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TRIANDRIA MONOGYNIA. - Heteranthera. ; 33 
Anonymos aquatica grarninifolia.  Clayt. num. 814. 
Icon.  Mich..fl. amer. 1. t. 5. f: 2.. Jacq. l.c.t. 59. 
Floating, in the waters of Pensylvania, Virginia, kc. Y. 
July. v.v.; v.s. in Herb. Gronov. Flowers yellow. 
43. SERPICULA. Gen. pl. 1413. 
1. S. floribus triandris hermaphroditis, stigmatibus ligulatis occidentalis. 
reflexis bifidis, foliis ternatis linearibus acutis, 
Elodea canadensis. Mich. fl. amer. 1. p. 20. .. 
In stagnant waters, frequent; from Canada to Virginia. 
X. July. v.v. Flowers very small and delicate, 
white; leaves when magnified very finely serrulate. 
Michaux describes the leaves to be oblong and obtuse, 
which is only the case in the early part of the season : 
at flowering time they certainly are long, linear, and 
44, XYRIS. Gen. pl. 89. 
1. X. foliis longissime-gramineis scapisque tortuosis, capi- indica. 
' tulo globoso :. squamis subrotundis obtusis. 
X. indica. Willd. sp. pl. 1. p.254? — — 
leon. Pluk. alm. t. 416. f. 4? E: 
In overflowed meadows and small ponds : Pensylvania to 
Virginia. X4. June, July. v.v. Flowers yellow. 
2. X. foliis lineari-gramineis, scapo ancipiti, capitulo ovato caroliniana. 
acuto: squamis obtusis. i UR 
X. caroliniana. Lam. illustr. 1. p.132. Walt. ft. car.69. 
- X. Jupicai. Mich. fl. amer. 1.9.23. — 
n low grassy fields, in sandy soil, from New Jersey to 
Florida. “2. June—Aug. v. v. Heads small; 
_ flowers yellow; it is extremely variable. — 
8. X. foliis subulato-gladiatis, scapo tereti; capitulo globo- Črevifolia. 
TOGO Muh fl. mr Ipa 0... 
In low meadows of Lower Carolina and Georgia. Y. 
July. v.s. "The smallest species ; flowers yellow, 
(45. SPARGANIUM. Gen. pl. 1402. Bar-feed. 
1. S. foliis basi triquetris lateribus concavis, pedunculo ramosum. 
-` Communi ramoso, stigmate lineari. Smith, brit, 3. 
,2:961.- Willd.sp.pl.4.p.199. — — 
Reetu © Spc pL 1308. ^ 7. 0000s 
Icon. Curt. lond; 5.1.66. Engl. tot. 744. 
D 
