Alpine summits in the Rockies not common; flowering in July. [Sidenote: =Campanula rotundifolia= L. _Harebell, Bluebell._] Smooth or nearly so, stems erect or spreading, often several from the same root, simple or branched, 6 inches to 2 feet high. Basal leaves nearly orbicular or broadly ovate, usually heart-shaped and slender petioled, ¼—1 inch wide, dentate or entire, often wanting at flowering time; stem leaves linear or linear-oblong acute, mostly entire and sessile or the lower narrowed into short petioles and somewhat spatulate. Flowers several or numerous in racemes, drooping or spreading, slender pedicelled; calyx lobes hair-like, spreading, longer than the tube, corolla bright blue, campanulate, ½—1 inch long. On moist rocks or stony places, on slides or gravelly stream banks, frequent throughout the region; flowering during most of the summer. [Sidenote: =Lobelia Kalmii strictiflora= Rydb. _Brook Lobelia._] Smooth throughout or slightly hairy below; stem simple or slightly branched, erect, leafy, 4—8 inches high. Leaves basal, small, ¼—½ an inch long, obovate, hairy; stem leaves linear. Flowers light blue or white, ⅓ or nearly ½ an inch long on erect pedicels slightly more than their own length; petals 5, the two upper erect, ⅛ of an inch long, very slender, the 3 lower broader, ¼ of an inch long and spreading, in loose racemes, lower bracts linear-lanceolate, the upper hair-like. On wet banks or wet gravelly or sandy ground at the lower altitudes throughout the Rockies, abundant locally; flowering in July. CICHORIACEÆ _Chicory Family_ Herbs almost always with milky juice, alternate or basal leaves and yellow or rarely pink, blue, purple, or white flowers in involucrate heads; bracts of the involucre in 1 to several series; flowers all alike and perfect; corolla with a short or long tube and a strap-shaped (ligulate) usually 5-toothed limb (ray). Heads solitary; leaves all basal. Achenes smooth at the apex. =Agoseris.= Achenes spinulose at the apex. =Taraxacum.= Heads several; leaves not all basal. Achenes flattened. Flowers yellow. =Sonchus.= Flowers blue. =Lactuca.= Achenes rounded. Pappus white. =Crepis.= Pappus tawny. =Hieracium.= [Sidenote: =Agoseris glauca= (Pursh.) Greene. _Large-flowered Agoseris._] Pale and smooth throughout or a little woolly below. Leaves linear-lanceolate or oblong, entire, dentate or pinnatifid, 2—10 inches long, acuminate. Scapes stout, smooth or slightly hairy, longer than the leaves, 6—18 inches high, head 1—2 inches broad, rays bright yellow, involucre oblong, campanulate, usually smooth. Open grounds and on grassy alpine slopes and in meadows; flowering during June and July.