PRIMULACEAE. 283 



Menziesia ferruginea Smith. Erect shrub, 1-2 m. high, the branches 

 inclined to be falsely whorled, the young branchlets strigose; leaves thin, 

 oblong or obovate, mostly acute, short-mucronate, cuneate at base, serrulate 

 and ciliate, strigose above, paler beneath, 2-5 cm. long; petioles short; pedicels 

 slender, 2-4 cm. long, glandular-puberulent ; corolla oblong- or ovoid-campan- 

 ulate, reddish-yellow, 7-9 mm. long; filaments ciliate at base; capsules oblong 

 or obovoid, glabrous; seeds tailed at each end. 



Along the ocean coast and in the Olympic Mountains in the typical Alaska 

 form. The form in the Cascade Mountains differs in having less pubescent 

 leaves. M. glabella Gray does not occur in our limits. 



Family 76. PRIMULACEAE. Primrose Family. 



Herbs; leaves simple, mostly entire, alternate, opposite or in 



a basal cluster, without stipules ; flowers regular, perfect ; corolla 



gamopetalous, 4-8-, usually 5-lobed or cleft; stamens as many as 



and opposite the corolla-lobes, epipetalous; ovary superior, 1- 



celled, with a free central placenta rising from the base; fruit a 



capsule; seeds several or many; endosperm fleshy. 



Stems short; leaves in a basal rosette. 



Corolla-lobes refiexed; stamens exserted. 388. Dodecatheon, 283. 



Corolla-lobes erect or spreading; stamens in- 

 cluded. 

 Corolla-tube equalling or exceeding the 



calyx. 389. Douglasia, 284. 



Corolla-tube shorter than the calyx. 390. Androsace, 284. 



Stems elongated, leaf-bearing. 



Leaves mostly clustered near the summit of 



the stem. ' 391. Trientalis, 285. 



Leaves not clustered near the summit of the 

 stem, mostly opposite or whorled. 

 Corolla none, the calyx petal-like; leaves 



fleshy; flowers sessile, solitary-axillary. 392. Glaux, 285. 

 Corolla present; leaves not fleshy; flowers 

 in spikes or racemes, or if solitary- 

 axillary then peduncled. 

 Capsule circumscissile; flowers reddish, 



solitary-axillary. 393. Anagallis, 285. 



Capsule dehiscent by valves or irregu- 

 larly; flowers yellow. 

 Flowers in racemes or solitary; fila- 

 ments somewhat united at base. 394. Lysimachia, 286. 

 Flowers in spikes; filaments distinct. 395. Naumburgia, 286. 



388. DODECATHEON. Shooting Star. Bird Bill. 



Perennial smooth or viscid-puberulent stemless herbs; leaves 

 all in a basal cluster, oblong or spatulate; flowers showy, nodding, 

 solitary or in an umbel, on a scape, with an involucre; calyx 

 deeply 5-cleft; corolla with a very short tube, 5-parted, purple or 

 white ; filaments distinct and short or united into a tube ; capsule 

 ovoid or oblong, many-seeded. 



