EVENING PRIMROSE FAMILY 301 



b. Leaves wavy-toothed or entire, rarely pinnati- 

 fid ; stems woody, bark shredding ; calyx 

 tube smooth inside A. pallida 



Chamaenerium Adanson 1763 Fireweed 

 (Gr. chamae, on the ground, nerion, rose-bay) 

 PL 32, fig. 1. 

 Sepals 4, united into a tube, not extending beyond the ovary, the 4 

 lobes falling off, petals 4, red-purple, somewhat irregular in form or posi- 

 tion, stamens 8, ovary 4-celled, stigma 4-cleft, capsule 4-celled, 4-angled, 

 elongated ; (lowers in terminal racemes ; leaves alternate, entire or wavy ; 

 perennial. 



1. Stems 1-5 ft. high; leaves lanceolate, short-peti- 



oled, 2-8 in. long; bracts small; style hairy at 



base C. angustifolium 



2. Stems .5-1.5 ft. high; leaves mostly sessile, lance- 



ovate, 1-2 in. long; bracts leaf-like; style 

 smooth C. latifolium 



Chylisma Xuttall 1840 

 (Gr. chylisma, the juice of plants) 

 Sepals 4, united into a funnelform or obconic calyx, petals 4, yellow, 

 stamens 8, unequal, stigma globose, capsule linear to club-shaped ; flowers 

 in terminal racemes; leaves simple or pinnate; annual. 

 Flower stem 2-4 in. high ; leaves ovoid, entire ; flow- 

 ers 4-5 mm. long C. scapoidea 



Circaea Linne 1753 Enchanter's Nightshade 

 (Named for the enchantress Circe) 

 Sepals 2. united into a hairy tube extending but slightly beyond the 

 ovary, petals 2, white, stamens 2, alternating with the petals, ovary 1-2- 

 celled, ovules 1 in each cavity, stigma globoid, fruit obovoid, not splitting, 

 covered with hooked bristly hairs ; flowers in terminal and lateral racemes ; 

 leaves opposite, simple, toothed; perennial. 



1. Stems 4-8 in. high; leaves coarsely toothed and 



heart-shaped at base C. alp in a 



2. Stems 1-2 ft. high; leaves finely wavy-toothed, 



round or truncate at base C. pacifica 



Epil6bium Linne 1753 Willow Herb 

 (Gr. epi, upon, lobion, little pod, from the corolla) 

 Sepals 4, united into a calyx tube extending beyond the ovary, petals 

 4, white to pink or rose-purple, separate, stamens 8, ovary 4-celled, ovules 



