398 XC1. SCROPHTTLARIACE^E. . ANTIRRHINUM 



4. V. PHCENICEUM. (V. ferrugineum. Andr.) St. pubescent or glabrous; 

 Ivs. smooth above, radical petiolate, ovate or oblong, serrate or entire, cauline 

 few; roc. glandular-pilose, simple or subramose; pedicels solitary, remote, ma- 

 ny times longer than the calyx; fit. with purple wool. Native of Europe and 

 Asia, duite variable both in the form of the leaves and the color of the flow- 

 ers, the latter being violet, red or copper" color, -f 



TRIBE 3. ANTIRRHINEJE. 



Corolla tubular, often saccate or calcarate (spurred). Capsule dehiscing by 

 pores. Inflorescence centripetal. Leaves (at least the lower) opposite or ver- 

 ticillate (upper often alternate). Bcnth. 



3. LINARIA. Juss. 

 Lat. linum,fiax. ; from the resemblance of the leaves of some of the species. - 



Calyx 5-parted ; corolla personate, upper lip bifid, reflexed ; lower 

 lip 3-cleft ; throat closed by the prominent palate ; tube inflated, 

 with a spur behind ; capsule 2-celled, bursting at the summit. Herbs. 

 Lower Ivs. generally opposite, upper alternate. Fls. solitary, axillary 

 often forming terminal, leafy racemes. 



1. L. VULGARIS. Mill. (Antirrhinum Linaria. Linn.} Toad Flax. Snap- 

 dragon. Lvs. linear-lanceolate, crowded ; spikes terminal ; fls. dense, im- 

 bricate ; cal. smooth, shorter than the spur. 7J. A very showy plant common by 

 roadsides, N. Eng. to Ky. Stems erect, smoothish, 1 2f high, very leafy and 

 with numerous, short, leafy branches. Flowers large and numerous, crowded 

 in a long, terminal spike. Corolla of a curious and grotesque form, furnished 

 with a long tail or spur, the mouth closed by a prominent palate from the un- 

 der lip. By lateral pressure it opens, closing with a spring when the pressure 

 is removed. Color a brilliant yellow except the palate which is of a rich 

 orange. July, Aug. 



2. L. CANADENSIS. Dumont. (Antirrhinum Canadense. Linn.") Cana- 

 dian Snap-dragon. Lvs. scattered, erect, linear, obtuse ; fls. racemed ; st. 



simple ; scions procumbent. A smaller, annual species in roadsides, fields, Can. 

 to Car. and Ky. Stem very slender, nearly simple, curving upwards from the 

 decumbent base, about a foot high, smooth, furnished with small, remote leaves. 

 A few leafy, prostrate or ascending shoots are given off from the base of the 

 stem. Flowers small, blue, in a loose raceme at the end of the stems. Throat 

 closed by the light blue palate. Spur filiform, as long ae th'e corolla. Jn. Sept. 



3. A. ELATINE. 



Procumbent, hairy; Ivs. alternate, hastate, entire; ped. solitary, very long. 

 Fields, Can. to Car. A small, slender species. Stem creeping, 1 2f in 

 length. Leaves 6 8" by 3 4", with a conspicuous auricle each side at base. 

 Corolla yellow, the upper lip bright purple beneath, on long stalks. Calyx 

 hairy, as well as the whole plant. Jn. Sept. 



4. L. TRIORNITHOPHORUM. Willd. (Antir. triorn. Linn.) Three-bird Snap-dragon. 

 Erect, spreading, smooth and glaucous; Ivs. all verticillate in 3s or 4s, broad- 

 lanceolate, acute ; fls. interruptedly racemose, generally verticillate, on long 

 pedicels. 7J. Native from Portugal to Austria. A showy plant 2 4f high, 

 remarkable for the form and hue of the corolla which resembles three little birds 

 seated in the spur, f 



5. L. BiPARTlTA. Willd. (Antirrhinum bipartita. Vent.} Glabrous, erect: 

 Irs. linear ; pedicels much longer than the calyx ; sep. lance-linear, acute, mem- 

 branaceous at the margin ; cor. upper lip deeply 2-parted ; spur slender, arcuate. 

 A beautiful plant from Barbary. Corollas 8 10" long, violet-blue, palate 

 orange, j- 



4. ANTIRRHINUM. 



Gr. avn, like, piv, a nosa ; from the resemblance of the flowers to the snout of Rome animal. 



Calyx 5-sepaled ; cor. gibbous (not spurred) at base, the upper lip 



