998 BORRAGINACEAE 
b. Pedicels shorter than the calyxes. . 
Fruiting racemes with many approximate erect or ascending pedicels: calyx 
less than 5 mm. long at maturity: seeds 1.5 mm. long. 4. M. Virginica. 
Fruiting racemes with few more or less recurving pedicels: calyx over 5 
mm. long at maturity : seeds 2 mm. long. 5. M. macrosperma. 
1. Myosotis palustris (L.) Lam. Stems pubescent with appressed hairs, soon de- 
cumbent and creeping, 2-6 dm. long, branching : leaf-blades spatulate to oblong or oblong- 
lanceolate, obtuse or acutish, entire, the lower often short-petioled, the upper sessile : 
racemes elongating, much interrupted: pedicels 4-7 mm. long, spreading: calyx-lobes 
triangular, shorter than the tube : corolla sky-blue and with a yellow eye, 6-8 mm. broad : 
nutlets shining, about 1.5 mm. long. 
In low grounds or brooks, Nova Scotia to New York and Georgia. Spring and summer. Natural- 
ized from Europe. ; 
2. Myosotis laxa Lehm. Stems strigillose, soon decumbent, creeping, 1-5 dm. 
long, branched : leaf-blades spatulate, oblong or oblong-lanceolate, 1-8 cm. long, obtuse, 
entire, the lower ones short-petioled, the upper sessile: racemes elongating, interrupted : 
pedicels spreading, 5-10 mm. long: calyx-lobes triangular or triangular-lanceolate, as long 
as the tube or longer, acute : corolla mainly pale-blue ; limb concave, 4-6 mm. broad : nut- 
lets about 1 mm. long, lenticular. 
In low grounds and swamps. Nova Scotia and Ontario to Georgia and Tennessee. Spring and 
summer. Also in Europe. 
3. Myosotis arvénsis (L.) Willd. Stems hirsute, erect, 1-3 dm. tall, loosely 
branched above : leaf-blades spatulate to oblong or oblong-lanceolate, 1-5 cm. long, obtuse 
or acutish, entire, sessile or nearly so: racemes loosely flowered, elongating : pedicels 2-5 
mm. long, spreading: calyx bristly ; lobes equal or nearly so, lanceolate or linear-lanceo- 
late, 2-3 mm. long: corolla white or mostly blue; limb 2-3 mm. broad, concave: fruit 
enclosed in the calyx: nutlets oblong, 1.5 mm. long. 
In waste places, New Brunswick to Ontario, Minnesota, North Carolina and West Virginia. Sum- 
mer. Alsoin Europe. 
4. Myosotis Virgínica (L.) B.S.P. Stems hirsute, erect, 1-4 dm. tall, the branches 
strongly ascending or erect : leaf-blades spatulate to oblong or oblong-lanceolate, 1-3 cm. 
long, obtuse or acutish, entire, sessile : racemes elongating, loosely flowered : pedicels 1-3 
mm. long, erect or ascending: calyx beset with spreading hairs, those near the base 
hooked ; lobes unequal, lanceolate, often narrowly so, 2-3 mm. long, acute : corolla white ; 
limb 2.5-3 mm. broad : fruit enclosed in the calyx : nutlets elliptic, a little more than 1.5 
mm. long. [Myosotis verna Nutt. ] 
In dry soil and on open hillsides, Maine to Ontario, Minnesota, Florida and Texas. Spring. 
5. Myosotis macrospérma Engelm. Stems hirsute, erect, 2-5 dm. tall, loosely 
branched : leaf-blades spatulate to oblong or oblong-lanceolate, mucronate, entire, sessile : 
racemes much interrupted, elongating : pedicels ascending or spreading, 3-5 mm. long: 
calyx beset in hooked hairs ; lobes very unequal, lanceolate to linear-lanceolate, the lower 
4-5 mm. long, twice as long as the upper: corolla white, 4-5 mm. broad : fruit enclosed 
in the calyx : nutlets oblong-obovoid, over 2 mm. long. 
On hillsides, Maryland to Arkansas, Florida and Texas. Spring. 
6. LITHOSPÉRMUM L. 
Annual or perennial caulescent herbs, often with large or long colored roots. Leaves 
alternate: blades entire. Flowers in bracted spikes or racemes. Calyx pubescent: lobes 
5, narrow. Corolla white, yellow or blue, salverform or funnelform, the tube with a naked 
J 
pubescent or appendaged throat : lobes 5, entire, erose or toothed. Stamens 5, included. 
Ovary of 4 nearly distinct carpels. Stigmas capitate or 2-lobed. Nutlets 4 or fewer, white 
and shiny or brown and wrinkled, attached by their bases to the almost flat receptacle. 
GROMWELL. Puccoon. 
Annual plants : corolla white or whitish, slightly surpassing the calyx. 
Pubescent with appressed hairs: bracts of a linear type: corolla about 6 mm. feng. + ae 
Hirsute or hispid: bracts of an oblong type: corolla about 4 mm. long. 2. L. Matamorense- 
Perennial plants: corolla yellow or sometimes greenish white. à 
Cauline leaves with broadly linear or oblong-linear blades: nutlets papillose, rabie 
spurred near the base. ; 3. L. miraove. 
Cauline leaves with broader blades, mainly elliptic or oblong : nutlets sparingly 
and shallowly pitted. ae 
Corolla-tube shorter than the calyx or but slightly surpassing it. 
Pubescence of stem strictly appressed. 
Pubescence of stem more or less spreading. 
Corolla-tube, of the complete flowers, much longer than the calyx, the 
limb deep yellow or orange. 
4. L. latifolivm. 
5. L. tuberosum. 
