188 AUT. BOT. 
1402, RHIZAKENIA Raf, fructific. radi- 
calis, scapo incurvato unifloro, capsula akeni- 
formis monosperma globosa, apex stigmatifor- 
mis lobato umbilicato perforato fol. radic. pe- 
tiol—singular G. of the Rhizospermous family 
near to Pilularia, Isoeies &c. 
Rhizakenia ovata Raf. Hydrocharis cordi- 
folia! Collins mpt. an. Nut? Ambrosinia! alis- 
moides Nut. mpt.—repens glabra, petiolis elon- 
- gatis teretib. fol. ovatis acutis vix venosis, scapis 
brevissimis recurvis, capsula pendula- -in some 
ponds from New England to Florida? very lo- 
cal and rare, petiols 3 to 6 inches, leaves uncial 
not at all cordate base acute, veins paralel 
transversal, scape 1 or 2 inches, capsule pisi- 
form. + 
1403, Hyprocuaris morsus L. O. Europe, 
quite unlike the last in every thing. 
1404, Eriocauton longifolium Raf. fol. gra- 
mineis longissimis pedalis latiusculis obtusis, 
scapis fol. sepe breviorib. usque ad medium va- 
ginatis, apice contortis costatis, capit. depressis, 
bract. ovatis acutis scariosis fulvis pubens— 
South New Jersey in swamps, leaves pedal, 
scape slender rigid, heads small, fl. pale. 
1405, Erioc. callosum Raf. fol. gramineis 
semipedalis latiusculis apice obt. callosis, scapis 
fol. longior basi vaginatis contortis sulcatis, ca- 
pit. depressis, bract. subrot. acutis vel obt. ful- 
vis glabris, fl. cinereis— Alabama, leaves broad- 
er at base, scape ultrapedal, heads small, fl. 
cinereous. 
1406, Erioc. serotinum Walt. fol. semiped 
angustis glaucescens, obt. scapis elongatis, basi 
vaginatis, contortis sulcatis costatis, capit. glo- 
bosis umbilicatis, bract. latovat. acum, vel lace- 
ris glabris—New Jersey to Carol. blended with 
