SNAPDRAGON FAMILY 131 



yellow, red or rarely white, united into a slightly irregular, bell- or 

 funnel-shaped corolla, slightly 2-lipped, stamens 4 in pairs, inserted on 

 the corolla, included, ovary with 2 cavities, style thread-like, capsule glob- 

 ose or ovoid; flowers in racemes or panicles, or solitary and axillary; 

 leaves mainly opposite and sessile; annual or perennial. 

 Stems erect, 1-2 ft. high; leaves linear, 1-2 in. long; 



corolla 10-15 cm. long G. besseydna 



GRATIOLA Linne 1753 HEDGE HYSSOP 

 (Lat. gratia, favor, -ola, small, from its reputed healing qualities) 



Sepals 5, united, into a slightly unequal calyx, petals 5, yellow or 

 whitish, united into an irregular somewhat 2-lipped corolla, its tube cy- 

 lindric, upper lip entire or 2-cleft, lower lip 3-lobed, stamens 2 perfect, 2 

 sterile (or these lacking), ovary with 2 cavities, style thread-like, stigma 

 slightly 2-lobed, capsule ovoid or globose, 4-valved; flowers stalked, soli- 

 tary in the axils ; leaves opposite, entire or toothed ; annual or perennial. 

 Stems 4-12 in. high; leaves oblong, 1-2 in. long; corol- 

 la 8-12 mm. long G. virginiana 



LIMOSELLA Linne 1753 MUDWEED 

 (Lat. limus, mud, sella, seat, from its habitat) 



Sepals 5, united into a bell-shaped calyx, petals 5, white, pink or pur- 

 ple, united into an open bell-shaped nearly regular corolla with short tube, 

 stamens 4, inserted on the corolla tube, scarcely exserted, ovary with 

 2 cavities at the base, 1 above, style short, stigma head-shaped, capsule 

 globose or oblong, becoming 1-celled ; flowers solitary at the ends of leafless 

 stems arising from the ground ; leaves basal, entire ; floating or creeping 

 tufted annuals. 



Plants 1-4 in. high ; leaves spatulate, 1-5 in. long, flow- 

 ers 2-3 mm. wide L. aqudtica 



LINARIA Jussieu 1789 BUTTER-AND-EGGS, TOAD-FLAX 



(Lat. linaria, flax-like, from the resemblance) 



PL 22, fig. 10. 



Sepals 5, united, petals 5, yellow, white, blue, purple or variegated, 

 united into an, irregular, 2-lipped corolla, spurred at the base, the upper 

 lip erect, 2-lobed, the lower spreading 3-lobed, its base produced into a 

 palate often nearly closing the throat, stamens 4 in pairs, ascending, inserted 

 on the corolla, included, ovary with 2 cavities, style thread-like, capsule 

 ovoid or globose, opening by 1 or mostly 3-toothed pores or slits below 



