimes distinct, free, stalked, auricled. 

 Sori irregular, lateral on the fully developed lobes or terminal on the reduced 

 ones. — The scales (of the rhizome ? ) capillary, reddish, thin, diaphanous. 



Borneo, Moluccas, New Guinea. 



(34) l*t. mixta, Chtnst, Schum. k Laut., Flor. deut. Sch.geb., SuppL, 

 45 ; Pt. quadriaurita, Relz, var. Lauterbachii, Christ, p. p. 



Rachis blackish-castaneous. Fronds 2-pinnatifid, nearly 3-partite. Pinnae 

 deeply pinnatifid, the apex caudato-elongate, subentire or irregularly incised; 

 lobes pectinate, linear-acuminate. Sori thick, ochraceous : indusium nearly want- 

 ing. — Fertile fronds slightly suggesting Pt. ligulata, Gaud, but smaller. 



New Guinea. 



(35) Pt. philipiiineiiisis, JF^e, M^m., VIII, 114; X, 17, tab. 

 XXXIII, fig. 2. 



Fronds ovate-lanceolate, 2-pinnate at the base. Pinnae stalked, lanceolate, 

 the apex caudiform. Segments oblong, toothed. Sori reaching neither the 

 base nor the apex of the segments. 



Philippines. 



(*) Having not seen the 3 following species and being not able to judge their syste- 

 matical place from tlie descriptions alone, I placed them here. 



