MYOSOTIS.] BORRAGINE^!. 253 



sometimes f in., lower often axillary or bracteate, much decurved in fruit. 

 Xi'tlets short, bordered, not keeled in front. Flowers sky-blue, disk yellow. 

 DISTRIB. uncertain. 



SECTION 2. Hairs of stem spreading. Calyx with spreading and hooked 

 hairs. * p ea { ce l s usually much longer than tlie calyx. 



4. M. sylvat'ica, Ho/in.; stolons 0, lower leaves petioled, calyx cam- 

 panulate cleft f of the way, with few straight and many incurved or hooked 

 hairs, closed in fruit, corolla J in. diam. flat. 



Dry woods, &c. from Aberdeen southwards ; ascends to 1,200 ft. in Yorkshire ; 

 absent from Ireland; fl. May-Sept. -Biennial or perennial. Rootstock 

 or short. Stem -2 ft., branched from the base, erect or the lateral 

 branches ascending. ~ Leaves 1-2J in., acute or apiculate, hairs spreading. 

 Ct/nies very lax in fruit ; pedicels about twice as long as the calyx ; corolla 

 bright blue, tube very short. Nutlets dark-brown, bordered, keeled at the 

 tip in front. -DiSTRiB. Europe (Arctic), Canaries, Siberia, Dahuria, W. Asia. 



5. M. alpes'tris, Schmidt; perennial, lower leaves petioled, calyx 

 campanulate cleft f of the way with many straight and few incurved or 

 hooked hairs, open in fruit, corolla I in. diam. flat. M. rupicola, Sm. 

 Moist alpine rocks, Ben Lawers, alt. nearly 4,000 ft., and Mickle-fell, Teesdale, 



alt. 2,400 ft. ; fl. July-Aug. Hairs long, soft, spreading. Rootstock short, 

 stout, branched at the base. Stem 5-10 in., leafy. Leaves 1-2 in., cauline 

 linear-oblong, acute or obtuse. Cymes short, not lengthening much ; pedicels 

 short, stout, the fruiting ascending. Calyx large, lobes narrow. Corolla deep 

 bright blue. Style half as long as the calyx. Nutlets jet-black, largest of 

 this section, ovoid-oblong, obtuse, bordered, keeled at the tip in front. 

 DISTUIB. Arctic and Alpine Europe, N. Asia, and N. America. 



6. M. arven'sis, Hoffm.', annual, lower leaves petioled, calyx shortly 



pressed and many spreading 



campanulate cleft \ way or lower with few appr 



hooked hairs, closed in fruit, corolla \ in. diam. usually concave. 



Fields and waste places ; ascends to 1,200 ft. in Yorkshire ; fl. June-Aug. 

 Closely allied to M. sylvatica, but pedicels usually much longer, slender, and 

 flowers very small and paler blue. Outlets brown, bordered, keeled in front. 

 DISTHIB. Europe (Arctic), N. Africa, Siberia, W. Asia to N.W. India ; 

 possibly a native of the N. U. States. 



VAR. 1, arven'sis proper ; annual, corolla-limb concave. VAR. 2, umbro'sa, 

 Bab.; biennial, corolla-limb flatter. Shaded places. 



** Pedicels usually shorter than the calyx. 

 7. M. coili'na, Hoffm. ; annual, lower leaves subsessile, calyx shortly 



campanulate cleft ^ way with many spreading hooked and few straight 



hairs, open in fruit, corolla in. diam. usually concave bright blue, tube 



short. 



Field banks and waste grounds, from Banff southwards ; ascends to 1,000 ft. 

 in the Highlands ; E. coast of Ireland, rare ; fl. May-July. Stems 3-12 in., 

 usually branched from the base. Leaves ^-1 in., linear-oblong, obtuse or 

 apiculate, strigose. Cymes very long and slender in fruit, often exceeding 

 the leafy part of the stem ; lowest flower sometimes bracteate. Style not 

 half as long as the calyx. Nutlets turgid, brown, scarcely bordered. 

 DISTRIB. Europe, N. Africa, W. Asia. 



