150 GLOSSAEY. 



Lunate. Crescent- shaped. 



MarcTiantiaform. Eesembling Marcliantia or Liverwort, wliicb. seedling 



Ferns do very nearly. 

 Marginal. Wlien seed vessels are on or close to the margin of a frond, 



they are marginal. 

 Medial. If the receptacle is somewhere between the apex and the base 



of the venules. 



Membranaceous. \ r^ • ,- » , ,, . 



\ Consisting or membranes — thin covering. 

 Membranous. ) 



Midrib. The centre vein, the costa. 



Multiserial. In many rows. 



Oblique. When the seed vessels, when elongated, are at an angle with 



the midrib. 

 Oblong -linear. A lengthened elliptical form. 

 Obovate. Wider at the apex than base — egg-shaped. 

 Ovate. When the development is greater at the base than at the apex 



— egg-shaped. 

 Ovate-rhomboidal. Rhomboidal egg-shaped. 

 Pedate. Palmate, with the addition of further subdivisions in the lateral 



portions. 

 Pedicellate. Having a pedicel. 

 Pedicels. Stalks. 

 Pentangular. Deltoid. 

 Petiolate. Purnished with a petiole. 

 Petiole. Poot-stalk of a frond or leaf — leaf-stalk. 

 Pinnce. Single leaflets in pinnate fronds. 



Pinnce- alternate. When the pinna? are not arranged opposite each other. 

 Pinnate. Separate leaves arranged along each side of the midrib, and 



divided quite to the rachis. 

 Pinnatifid. When the edge of the frond is cut in deep segments, nearly, 



yet not quite down to the rachis. 

 Pinnato-pinnatifid. The compound of pinnate and pinnatifid. 

 Pinnules. The leaf- like divisions of the pinnse; a leaflet of a compound 



frond. 

 Posterior -side. That side which is behind. 

 Pubescent. Hairy. 

 Querciform. Oak-leaf form. 

 Rachis. The stalk of a frond; that portion where the leaves or pinnae 



are situated. 

 Radicles. The descending roots. The small roots or fibres. 

 Receptacle. The organ of fructification. That spot amongst the veins 



where the capsules are placed. Genera and species are determined 



by its position with regard to the veins. 



