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Boraginaceae. Borage Family. 
_ Herbs with simple, mostly alternate leaves without stipules. Flowers 
perfect, regular, borne either in one-sided coiled cymes which elongate 
during the period of flowering or in cymose panicles. Calyx usually 5© =]! 
lobed or toothed, persistent. Corolla tubular, S-lobed, the lobes erect, 
spreading or rotate, the throat often bearing a crown of 5 small scales 
or protuberances. Stamens 5, inserted on the corolla tube, usually included. 
Ovary superior, deeply 4-lobed, splitting in fruit into 4 l-seeded nutlets; 
style l. 
OQ Nutlets armed with stout prickles barbed at the apex /. Lappula 
O Nutlets wrinkled or papillose or smooth 
2, Flowers yellow 
4 Flowers solitary or clustered in the axils of 
& the upper leaves, exceeded by the leaves; 
@ mutlets smooth 2, Lithospermun 
4 Flowers in elongated more or less naked one- 
8 sided coiled cymes; mutlets rough 3 Amsinkia 
RQ Flowers white or blue 
Calyx lobes subequal to or shorter than the 
8 calyx-tube 4. Myosotis 
4 Calyx-lobes nearly distinct, the tube little 
or none 
6 Flowers blue (rarely white), the limb erect; 
lo stamens inserted in the throat, included 
/Q within the limb 5. Mertensia 
& Flowers white, the limb Spreading; stamens 
jo inserted within the tube and included 
ip by it 
8 Nutlets smooth and shining or at most 
(Zz papillose 6 Cryptantha 
& Nutlets wrinkled, dull 7] Plagiobothrys 
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