phyllodoce ERICACEAE 419 



BRYANTHUS 



cated in 4 ranks : pedicels filiform : corolla 5-lobed: style slender, slightly 

 thickened downward. In the Blue Mountains of Oregon to the Aleutian 

 Islands and Siberia. 



C. Mertensiana Don 1. c. Rather stout, with rigid ascending stems 

 and fastigiate branches, a foot or less high : leaves 1-2 lines long, glabrous, 

 carinate and not furrowed on the back, imbricated in four ranks : pedicels 

 rather short: corolla 5-lobed: style slender, slightly thickened downward. 

 On the highest mountains, California to Alaska and the Rocky Mountains. 



C. tetragona Don 1. c. Stems erct or ascending 4-12 inches high, 

 with fastigiate branches : leaves 1-2 lines long, thick and with a deep fur- 

 row on the back, imbricated in four ranks, often pubescent when young: 

 flowers sometimes four-merous : peduncles 5-12 lines long : style slender, 

 slightly thickened below. Higher parts of the Cascade Mountains in 

 Oregon to the Arctic regions and across the Continent. 



Tribe 3, Rhodorex Don. Corolla deciduous, its lobes or petals 

 imbricated in the bud. Anthers without awns or appendages. Stig- 

 ma not rarely surrounded by a ring or border. Fruit a septicidal 

 capsule: the valves (in ours) in dehiscence separating from the per- 

 sistent placentiferous columella. 



* Anthers opening by a pore or chink at the apex of each cell. 



■*- Flowers from the axils of coriaceo-foliaceous persistent bracts, 

 or rarely from those of ordinary leaves. Corolla gamopetalous. 

 Filaments and style filiform. Capsule globular, 4-- or 5-valved 

 from above. 



6 PHYLLODOCE Salieb. Parad. Lond. t. 36. 



Low branching more or less glandular shrubs with small linear 

 evergreen leaves and white to purple or blue flowers in terminal 

 umbels. Pedicels bracted at the base. Calyx 5-parted, persist- 

 ent. Corolla ovoid, contracted at the throat, 5-toothed, Stam- 

 ens 10, included: filaments filiform; anthers attached by their 

 backs, oblong, obtuse, the cells opening by terminal oblique chinks. 

 Ovary 5-celled ; ovules numerous ; style filiform, included ; stigma 

 obscurely 5-lobed or capitate. Capsule subglobose or globose- 

 oblong, 5-valved to about the middle. Seeds minute, the testa 

 coriaceous. 



P. glanduliflora. Bryanihu* glandulijiorus Gray. Stems rather rig- 

 id, fastigiately branched, 3-12 inches high : leaves numerous and crowded 

 but somewhat spreading:, linear-oblong, obtuse, 3-6 lines long, thick, with 

 a white line through the centre below and a deep furrow above, narrowed 

 at base to a short petiole, the margins thick and scabrous : pedicels 6-12 

 lines long, glandular-hirsute: sepals lanceolate, acutish to acuminate 2 

 lines long, glandular-hirsute: corolla yellowish, ovoid, 3-4 lines long, 

 the short lobes glabrous. On rocky banks and cliffs near perpetual snow, 

 Oregon to Alaska and the Rocky Mountains. 



7 BRYANTHUS Gmel. Fl. Siber. iv, 132. 



Small evergreen shrubs with much crowded, linear alternate 

 leaves and showy rose-color to purple flowers umbellate or racem- 

 ose-crow r ded at the ends of the branches, Calyx 4-6-toothed or 



