LEDUM ERICACEAE 423 



CLADOTHAMNUS 



veloped from separate mostly terminal buds with well imbricated 

 caducous scales and bracts. Calyx 5-lobed or 5-parted, persistent. 

 Petals 5, widely spreading. Stamens 4-10 : filaments filiform : 

 cells of the anthers opening by terminal pores. Style filiform, 

 persistent. Pedicels recurved in fruit. Capsule oval or oblong, 

 septicidally 5-valved from the bas3 upward : placentae pendulous, 

 Seeds slender, with a loose coat. 



* Leaves densely tomentose beneath, the wool soon ferruginous and 

 the margins strongly re volute: inflorescence all terminal. 



L. Groenlandicum CEder Fl. Dan. t. 567. L. latifolium Ait. Stems 

 erect or ascending, 1-4 feet high, the branchlets rusty-tomentose: leares ob- 

 long, obtuse, 1-2 inches long, green and slightly rugose above: flowers 4-5 

 lines broad, umbellate or short-corymbose, numerous: pedicels brown-canes- 

 cent, 10-12 lines lon^, recurved in fruit: stamens 5-7,: capsule oblong, canes- 

 cent, 3-4 lines long. In cold marshes, northwest Washington to Alaska and 

 across the Continent. 



* * Leaves glabrous both sides: inflorescence terminal or sometimes 

 lateral. 



L. glandnlosum Nutt. Trans. Am. Phil. Soc. viii. 270. Stout, 2-6 

 feet high: leaves oblong or oval, 1-2 inches long, green above, white and 

 resinous atomiferous beneath: inflorescence often compound and crowded: 

 flowers numerous, white, 3-4 lines in diameter: calyx 5-parted : capsule oval, 

 retuse. In wet places, California to Brit, Columbia and the Rocky Mountains. 



* * Leaves entire. No thin-scaly strobilaceous buds. Corolla of 

 distinct petals or 5-cleft. Anthers opening longitudinally from the 

 apex nearly or quite to the base of the cells, or by terminal pores. 

 Capsule %-5-valved from above. 



14 CLADOTHAMNUS Bong. Veg. Sitk. 37, t. 1. 



Erect branching shrubs with alternate deciduous leaves and 

 solitary terminal or axillary reddish flowers from leafy phoots of 

 the season. Sepals 5, somewhat foliaceous, as long as the five 

 spreading petals, persistent. Stamens 10 : 'filaments dilated below: 

 anthers oblong, opening longitudinally from the apex nearly or 

 quite to the base of the cells. Style long, declined and incurved, 

 thickened at the apex, and annulate around the discoid stigma. 

 Capsule depressed-globose, 5 6-celled ; septicidally 5-valved from 

 above, many-seeded. Seeds oval, with a loose cellular coat. 



C. eampanuJatus Greene Eryth. iii, 65. " Shrub 4 to 5 feet high, 

 with fe\v and stoutish ascending branches: leaves lanceolate, 1 to 3 inches 

 long, tapering to a short petiole which, together with the veins beneath, is 

 more or less strigose-hirsute with red h/urs: flowers solitary or in pairs or in 

 threes, from lateral buds, on pedicels Y Z inch long, these setose-hispid with 

 red hairs: sepals ovate-oblong, densely ciliate with short gland-tipped hairs: 

 corolla light salmon-color, oampanulate, the petals joined together at base 

 into a short tube; anthers opening only by a pair of large round terminal 

 pores. High mountains of Washington and British Columbia; hitherto 

 coufused with the typical species, which belongs to Alaska." 



ORDER LV A. PYROLACE^ Agardh 01. PL 18. 

 Low mostly evergreen perennials with petioled leaves, and 



