1266 BENGAL PLANTS. [Azolla. 
tacle; the other smaller, ovoid, containing a single macrospore, 
crowned by few or many float-corpuscles, and with a calyptrate 
cap pushed off as the archegonium develops. 
2 Azouta pinnata R, Br. Salvinia imbricata F. I. 745 
(Ed. C. B. C.) 
In all the provinces. 
A small, floating, annual herb. 
Order CLYIII. MARSILEACEA. 
Aquatic or subaquatic herbs, with wide-spreading, slender 
rhizomes ; leaves singly or in tufts from its nodes, submerged or 
with floating or emergent blades. Conceptacles double, outer 
taining both kinds of sporangia. Macrosporangia containing ® 
single sa ch cadet from which: a rudimentary prothallus is pro- 
duced. microspores. 
1155. Marsilea Linn. 
Aquatic or subaquatic herbs, with a slender, creeping rhizome ; 
leaves singly or in tufts from its nodes, each with a slender petiole 
and four ae equal, spreadin 
ing or emergent leaflets, with flabellate, anastomosing veins. 
foploan oblong or globose, coriaceous, in axils of leaves or oP 
leaf-stalks, ultimately dehiscent along ventral suture into two 
valves, and emitting a mucilaginous, placental cord, bearing at 
intervals numerous oblong-cylindric sori with a membranous 
coat, each sorus with many je RCN containing numerous 
microspores and a few macrosporangia with solitary macrospores- 
Pedicels adnate to the base of the petioles .........+-++:00+++ acne 
Pedicels quite free from the petioles..........cccc.cssececeecereeseeetette® ta. 
2854. MARsILEA QUADRIFOLIATA Linn. ; E, D. M. 306. 
In most of the provinces. : 
An aquatic herb, at the edges of ponds. Beng. Soa 
shak; Santal. Chatom arak’. 
2855. MARSILEA MINUTA Linn, M. quadrifolia F. 1. 745 (iid. 
CG. B. 0), 
In all the provinces. 
An aquatic herb, at the edges of ponds, 
