115. BORAGINACEAE 211 



5. Amsinckia Lehm. 



A. spectabilis Fisch. & Mey. Waste ground, occasionally adv. from 

 western U.S.; Rantoul, Champaign Co., W. N. Clute in 1908; Syca- 

 more, De Kalb Co., G. N. Jones in 1945. June-July. 



6. Mertensia Roth — Bluebells 



M. virginica (L.) Pers. Woods, common througiioul 111. Apr.- 

 May. 



7. AUocarya Greene 



A. figurata Piper. Moist ground, St. Clair Co.. /. Ncill in 1947. 

 Rarely adv. from northwestern U.S. 



8. Myosotis L. — Forget-me-not 



1. Corolla 5-10 mm in diameter, bright blue, with a yellow eye. 



2. Calyx strigose, the triangular lobes shorter than the tube; peren- 

 nials with decumbent stems; wet ground, particularly along 

 streams; cult, and occasionally established; nat. from Eur. 

 May-Oct. True Forget-me-not M. scorpioides L. 



2. Calyx with vmcinate or glandular pubescence, at least toward 



the base, the lanceolate lobes longer than the tube; erect an- 

 nual or biennial; waste ground, occasionally persisting near 

 gardens; native of Europe; Jackson Co., /. Biggs in 1958. 



Garden Forget-me-not M. sylvatica Hoft'm. 



1. Corolla white, 1-2 mm in diameter; plants native, annual or 

 biennial. 



3. Fruiting calyx 4-5 mm long, bearing few hooked hairs; nutlets 



1-1.3 mm broad; stem 5-30 cm tall; sandy soil in open woods 



and fields, common. May-July. [M. verna Nutt.J 



M. virginica (L.) BSP. 



3. Fruiting calyx 5-7 mm long, with many hooked hairs; nutlets 

 2-2.5 mm broad; stem 30-50 cm tall; rich soil in woods, not 

 common, s. 111. May-June M. macrosperma Engelm. 



9. Lithospermum L. — Gromwell. Puccoon 



1. Perennials; corolla yellow; nutlets white, smooth, glossy. 

 2. Corolla greenish-yellow, 4-5 mm long. 



3. Leaves lanceolate, acute, 6-12 mm broad; nutlets ovoid, 

 3 mm long; corolla longer than the calyx; waste ground, 

 occasional; nat. from Eur. May-Aug L. officinale L. 



3. Leaves elliptic-lanceolate to ovate, acuminate, 1-4.5 cm 



broad; nutlets globose-ovoid, 4 mm long; corolla shorter 



than the calyx; dry .soil. May- June 



L. latifolium Michx. 



2. Corolla bright yellow or orange, 1-3 cm long. 



4. Corolla-lobes erose-denticulate, the tube 1.5-3 cm long; later 



flowers cleistogamous, smaller; leaves linear; sandy soil, 



