!4 TRIANDRIA MONOC.YNIA I 



b. Ovary superior. 



15 SCHOLLERA. Sehreb. Gen. PI. 1711. I 



[Dedicated to Fred. Mam SchoUer, a German BotaalM.l 



Aftrtfe 1 flowered. *►«*»*<* corolla-like, with a long, slender tube « 

 limb deeply G-parted. #»<Aer« of two forma. Ctymfe 1-celled. I 



i»Ai«^«nN^<>l>^ A *<* 0riL •» Li '" ,/ '- *>»»»>«"*• I 



I S okaminea /?«»•/. Stem slender, dichotoraoua, floating ; leaves 

 senile 'linear. ' Jfec*, JA*. P- 369. Icow, Barr. .//». 2. faft. 54. 



S." S raminiIolia. . »/«A/. CataU p.f< Ton: Fl. l.p.il. Eat. Man. p. 



827 



Loptanthus gramineufle J/r. ^m. 1. />. 25. Icon, J&. /. c. *a4. 5. / 



8. Per* S'yn. Ljfc «"> r >- >Mk#« cv "- W'- 29 « #**#• Ency. />• 44. 

 Hctcranthera gramineu. Pursh, Am* Up* 32. 

 Grass-like Schollera. 



i?oo/ perennial. Stem submersed, 1 to Q fret 1 >&g, radicating at the base of tilt 

 lower leaves. Leaves narrow, 3 to 12 inches long. S^zt^ short* lanceolate. Tube 

 of the Perianth very slender, long, and a little curved ; limb yellow. Stamens 4; 

 3 of the imMers linearj ami one abortive. 

 JIab. FlowingwatersrBrandywine^chuylkill.^c. frequent. 77. July. FV. Sirn. 



Ob$. Thtoeleiidexv delicate-flowered plant, la pretty common in the Brandywine; 

 but does not seem to bloom freely, every year. It is the only apedftf of the genus. 



16. HETERANTHERA. Rldxand Pavon* FLPeruv. (ex Torr.) 



[Greek Ueteros, different, and uyithnn; the anthers in the same flower beni; 

 L ' dissimilar.] 



Spathe enclosing the flowers. Perianth corolla-like, tubular ; limb 6- 

 parted. Anthers of two forms. Capsule 3-celled, many seeded, open- 

 ing at the angles ; dissepiment contrary. 



Herbaceous, creeping plants, growing in miry places: leaves alternate, with a 

 •beathing base. Nat. Ord. 5M6. Limll. Pontbderi js. 



1. H.reniformis, 7?. and P. Leaves orbicular-reniform ; spathe oblong, 

 aciuninate, 3 to 5-flowered. Beck, Bot. p. 369. 

 H. acuta. Pursh, Am. 1. p. 32. 

 4 eptanthus renifonnis. Mx. Am. 1. p. 25. JSTutt. Gen. 1. p. 29, Lindl. 

 Ency.p 44. 

 L. virgihica, and peruviana* Pers. Syn. 1. p. 56. 



KlDNEY-SHAPEB IIeTERAXTUERA. 



Root perennial. Stem prostrate, radicating, 4 to 13, and 19 inches long. Leave* 

 feroad-reniform with semicircular nerves, somewhat acute, petlolate. Spathe en- 

 veloping the flowers, tenninating in a cusp. Perianth v> bite, imperfectly expand- 

 ing, and very evanescent. Stamens somewhat collateral ; two of the Anthers 

 •mall, roundish, yellow, on short filaments,— the third large, oblong, greenish, on 

 a longer filament. Capsule oblong, subtriangular. 



Bab. Muddy margins of rivulets : frequent. Fl* July— Aug. Fr. Sept.— Oct. 



06s. There is one other species in the U. States, viz. H. oralis ; of which I have 

 received beautiful specimens, with blue flowers, from my valued friend, Professor 

 Short, of Lexington, Kentucky. 





