PRIMROSE FAMILY 91 



NAUMBURGIA Moench 1802 LOOSESTRIFE 

 (Named for Naumburg, a German botanist) 



Sepals 5-7, petals 5-7, yellow, united, the tube exceedingly short, 

 stamens 5-7, exserted, ovary 1-celled, style slender, stigma capitate, capsule 

 5-7-valved, flowers in axillary spike-like racemes or heads ; leaves opposite, 

 sessile, lance-shaped, entire; perennial. 

 Stems 1-3 ft. high ; leaves lanceolate, 2-4 in. long; flow- 

 ers 4-6 mm. wide N. thyrsiflora 



DODECATHEON Linne 1753 SHOOTING STAR 



(Gr. dodeka, twelve, theoi, gods) 



PI. 16, fig. 4. 



Sepals 5, united, petals 5, united at base, pink, or rose-purple to white, 

 strongly reflexed, stamens 5, an exserted cone on the throat of the corolla, 

 ovary 1-celled, style slender, exserted, stigma globose, capsule oblong or 

 cylindric, erect, 5-6-valved at the apex or splitting to the base ; flowers nod- 

 ding, in terminal umbels ; leaves basal, simple ; perennial. 



Stems 2 in. -3 ft. high ; leaves usually oblanceolate to 

 obovate, 2-10 in. long; flowers 1.5-3 cm. long D. meddia 



PRIMULA Linne 1753 PRIMROSE, COWSLIP 



(Lat. primus, spring, -ula, small, from the time of blooming) 



PL 16, fig. 1, 3, 6. 



Sepals 5, united, petals 5, pink, lilac or rose-purple, united into a 

 funnel- or salver-form corolla, the tube longer than the calyx, the lobes 

 sometimes notched or 2-cleft, stamens 5, included, ovary 1-celled, style 

 slender, stigma globose, capsule oblong-ovoid, or globose, 5-valved at the 

 summit ; flowers in terminal umbels, or racemes, sometimes single ; leaves 

 basal, simple ; perennial. 



1. Leaves densely white mealy below; corolla lobes 



deeply cleft P. farindsa 



2. Leaves green on both sides ; corolla lobes mere- 



ly notched 



a. Plant low, 1-5 in.; leaves .5-2 in. long; flow- 



ers 1-few, 1-2 cm. long P. angustifolia 



b. Plant tall, 6-25 in.; leaves 3-10 in. long; flow- 



ers several to many, 2-3 cm. long P. Pdrryi 



