DIDYNAMIA ANGIOSPERMIA. Rudlia, 
teis lanceolatis brevibus, calycis laciniis subulatls tubo 
corollae quadruple brevioribus. 
Near Savannah, Georgia. 2 /. July. v» s, in Herl, 
Enslen, 
5. R. glabriuscula, diffusa, radicans ; foliis in petiolum lon- 
giuscule angustatis ovalibus obtusis, floribus subsessi- 
libus, capsulis linearibus. Mich.Jl. amer, 2.p, 23. 
In Georgia and Florida. Michaux. + . 
505. BUCHNERA. Gen. pi 1035. 
l.B. caule simplici, foliis lanceolatis subdentatis asperis 
trinervibus, spicis renaotifloris. — JVilld. sp. pi 3. 
p.334. 
On dry sandy hills : Pensylvania to Carolina \ rare. 7/ . 
July. V, V. Flowers deep blue. 
506. ANTIRRHINUM. Gen. pi 1007. 
1. A. procumbens, pilosum ; foliis alternis hastatis integer- 
rimis, pedunculis solitariis longissinais. — Willd. sp. 
pi 3.p. 234. 
Icon. FI dan. 426. Engl hot. 692. 
In sandy fields : Pensylvania to Virginia. O • July, 
Aug. V. V. Flowers yellow mixed with purple. 
2. A. erectum, glabrum ; foliis sparsis lanceolato-lineari- 
bus confertis, spicis terminalibus densifloris, calyci- 
bus glabris calcare brevioribus. — iVilld. sp, pi 3. 
p. 253. 
Icon. FI dan. gS2. Engl hot. 658. 
In fields and dry hills, near houses j frequent. If. . 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. — JVilld. sp.pl. 3. 
p. 255. 
Icon. J^ent. hort. cels 4p. 
In low grounds : Canada to Carolina. G* June — Aug. 
V. V. Flowers small, purple. 
4 . A. pusillum, simplex, glabrum 5 foliis oppositis linearibus 
acutis, floribus axillaribus brevi-pedunculatis, calyci- 
bus campanulatis. 
421 
humistrata. 
americana. 
Elatine, 
% Linaria. 
canadense. 
tencllim. 
