77. PLATTCERITJM. 711 



§ 2. SCUTIGERA. 



* (8) P. coronariuiii, ne«v.. Prod., 215; P. biforme, Bl., Rac, 

 Flor. Btz., I, 57; BL, Flor. Jav., II, 44, tab. XVIII ; Bedd., Ferns Br., I, tab. CIX ; 

 II, tab. CCXXIV; Alcicornium coronarium, Und., Bull. Torr. CI., XXXII, 594; 

 Osmunda coronaria, Kon., (oldest name); var i cucullatiimj V i A i V i R i ) 



Bull. Ddp. Agr . I. W., ^OOSj XVIII, SB. 



Basal fronds roundish, thick, at length yellow-brown, the upper edge of- 

 ten deeply lobed. Fertile fronds single, double or clustered, to 100 — 450 c.M. 

 long, stalked, pendulous, repeatedly dichotomous; ultimate lobes ligulate, 2 — 3 

 c.M. broad. Texture coriaceous; surfaces not rarely clothed with more or 

 less numerous stellate hairs. Sori placed on a broadly reniform or Irans- 

 versally oblong, mostly convex, sometimes half-cupshaped, stalked segment 

 10 — 20 c.M. broad, springing from the lower part of the fertile fronds, in 

 the lowest sinus, 1 to each frond. 



Vari encHllatmii i Ultimat a l obeg of fert i le frondg dilate d towai a 



the obliquely rotundato-truncate and sIightly__esaEgiBate — ape£ Soriferous 

 segment lnn[7itudinn11y oMnnfT, ^rrtTTrFnliatr rather slipper-shaped, the edge 

 jMwadijCyecttrved , 



Malaya; Siam, Burmah; var cucullatu m : L ingga Itlandt (Teyg m aBn) ,. 



rS. EL..A.I»HOGtLOSSUM:, Schott. 



Sori indefinite; spora:ngia densely covering the under surface of the fer- 

 tile fronds. 



Rhizome mostly creeping. Fronds simple, articulate or subarticulate to 

 the rhizome, uniform or nearly so, rarely exceedingly different in shape; 

 veins free or united by a submarginal veinlet or a marginal, cartilagineous 

 or decoloured strand. Hk. Bk., Syn. Fil., tab. VII, fig. 60, a— b; Diels, in 

 Engl. & Prantl, Nat. Pfl.Fam., I*, fig. 173 & 174, A, E & H. 



Pantropical, but more especially neotropical. 



Arrangement of the sections. 



$ 1. ACONIOPTERIS. Fronds bordered by a submarginal vein or marginal, 



diaphanous, decoloured, cartilagineous or thickened line or strand. 

 §2. EU-ELAPHOGLOSSUM. Fronds not bordered as in § 1. 



