Part 47 (2/2)

1. L. perennis, L. (WILD LUPINE.) Perennial, somewhat hairy; stem erect (1--2); leaflets 7--11, oblanceolate; flowers in a long raceme, showy, purplish-blue (rarely pale); pods broad, very hairy, 5--6-seeded.--Sandy soil, N. Eng. to Minn., Mo., and south to the Gulf.--Var. OCCIDENTaLIS, Watson, has stems and petioles more villous.--Mich. and Wisc.

2. L. pusillus, Pursh. Annual, low, villous; leaflets usually 5; racemes short, sessile; flowers purple or rose-color; pods oval, hirsute, 2-seeded.--Central Dak. and Kan., and westward.

9. TRIFLIUM, Tourn. CLOVER. TREFOIL.

Calyx persistent, 5-cleft, the teeth bristle-form. Corolla mostly withering or persistent; the claws of all the petals, or of all except the oblong or ovate standard, more or less united below with the stamen-tube; keel short and obtuse. Tenth stamen more or less separate.

Pods small and membranous, often included in the calyx, 1--6-seeded, indehiscent, or opening by one of the sutures.--Tufted or diffuse herbs.

Leaves mostly palmately, sometimes pinnately 3-foliolate; leaflets usually toothed. Stipules united with the petiole. Flowers in heads or spikes. (Name from _tres_, three, and _folium_, a leaf.)

[*] _Flowers sessile in dense heads; corolla purple or purplish, withering away after flowering, tubular below, the petals more or less coherent with each other._

[+] _Calyx-teeth silky-plumose, longer than the whitish corolla; root annual._

T. ARVeNSE, L. (RABBIT-FOOT or STONE CLOVER.) Silky, branching (5--10'

high); leaflets oblanceolate; heads becoming very soft-silky and grayish, oblong or cylindrical.--Old fields, etc. (Nat. from Eu.)

[+][+] _Calyx scarcely hairy except a bearded ring in the throat, shorter than the rose-purple elongated-tubular corolla. (Short-lived perennials; flowers sweet-scented.)_

T. PRATeNSE, L. (RED C.) Stems ascending, somewhat hairy; _leaflets oval or obovate, often notched_ at the end and marked on the upper side with a pale spot; _stipules broad, bristle-pointed; heads ovate, sessile_.--Fields and meadows; largely cultivated. (Adv. from Eu.)

T. MeDIUM, L. (ZIGZAG C.) Stems zigzag, smoothish; _leaflets oblong, entire_, and spotless; _heads mostly stalked_; flowers deeper purple, otherwise too like the last.--Dry hills, N. Scotia to E. Ma.s.s. (Adv.

from Eu.)

[*][*] _Flowers pedicelled in umbel-like round heads on a naked peduncle, their short pedicels reflexed when old; corolla white or rose-color, withering-persistent and turning brownish in fading; the tubular portion short._

1. T. reflexum, L. (BUFFALO C.) Annual or biennial; _stems ascending, downy; leaflets obovate-oblong_, finely toothed; stipules thin, ovate; standard rose-red, wings and keel whitish; calyx-teeth hairy; pods 3--5-seeded.--Western N. Y. and Ont. to Iowa, Kan., and southward.

2. T. stoloniferum, Muhl. (RUNNING BUFFALO-C.) Smooth, _perennial; stems with long runners_ from the base; _leaflets broadly obovate or obcordate_, minutely toothed; heads loose; flowers white, tinged with purple; pods 2-seeded.--Open woodlands and prairies, Ohio and Ky., west to Iowa and Kan.

3. T. repens, L. (WHITE C.) Smooth, perennial; the slender _stems spreading and creeping; leaflets inversely heart-shaped_ or merely notched, obscurely toothed; stipules scale-like, narrow; petioles and especially the peduncles very long; heads small and loose; _calyx much shorter than the white corolla_; pods about 4-seeded.--Fields and copses, everywhere. Indigenous only in the northern part of our range, if at all.

4. T. Carolinianum, Michx. Somewhat p.u.b.escent small perennial, _proc.u.mbent, in tufts_; leaflets wedge-obovate and slightly notched; stipules ovate, foliaceous; heads small on slender peduncles; _calyx-teeth_ lanceolate, nearly _equalling the purplish corolla; standard pointed_; pods 4-seeded.--Waste ground near Philadelphia, south to Va., Fla., and Tex.

T. HBRIDUM, L. (ALSIKE C.) Resembling T. repens, but the stems erect or ascending, not rooting at the nodes; flowers rose-tinted.--Becoming common. (Nat. from Eu.)

[*][*][*] _Flowers short-pedicelled in close heads, reflexed when old; corolla yellow, persistent, turning dry and chestnut-brown with age, the standard becoming hood-shaped; annuals, fl. in summer._

T. AGRaRIUM, L. (YELLOW or HOP-C.) Smoothish, somewhat upright (6--12'

high); _leaflets obovate-oblong, all three from the same point_ (palmate) and nearly sessile; _stipules narrow, cohering with the petiole for more than half its length_.--Sandy fields and roadsides; N.

Scotia to Va.; also in western N. Y. (Nat. from Eu.)

T. PROc.u.mBENS, L. (LOW HOP-C.) Stems spreading or ascending, p.u.b.escent (3--6' high); _leaflets wedge-obovate_, notched at the end, _the lateral at a small distance from the other_ (pinnately 3-foliolate); _stipules ovate, short_.--Sandy fields and roadsides, common.--Var. MNUS, Gray, has smaller heads, the standard not much striate with age. (Nat. from Eu.)

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