LVII. Polemoniaceae. Polemonium Family

Herbs; leaves alternate or opposite, regular; flowers with persistent calyx, corolla lobes convolute in the bud, a three-celled ovary, three-lobed style; fruit seeds amphitropous, the coat frequently mucilaginous when moistened and emitting spiral threads.

I. Phlox. L.

I. P. Douglasii. Hook. Alpine Phlox. II. Gilia. Rinz and Pav.

I. G. aggregata. Spreng. Scarlet Gilia. III. Polemonium. (Tourn.) L.

I. P. confertum. Gray. Blue Greek Valerian. 2. P. humile. Willd. Purple Greek Valerian.

LVIII. Hydrophyllaceae. Waterleaf Family

Herbs commonly rough-hairy, with colourless insipid juice; leaves mostly alternate, sometimes opposite or basal, round-reni-form or cordate; flowers regular in spikes, false racemes or scorpi-oid cymes, curled when in bud and uncoiling as they flower; fruit a two-valved many-seeded capsule, the seeds mostly reticulated or pitted.

I. Phacelia. Juss.

I. P. sericea. (Graham.) Gray. Mountain Phacelia. 2. P. heterophylla. Pursh. Blue Phacelia. II. Romanzoffia. Cham.

I.. R. sitchensis. Bong. Mist Maidens.

LIX. Boraginaceae. Borage Family

Chiefly mucilaginous herbs with hairy stems; leaves alternate, rarely opposite, entire, without stipules; flowers perfect, symmetrical, mostly on one side of the branches in a reduced cyme, occasionally leafy-bracted, imitating a raceme, rolled up from the tip and straightening out as it flowers; fruit four nutlets, sometimes armed with barbed prickles, or a drupe.

Tribe Boragineae

I. Lappula. (Rivinius.) Moench.

I. L. floribunda. (Lehm.) Greene. False Forget-me-not.

2. L. diffusa. (Lehm.) Greene. Rock Stickseed.

3. L. echinata. Gilibert. Burseed. (Introduced.) II. Myosotis. (Rupp.) L.

1. M. alpestris. Schmidt. Mountain Forget-me-not.

III. Mertensia. Roth.

1. M. paniculata. (Ait.) G. Don. Tall Lungwort.

2. M. oblongifolia. Don. Blue Lungwort.

IV. Lithospermum. (Tourn.) L.

1. L. angustifolium. Michx. Narrow-leaved Puccoon.

2. L. ruderale. Dougl. Lehm. Hairy Puccoon.

LX. Labiatae. Mint Family

Chiefly herbs with square stems; leaves simple, opposite, aromatic, mostly dotted with small glands containing a volatile oil; flowers irregular, perfect, axillary, chiefly in cymose clusters, these often aggregated in terminal spikes or racemes; fruit four small smooth seed-like nutlets or achenes, each containing a single erect seed.

Tribe Stachyeae

I. Dracocephalum. (Tourn.) L.

1. D. parviflorum. Nutt. Dragon Head. II. Prunella. L.

1. P. vulgaris. L. Heart-of-the-earth. III. Stachys. (Tourn.) L.

1. S. palustris. L. Woundwort.

IV. Monarda. L

I. M. fistulosa. L. Wild Bergamot. V. Mentha. (Tourn.) L.

1. M. canadensis. L. Canada Mint.

2. M. canadensis var. lanata. Piper. Hairy Mint.

LXI. Scrophulariaceae. Figwort Family

Herbs, shrubs or rarely trees, bitterish, occasionally narcotic-poisonous; leaves alternate or opposite, without stipules, very various; flowers perfect, mostly complete, irregular, corolla two-lipped, inflorescence very various; fruit a two-celled and usually many-seeded calsule.

Subfamily Antirrhinoideae Tribe Cheloneae

I. Collinsia. Nutt.

I. C. tenella. Pursh. Blue-eyed Mary. II. Penstemon. (Mitchell.) Ait.

1. P. fruticosus. (Pursh.) Greene. Large Purple Beard-tongue.

2. P. Menziesii. Hook. Small-leaved Beard-tongue.

3. P. procerus. Dougl. Blue Beard-tongue.

4. P. humilis. Nutt. Slender Beard-tongue.

5. P. confertus. Dougl. Yellow Beard-tongue.

Tribe Gratioleae:

III. Mlmulus. L.

1. M. Lewisii. Pursh. Red Monkey Flower.

2. M. Langsdorfii. Donn. Yellow Monkey Flower.

3. M. moschatus. Dougl. Musk Flower.

4. M. alpinus. Gray. Alpine Monkey Flower.

Subfamily Rhinanthoideae

Tribe Digitaleae

IV. Veronica. (Tourn.) L.

1. V. alpina L. var. unalaschensis. C. and S. Alpine Speedwell.

2. V. humifusa. Dickson. Thyme-leaved Speedwell.

3. V. americana. Schwein. Water Speedwell.

Tribe Euphrasieae

V. Castilleja. Mutis.

1. C. miniata. Dougl. Red Indian Paint Brush.

2. C. pallida. Kunth. White Indian Paint Brush.

3. C. purpurascens. Greenman. Purple Indian Paint Brush.

4. C. lancifolia. Rydb. Lance-leaved Indian Paint Brush.

5. C. angustifolia var. Bradburii. (Nutt.) Fernald.

Bradbury's Painted Cup.

6. C. rupicola. Piper. Bright Painted Cup.

7. C. oreopala. Greenman. Magenta Painted Cup. VI. Orthocarpus. Nutt.

1. O. luteus. Nutt. Pelican Flower. VII. Pedicularis. (Tourn.) L.

1. P. racemosa. Dougl. White Lousewort.

2. P. contorta. Benth. Contorted Lousewort.

3. P. bracteosa. Benth. Western Wood Betony.

4. P. groenlandica. Elephant's Head. VIII. Rhinanthus. L.

1. R. Crista-galli. L. Yellow Rattle.

LXII. Lentibulariaceae. Bladderwort Family

Small wet-loving herbs, terrestial; leaves basal, entire, tufted, the upper surface covered with a viscid secretion when floating, opposite or verticillate; flowers solitary or racemose on scapes or scapelike peduncles, corolla deeply bilabiate, the upper lip usually erect, concave, spreading or reflexed, three-lobed, with a prominent palate, spurred at the base in front, the palate usually bearded; fruit a capsule, often irregularly bursting or dehiscent by valves.

I. Utricularia. L.

1. U. vulgaris. L. var. americana. Gray. Greater Bladderwort.

2. U. intermedia. Hayne. Yellow Bladderwort. II. Pinguicula. (Tourn.) L.

1. P. vulgaris. L. Butterwort.

LXIII. Orobanchaceae. Broom-Rabe Family

Herbs (root parasites) destitute of green foliage; flowers solitary or spiked, corolla tubular, more or less two-lipped, the lower three-lobed; fruit a capsule one-celled, two-valved, seeds numerous, minute.

I. Orobanche. (Tourn.) L.

1. O. uniflora. L. One-flowered Cancer-root.

2. O. fasciculata. Nutt. Naked Cancer-root. II. Boschniakia. Gray.

1. B. strobilacea. Gray. Boschniakia.