HEMITELIA. 



163 



GENUS II. 



HEMITELIA. Brown. 



Habit erect and arborescent. Fronds large — four to eight 

 feet long. Yeins simply or pinnately forked; venules free, the 

 lowest mostly angularly anastomosing, and forming a costal arch. 

 Sori solitary, globose, and medial, or axillary. Receptacle ele- 

 vated and globose. Indusium semicircular and concave. Cyathea 

 is known by the complete cup-shaped involucres; whilst Hemi- 

 telia is recognised by its half cup-shaped involucres, and its 

 arcuately-anastomosed basal venules. 



All natives of the Tropics. 



Sir W. J. Hooker, in his "Species Filicum," describes — 



Speciosa, Kaulfuss, Caraccas. 

 ? Alternans, Hooker, Penang. 

 Obtusa, Kaulfuss, West Indies. 

 Grandifolia, Sprengel, Mar- 

 tinique. 

 ? Parked, Hooker, Guiana. 

 Imrayana, Hooker, Dominica. 

 Horrida, Brown, St. Domingo. 

 Petiolata, Hooker, Panama. 

 Hostmanni, Hooker, Guiana. 

 Multiflora, Brown, Jamaica. 

 Guianensis, Hooker, Guiana. 



DOUBTFUL SPECIES. 



Munita, Presl. 



Serrata, J. Smith* 



Stigmosa, Desvaux, Tropical 



America. 

 Cyathoides, Desvaux, Guiana. 

 Monilifera, J. Smith. 

 Cruciata, Desvaux, Tropical 



America. 

 Cordata, Desvaux, Madagascar. 

 Laciniata, Sprengel, N. Hebrides 



Mr. J. Smith, in his "Catalogue of the Ferns of Kew," enu- 

 merates — 



Speciosa, Kaulfuss. 

 Grandifolia, Sprengel. 

 Horrida, R. Brown. 



Hostmanni, J. Smith, (under 

 Genus Alsophila.) 



