514 BORAGINACEAE 
7, LITHOSPERMUM, L. 
Hairy herbs, the hairs soft or rigid. Stems from a thick reddish root. 
Flowers white, yellow or blue, in leafy spikes or terminal spreading 
clusters. Calyx 5-parted; corolla funnel- or salver-form, border 5-lobed. 
Stamens 5, included in the corolla; head of pistil bifid; nutlets 4, horny, 
rough or smooth. 
Flowers white. 
Nutlets\ brown. . 56) a's, coy ea Step ocean en tet” Jom (on cel) cou ieee Erm 
Nutlets white, 
Leaves lance-shaped <i cen G. ele) 6. ta oe 
Leaves egg-shaped, the flowers yellowish-white . . . L. Jatifolium 
Flowers yellow. 
Corolla tube bearded within . . . . . . « »« « « &. Gmelin 
Corolla tube not bearded . . . P . « . LL. canescens 
l. L. arvense, L. (Fig. 5, pl. 128.) Corn GromMweELi. Stem erect, 
‘usually branched, 12 to 15 in, high. Whole plant hairy, the stems rough 
hairy, leaves downy. Leaves alternate, narrow lance-shaped, 1 to 2 in. 
long, obtuse at apex, without leaf-stems. Flowers small, white in the 
axils of the upper leaves. Nutlets brown, hard, shining. A weed, in waste 
places, May-Aug. 
2. L. officinale, L. (Fig. 8, pl. 128.) OrrictinaLteE GRoMWELL. Stem 
very branching, 1 to 2 ft. high; leaves lance-shaped, sharp pointed at 
apex. Flowers small, white in leaf-axils. Whole plant hairy, rough; 
leaves gray-green. Nutlets white. Waste places, in most of our range. 
June-July. 
3. L. latifolium, Michx. (Fig. 6, pl. 128.) Broap-LEAVED GRoM- 
WELL. Stems erect not much branched. Leaves round egg-shaped, taper- 
ing at each end. Flowers at leaf-axils, yellowish-white or white. Corolla 
crested at throat of tube. Nutlets shining white dotted with small points. 
Dry woods and thickets, New York and northward and westward. May- 
June, 
4. L. Gmelini, (Michx.) Hitchcock. Harry GRoMWELL. Stems erect, 
usually clustered, 1 to 2 ft. high, hairy. Leaves lance-shaped sharp 
pointed at apex, no leaf-stem. Flowers nearly an inch long in terminal 
spreading clusters; corolla yellow; calyx segments about 34 as long as 
corolla tube. Dry woods, New York and westward, April-June. 
5. L. canescens, (Michx.) Lehm. (Fig. 7, pl. 128.) Hoary Puc- 
coon. Stems in clusters 6 to 18 in. high, hairy with soft hairs. Leaves 
lance-shaped rather sharp at apex, without leaf-stem. Flowers handsome, 
yellow, crowded near the top of the stem. Corolla not bearded at throat; 
nutlets white, shining. Dry places, throughout most of our range. April- 
June. 
8. ONOSMODIUM, Michx. 
Coarse hairy herbs, with alternate, strongly veined leaves, without 
leaf-stems. Flowers in one-sided, more or less coiled spikes or loose one- 
sided clusters. Calyx 5-parted, the divisions linear; corolla tubular, or 
funnel-form, without crest at throat. Stamens 5, inserted in the tube 
or at the throat of the corolla, not extending beyond the corolla. Nut- 
lets bony, white, smooth, 4, of which generally only one is perfected. 
1. O. hispidissimum, Mackenzie. (Fig. 9, pl. 128.) Smacay FALSE 
GROMWELL. (0. carolinianum, DC.) Plant, 1 to 3 ft. high, the whole 
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