374 



THE KINDS OF PLANTS 



L. vulgaris, Mill. Toad-flax. Bntter-and-eggs. Figs. 255, 485. Com- 

 mon perennial weed (from Europe), 1-2 ft., with linear leaves and yellow 

 flowers in racemes. 



L. Cymbalaria, Mill. Kenilworth ivy. Fig. 486. 

 Trailing : leaves orbicular, o-7-lobed : flowers solitary 

 on long peduncles, lilac-blue. Europe; very common 

 in greenhouses and sometimes 

 runs wild. 



L. Canadensis, Duinont. Com- 

 mon annual or biennial in dry 

 or sandy soil : flowering stems 

 slender and erect, gener- 

 Linaria vulgaris. ^Uy gj^^pig ^nd few- 

 leaved: also prostrate shoots, more leafy: 

 leaves narrow, flat, entire, sessile, opposite 

 or wliorled: flowers small, blue, in a terminal, 

 loose, slender raceme. 



3. ANTIRRHINUM. Snapdragon. 



From Linaria differs chiefly in having 



486. Linar 



no spur, but only a swelling at the base of the corolla. 



A. m^jus, Linn. Snapdragon. Fig. 220. Erect biennial or perennial: 

 leaves oblong, smooth, entire: flowers erect or ascending, 2 in. long, purple 

 or white, in a raceme with downy axis. Europe. 



4. SCROPHULARIA. Fiowort. 



Herbs perennial, rank and generally ill-smelling, with opposite leaves, 

 and very odd-looking small, greenish-purple flowers, in simple or compound 

 loose terminal cymes: calyx deeply 5-parted: corolla irregular, with a globu- 

 lar tube, the limb 5-lobed, 4 upper lobes erect, but the lower one hori- 

 zontal or reflexed: stamens 5, 4 fertile, in two pairs, the fifth sterile and a 

 mere rudiment at the top of the corolla-tube. 



S. noddsa, Linn. var. Marildndica, Gray. Smooth, 3-6 ft., much branch- 

 ing, in thickets and damp woods, blooming in late summer and early fall; 

 stems 4-angled: leaves ovate, oblong or lanceolate, coarsely toothed, 3-9 in. 

 long, on slender petioles: flowers small, ilull-colored. 



5. CHELONE. Turtlehead. Snakeheau. 



Smooth, erect perennials, with opposite, serrate and stalked leaves: 

 flowers large, sessile, white or rose-tinged, of curious shape, in the upper 

 leaf axils, forming a terminal spike: calyx 5-parted, segments acute, brac- 

 ted at base: corolla irregular, with inflated and elongated tube concave 

 underneath, the limb two-lipped, but lips only slightly open, the upper lip 

 broad, usually emarginate, lower lip 3-lobed, bearded within: stamens 

 5, the fifth sterile and smaller, the filaments woolly. 



C. gUbra, Linn. Two to four feet high, in swamps and by brooks or in 

 ^et places. Late summer. 



