— 296 — 



7. Leptochilus Curupiræ (Lindm.) G. Chr. — Fig. 7. 



Syn. Acrostichum Lindman, Hedwigia 43:311. 1904. — A- scalp- 

 turatum Lindm. Arkiv för Bot. 1:253 tab. 8 fig. 9, 1903 (non Hetero- 

 neuron scalpturatum Fée). 



Lamina folii sterilis late ovata, 3 — 4 dcm longa, pinnata cum impari. 

 Pinna terminalis longe stipitata, prolongata, proliféra. Pinnæ laterales 

 10 — 15jugæ, fere horizontales, subæquidistantes, lineares, omnes fere 

 æquilongæ, 2 — 2V2 dcm longæ, 2 cm latæ, sessiles vel subsessiles, basi trun- 

 catæ, versus apicem longe acuminatæ, glabræ, subtus ad costam squamis 

 paucis ciliatis subrigidis instructæ, membranaceæ, firmæ, brunneo-virides, 

 superiores sæpe proliferæ. Margo pinnarum crenatus crenis denticulatis 

 versus apicem grosse serratus; pinna terminalis in speciminibus visis 

 rotundato-lobata. Venæ modo L. contaminoidis anastomosantes; maculæ 

 sæpe biseriatæ, raro triseriatæ. 



This species is a very critical one. It can, possibly, be a form of 

 L. contaminoides , the venation of the two being nearly the same (see 

 Lindman's figure), but the shape of the lamina, edges and bases of the 

 pinnæ, scales, coulour, the long-stipitated terminal pinna are characters 

 of L. Curupiræ, which do not agree with the corresponding ones of L. 

 contaminoides. 



Brasilia. Matto Grosso: Matto do Gurupira, ad .terrain silvæ pri- 

 mævæ umbrosam, Lindman, Exped. 1. Regnell A. 3061 (HS). 

 Fig. 7. Entire plant, Vis nat. size, to compare with Fig. 6 a. 



8. Leptochilus ßernoullii (Kuhn) G. Chr. — Fig. 8 a-b. 

 Syn. Acrostichum Kuhn; Christ, Bull. Soc. bot. Belg. 35 : 197. 1896. 



— Gijmnopteris Diels, Nat. Pflanzenf. V : 201. 1899. 



Lamina folii sterilis ovato-elongata , 4 — 10 dcm longa, pinnata cum 

 impari. Rachis versus apicem anguste alata. Pinnæ 10 — 25 jugæ, 

 distantes , superiores sessiles , inferiores breviter petiolatæ , lanceolatæ, 

 12 — 15 cm longæ, 2 — 2 l /2 cm latæ, acuminatæ, basi truncatæ vel rotundatæ, 

 tenuiter membranaceæ, læte- vel flavo-virides, glabræ et omnino nudæ. 

 Margo pinnarum leviter crenato-serratus vel grosse crenatus crenis obtuse 

 denticulatis. Gostulæ fere ad marginem conspicuæ, prominulæ, 3 venis 

 curvatis transversariis 3 maculas curvatas formantibus connectæ. Venæ 

 transversariæ dorso 2 — 4 appendices apicibus incrassatis (radios inter- 

 ruptos) ferentes (i. e. nervatio fere cum nervatione gen. Campii Preslii 

 congruens), vel maculæ curvatæ 1—2 radiis in 2 — 3 maculas minores 

 plerumque irregulariter appendiculatas divisæ. Venulæ exteriores liberæ 

 apicibus incrassatis marginem vix attingentes vel inter se anastomosantes. 



— Squamæ rhizomatis stipitisque lineari-subulatæ, ciliatæ, ad l cm longæ. 



