202 LOOSESTRIFE ORDER 



numerous, stigma 4-lobed or club-shaped, capsule cylindric, opening by 4 

 valves; flowers axillary or terminal, solitary or clustered; leaves alternate 

 or opposite, entire to toothed ; annual or perennial. 



1. Flowers yellowish or cream-colored; stigma 4- 



lobed ; stems woody at base E, suffruticosum 



2. Flowers white, pink, red or purplish; stigma en- 



tire or nearly so 



a. Annual, usually much branched; leaves linear 



to lance-linear; petals 6-10 mm. long, rose 



to lilac ; pods club-shaped, 2-3 cm. long E. paniculdtum 



b. Perennial by rosettes, stolons or underground 



stems 



(1) Leaves linear to lance-linear, closely gray- 



hairy; flowers pink or white, 4-8 mm. 



wide E. linear e 



(2) Leaves lanceolate to ovate, not gray-hairy 



(a) Plants with rosettes or scaly shoots; 



seeds warted under the microscope E. adenocaulum 



(b) Plants with stolons or underground 



stems ; seeds smooth under the micro- 

 scope E. alpinmn 



GALPINSIA Britton 1894 

 (An anagram of Salpingia) 



Sepals 4, united into a long funnelform tube extending beyond the 

 ovary, petals 4, yellow, stamens 8, equal, ovary 4-celled, elongated, stigma 

 disk-like, capsule elongated; flowers solitary, axillary; leaves alternate, 

 simple, entire or toothed ; perennial. 

 Stems spreading, 4-6 in. high ; leaves linear-oblong to 

 lanceolate, entire or toothed, 1-5 cm. long; flowers 

 2-5 cm. wide G. Hartwegi 



GAURA Linne 1753 GAURA 

 (Gr. gauros, proud) 



PL 32, fig. 2. 



Sepals 4, united into a narrow tube extending beyond the ovary, the 

 lobes reflexed, petals 4, white to pink or red, clawed, unequal, stamens 8, 

 ovary 1-celled, stigma 4-lobed, fruit nut-like, not splitting, 1-4-seeded; 

 flowers irregular, in terminal racemes or spikes; leaves alternate, simple, 

 sessile; annual, biennial or perennial. 



1. Flowers 3-4 mm. wide; fruit 8-ribbed; stems 3- 



10 ft. high G. parviflora 



