188 At'T. BOT. 



1402, RHIZAKENIA Raf. fructific. radi^ 

 calis, scapo incurvato unifioro, capsula akeni- 

 formis monosperma globosa, apex stigmatifor-' 

 mis lobato umbilicato perforato fol. radic. pe^ 

 tiol — singular G. of the Rhlzospermous family 

 near to J^ilularia, Isoeles ^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, Veaves uncial 

 not at all cordate base acute, veins paralel 

 transversal, scape 1 or 2 inches, capsule pisi- 

 form, t 



1403, Hydrocharis morsus L. O. Europe, 

 quite unlike the last in every thing. 



1404, Eriocaulox longifolium Raf. fol. gra- 

 mineis longissimis pedalis latiusculis obtusis, 

 scapis fol. sepe breviorib. usque ad medium va- 

 ginatis, a pice 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 Kaf. fol. gramineis 

 semipedalis latiusculis apice obt. callosis, scapis 

 fol. longior basi vaginalis contortis sulcatis, ca- 

 pit. depressis, bract, subrot. acutis vel obt. ful- 

 vis glabris, ft. cinereis — AlalDama, leaves broad- 

 er at base, scape ultrapedal, heads small, li. 

 cinereotis. 



1406, Erioc, serotinum Walt. fol. semipcd 

 angustis glaucescens, obt. scapis elongatis, basi 

 vaginatis, contortis sulcatis costatis, caj)it. glo- 

 bosis umbilicatis, bract, latovat. acum,vel lace- 

 ris p^labris — New Jersev to Carol, blended with 



