DIDYNAMIA ANGIOSPERMIA. Ruellia. 
teis lanceolatis brevibus, calycis laciniis subulatis tubo 
corollz quadruplo brevioribus. 
Near Savannah, Georgia. JJ. July, v. s. in Herb. 
Enslen, 
5. R. glabriuscula, diffusa, radicans; foliis in petiolum lon- 
giuscule angustatis ovalibus obtusis, floribus subsessi- 
libus, capsulis linearibus. Mich. ff. amer. 2. p. 23. 
In Georgia and Florida. Michaux. +. 
505. BUCHNERA. Gen. pl. 1035. 
!. B. caule simplici, foliis lanceolatis subdentatis asperis 
Pr cae spicis remotifloris, —Willd. sp. pl. 3. 
p.3 
On ay is hills: Pensylvania to Carolina; rare. Y. 
^ July. v.v. Flowers deep blue. 
506. ANTIRRHINUM. Gen. pl. 1007. 
1, A. procumbens, pilosum ; foliis alternis hastatis integer. 
; rimis, pedunculis solitariis longissimis.— Willd. sp. 
pl. 3. p. 234. 
Icon. Fl. dan. 426. Engl. bot. 692. 
In sandy fields: Pensylvania to Virginia. ©. July, 
Aug. v.v. "Flowers yellow mixed with purple. 
2. A. erectum, glabrum ; fóliis sparsis. lanceolato-lineari- 
. bus confertis, spicis terminalibus densifloris, calyci- 
. bus glabris calcare brevioribus, — Willd. sp. pl. 3. 
p. 253. 
Icon. Fi. dan. 082. Engl. bot. 658. 
In fields and dry hills, near houses ; frequent. Y. June 
. —Aug. v. v. Flowers large, yellow. This fine- 
looking plant is one of the worst and most trouble- 
some weeds in several parts of Pensylvania and Virginia. 
3. A. assurgens, glabrum, simplicissimum ; foliis sparsis 
erectis angusto-linearibus obtusis remotis, floribus ra- 
cemosis, stolonibus procumbentibus.— Willd. sp. pl. 3. 
p.255. 
jon Vent. hort. cels A0. 
In low grounds : Canada to Carolina. e. apg te 
v. v. Flowers small, purple. : 
4. A, pusillum, simplex, glabrum ; foliis oppositis linearibus 
acutis, floribus axiliaribus brevi-pedunculatis, calyci- 
bus campanulatis. 
421 
humistrata. 
americana. 
Elatine. 
Linaria. 
canadense. 
tenellum. 
