58 Oxycoccus oxycoccus (L.) MacM. _Small Cranberry_ 212 58 Gaultheria ovatifolia A. Gray. _Ovate-Leaved Wintergreen_ 212 58 Vitis-idæa Vitis-idæa (L.) Britton. _Mountain Cranberry_ 212 59 Cassiope Mertensiana (Bong.) Don. _White Heath_ 216 59 Phyllodoce empetriformis (Smith) Don. _Red False-Heather_ 216 59 Phyllodoce glanduliflora (Hook.) Rydb. _White False-Heather_ 216 60 Ledum grœnlandicum Œder. _Labrador Tea_ 218 60 Azaleastrum albiflorum (Hook.) Rydb. _White Mountain Rhododendron_ 218 61 Menziesia ferruginea Smith. _Smooth Menziesea_ 220 61 Kalmia microphylla (Hook.) Heller. _Dwarf Swamp-Laurel_ 220 62 Vaccinium erythrococcum Rydb. _Alpine Bilberry_ 222 62 Vaccinium globulare Rydb. _Thin-Leaved Bilberry_ 222 62 Vaccinium ovalifolium Smith. _Blueberry_ 222 63 Primula Maccalliana Wiegand. _Maccalla’s Primrose_ 228 63 Androsace carinata Torr. _Sweet Androsace_ 228 64 Trientalis arctica Fisch. _Arctic Star-Flower_ 230 64 Dodecatheon conjugens Greene. _Shooting-Star_ 230 65 Gentiana affinis Griseb. _Large Gentian_ 234 65 Romanzoffia sitchensis Bong. _Romanzoffia_ 234 66 Phacelia sericea (Graham) A. Gray. _Mountain Phacelia_ 238 66 Phacelia heterophylla Pursh _Phacelia heterophylla_ 238 67 Lappula floribunda (Lehm.) Greene. _False Forget-me-not_ 242 67 Lithospermum linearifolium Goldie. _Narrow-Leaved Puccoon_ 242 68 Collinsia parviflora Dougl. _Small-Flowered Collinsia_ 248 68 Elephantella grœnlandica (Retz.) Rydb. _Long-Beaked Elephantella_ 248 69 Pentstemon confertus Dougl. _Yellow Beard-Tongue_ 250 69 Pentstemon pseudohumilis Rydb. _Pentstemon pseudohumilis_ 250 70 Pentstemon fruticosus (Pursh) Greene. _Large Purple Beard-Tongue_ 262 70 Pinguicula vulgaris L. _Butterwort_ 262 71 Linnæa americana Forbes. _American Twin-Flower_ 266 71 Lonicera ebractulata Rydb. _Fly Honeysuckle_ 266 72 Lonicera involucrata (Rich.) Banks. _Involucred Fly Honeysuckle_ 270 73 Valeriana sitchensis Bong. _Wild Heliotrope_ 272 73 Lobelia Kalmii strictiflora Rydb. _Brook Lobelia_ 272 74 Hieracium umbellatum L. _Narrow-Leaved Hawk-weed_ 276 74 Agoseris aurantiaca (Hook.) Greene. _Agoseris aurantiaca_ 276