398 XCI. SCROPHULARIACE^. Antirrhinum. 



4, V. Phceniceum. (V. fermgineum, 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; Jil. with purple wool. — Native of Europe and 

 Asia. Cluite 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. ANTIRRHIXEiE. 



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). Benth. 



3. LINARIA. Juss. 



Lat. linum, flax ; 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 ; Jls. dense, im- 

 bricate ; cal. smooth, shorter than the spur. — % 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. Ej 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 ; fis. 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 ofi" 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 as the corolla. Jn. — Sept. 



3. A. Elatine. 



Procumbent, hairy; lvs. 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 — \", 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, (Autir. triorn, Linn.) Three-bird Snap-dragon. 

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

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

 pedicels. — %. 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. BiPARTiTA. Willd. (Antirrhinum bipartita. Vent.) — Glabrous, erect; 

 lvs. 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, f 



4. ANTIRRHINUM. 

 Gr. avTi, like, ^iv, a nose ; from the resemblance of the flowers to the snout of some animal.' 



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



