450 
FERNS : BRITISH AND FOREIGN. 
Sorus — - 
marginal page 52 
oblique 52 
oblong 52 
ovate 52 
serial 52 
transverse 52 
Sporangium 51 
annulate 51 
exannulate 51 
horizontal 51 
vertical 51 
Stem 45 
arborescent 46 
csespitose 46 
decumbent 46 
epigEeous 45 
hypogasous 45 
scandent 45 
squamose 46 
stoloniferous 46 
subfrutescent 46 
surculose 46 
Synangium 52 
Veins, Venules, and Veinlets 47 
anastomosing 48 
angularly anastomosing .... 49 
Veins, Venules, and Veinlets — 
anterior venules page 
arcuately anastomosing .... 
clavate 
compoundly anastomosing . . 
costaeform 
distantly anastomosing .... 
elevated 
evanescent 
excurrent 
free 
forked 
internal 
pinnate 
pinnately forked 
posterior venules 
radiate 
recurrent 
reticulated 
simple 
simply forked 
transversely 
unilateral 
Vernation 
adherent 
articulated 
fasciculate 
uniserial 
50 
49 
50 
49 
48 
49 
48 
48 
50 
49 
49 
48 
49 
49 
50 
49 
50 
49 
49 
49 
49 
48 
45 
45 
45 
4.1 
45 
WYMAN AND SONS, PRINTERS, GREAT QUEEN STREET, LONDON. 
