1264 BENGAL PLANTS. [Ophioglossum. 
Sterile division of frond ovate or ovate-oblong, herbaceous, ape gene- 
rally about the middle ulgatum. 
terile division of frond cordate, membranous, placed general some- 
what below the middle culatum 
2848. OpHioGLossum vuLGATuUM Linn.; F. I. C. 464. 
Chota Nagpur 
small, petancnus ** Adder’s Tongue.” 
2849. OPHIOGLOSSUM RETICULATUM Linn.; F. I. C. 465. 0. cor- 
difolwm F. I. 747 ay C. B. C.). 
Behar; N. Ben Bengal. 
A small, sienbamibas _ Adder’ s Tongue.” Beng. Ektir. 
1152. Helminthostachys Kaulf. 
Herbs, terrestrial ; Fronds Saar sterile segments foliaceous, 
digitate ; fertile upraised and rising from base of leafy segments ; 
veins forked, free. Sagi in coian, crested clusters, that form 
a long, loose spike. 
2850. HeLMinrnostacuys zevLantca Hook.; F. 1. C. 467. 0% 
munda zeylanica F. I. 748 =A C. 5B. C). 
Behar; C. Bengal; E. Bengal; Sundribun 
A stipate fern, with thick, fleshy, sbdaabie rhizome. 
Beng. Ekbir 
VIII.-__RHIZOCARPEZ 
Herbs, sometimes annual, floating, fugacious ; sometimes 
perennial, with a filiform rhizome. Sporangia of tw o kinds, 0 
the same or in different membranous conceptacles, * whieh are 
single with no outer covering, or several together in a dehiscent, 
coriaceous, outer conceptacle. Macrosporangia with a single 
macrospore ; microsporangia with numerous microspores- 
Order CLVII, SALVINIACEA. 
Fugacious, floating, annual, aquatic herbs; stems simple oF 
branched, giving off sessile or short-petioled leaves on the upper 
side, and copious root-fibres downwards. Conceptacles usually 
single, always membranous and indehiscent, and con 
sporangia of only one kind. Meereeporenrs containing a sing 
