224 ONAGRACE^E. EPILOBIUM. 



calyx-tube very narrowly funnel-form, 1-2 lines long; petals about 4 lines 

 long, violet; capsule fusfform, falcate, ascending about LO lines long; seeds 

 a line long, low-papillate. Brit. 'Columbia to California, and the 

 Rocky Mts. 



E. jucuiidiiHi Gray Proc. Am. Acad. xii, 57. Stems erect, 2-4 feet 

 high, diffusely paniculately branched: leaves linear-lanceolate, acute or 

 acuminate, sparingly denticulate: 1-2 inches long, narrowed below to a 

 distinct petiole: flowers somewhat fasciculate at the end of the branches; 

 tube of the calyx linear, dilated at the top, 6 lines long; petals obcordate 

 6 lines long or more; capsule somewhat clavate. Dry prairies, eastern 

 Washington to northern California. 



E. Hammondi. Stems slender and flexuous,l-3 feet high, paniculately 

 branched above, glabrate and whitish below : leaves linear, i-2 inches long : 

 flowers larger, borne towards the ends of the branches, erect: calyx tube 

 6-8 lines long, almost filiform below ; petals obcordate, 6 lines long or more, 

 bright purple : capsule lanceolate to somewhat clavate about an inch long, 

 ascending. On dry rocky slopes, Southwestern Oregon, blooming in 

 August and September. 



E. mill ul inn Lindl. Hook. Fl. I. 207. Stems slender, a span or two 

 high, simple or mostly with ascending branches throughout, crisp-pubes- 

 cent below: leaves 6-10 lines long, usually alternate, narrowly to broadly 

 lanceolate or the lowest spatulate, acutish, undulate, cuneately narrowed to 

 a slender winged petiole; flowers rather numerous, erect; calyx tube 

 broadly funnel-form, short; petals 1-2 lines long; capsules about one inch 

 long, narrowed to the base, on short pedicles; seeds less than a line long, 

 reticulated or low papillate. Brit Columbia to California. 



* * * Stigma clavate, entire or slightly* notched: coma of seeds 

 mostly persistent. Plants of various habit; perennial by rhizomes, 

 stolons, turions, etc. (Exceptions are E. exaltatum and E. Oreganum, 

 both of which have conspicuously 4-lobed stigmas.) 



-*- Spreading by filiform remotely scaly subterranean shoots which 

 end in ovoid winter bulblets with fleshy scales: capsule many-seeded: 

 seeds more or less papillate mostly fusiform with conspicuous trans- 

 lucent beak at insertion of coma. 



E. palustre L Sp. 348, Quite canescent above, with incurved hairs; 

 loaves 1-2 inches long, narrowly oblong or rarely lanceolate, obtuse or 

 almost truncate, gradually narrowed to a sessile base : fruiting peduncle 

 often long and slender; flowers few, mostly nodding at first; seed fusiform 

 with prominent scarcely narrovved translucent pointt Swamps and wet 

 places, Alaska to Oregon and the N. E. states. 



i- -- Producing at base of stem in late summer and autumn ro- 

 settes of foliage; leaves not revolute, more or less toothed: seeds 

 papillate. 



+ Habit of E. palustre : stems terete or with occasional low decur- 

 rent lines : seeds fusiform, prominently beaked. 



E. Davuricum Fischer. A span or two high, mostly simple, the very 

 slender stems sparingly incurved-pubescent, otherwise glabrous ; roots 

 densely fascicled : leaves less than 8 lines long, somewhat crowded at base, 

 alternate and remote above, linear or oblong, obtuse, remotely denticu- 

 late, sessile, 1-nerved: flowers pale, not very numerous, nodding: capsule 

 erect, 20 lines long, on long slender peduncles ; seeds less than a line long ; 

 coma white. Bogs Alaska to Washington and east to the Selkirk range. 



+* -M- Coarser branched plants of the habit of E. coloratum: stems 

 with rather prominent ridges decurrent from some of the leaves: 



