32 
communis . 
erecta . 
jluvia tills. 
acuta . 
limosa. 
graminea. 
triandria MONOGYNiA. Commelina. 
Id shady woods from Pensylvania to Carolina. 1/ . July, 
Aug. v. Flowers large. 
4» C, foliis ovato-lanceolatis subsessilibus acutis cauleque 
repente glabris, involucris cordatis conduplicatis. Vahl. 
enum. pl 2. p. i/O. Willd. sp. pl. 1. p. 24Q. 
Icon. DHL elth. t. 78. f. 89. 
C. caroliniana, Walt.fi . car. 68. 
In sandy fields in Carolina. Walter. If . July. v. s. in 
Herb . Walter. 
5. C. foliis ovato-lanceolatis scabris, involucris cucullatis 
turbinatis, caule erecto. Vahl. enum. pl. 2. p. 1/2. 
Willd. sp. pl. 1. p. 251. 
C. communis. Walt.Jl. car. 68. 
Icon. DHL elth. t. 77* fi $8 ? 
In sandy shady places in Virginia and Carolina.- 1/ . July. 
v. v. Fet. 2. large. 
41. SYENA. Gen.pl. 88. 
1. Syena. Willd. sp. pl. 1. p. 254. 
Mayaca fluviatilis, /lull. guj. 1 . p. 42. 
Icon. Aubl. guj. I. c . t. 15. Lam. illustr. 1. t. 36 
In small rivulets of Virginia and Carolina. I/ . July, 
v. v. Flowers white, solitary, small. 
42. HETERANTHERxV Beauvais in act. sac. amer. 4 . 
1 . H. foliis subrotundo-reniformibus acutis, spathis subtri- 
floris glabris. Vahl. enum. pl. 2. p. 42. Willd. in 
act . soc. ani. h. nat . 3. p. 438. 
Leptanthus reniformis. Mich.fi. amer, l.p.25 . 
Icon. Beauvais in act. soc. amer. 4. p . 173. H. reni- 
formis. 
In small rivulets and ditches, on a clay soil, in Pensylva- 
n a, Virginia, &c. I/ . June, July. v.v. Flowers 
white j leaves floating. 
2 . H. foliis ovato-oblongis, spathis lanceolatis unifloris. 
Vahl. enum . pl. 2. p. 44. 
Pontederia limosa. Swartz.fi. ind. occid. 1. p. 6ll. 
Leptanthus ovalis. Mich.fi. amer. 1. p. 25. 
Icon. Mich. 1. c . t. 5.f. I. Sloan, hist. 1. t. 14 Q.fi. 1. 
On the banks of rivers and small rivulets in the south- 
western parts of the United States l/.July. v. s. 
Flowers blue ; leaves erect. 
3. H. foliis omnibus linearibus. Vahl. enum. pl 2. p. 45. 
Leptanthus gramineus. Mich.fi. amer l.p.25 « 
Commelina dubia. Jacq . obs. hot . 3. p . 9. 
