E^cJiiuni.'] 



LIX. BOEAGINACEiE. 



283 



* Throat of the corolla not dosed with scales or valves. 



1. EcHiuM. Cor. irregular. Filaments long, unequal. 



2. PuLMONARiA. Cor. regular, funnel-shaped. Cal. prismatic, 5-cleft. 

 3! LiTHOSPERMUM. Cor. regular, funnel- shaped. Cal. 5-partite. Sta- 



mens included, filaments very short. Achenes stony. 

 4. Mektensia. Cor. regular, funnel-shaped. Cal. 5-parted. Stamens 

 protruded beyond the tube, filaments elongated. Achenes sub- 

 drupaceous. 



** Throat of the cor. more or less closed with scales or valves. 



f Filaments bifid. 



branch of filaments bearing? an exserted anther. 



9. 



BoRAGO. Inner 

 Cor. rotate. 



If Filaments entire. Stamens included. 

 J Scales suhulatcy alternate i9ith the filaments. 



8. Symphytum. Cor. tubular-campanulate. 



JJ Scales or valves obtuse. 



7. Lycopsis. Tube of cor. slightly bent, limb oblique. 



6. Anchusa. Tube of cor. straight ; lobes straight (not convolute) 



in sestivation. *Cal. in fruit equally divided, terete. Nuts ovate, 



compressed, -wrinkled. Flowers in leafy racemes. 

 5. Myosotis. Tube of cor. straight ; lobes convolute in aestivation, 



Cal. in fruit equally divided, terete. Nuts ovate, compressed, 



smooth. Racemes leafless. 



10, AsPERUGO. Tube of cor. straight. Cal. in fruit compressed, un- 



equally 2-valved. Nuts ovate, compressed. Flowers axillary, 

 solitary. 

 10\ EcHiNOSPERMUM. Tiibc of cor. straight. Cal. equally divided, te- 

 rete. Nuts triquetrous, with muricated margins. 



11. Cynoglossum. Tube of cor. straight. Cal. equally divided, terete. 



Nuts depressed, roundish-ovate, muricated. 



* Throat of the corolla naked {without conspicuous scales or 



valves'). (Gren. 1—4.) 



1. E^CHiUM Linn. Viper's Bugloss. 



. Cor. irregular ; its throat dilated, open and naked. Filaments 



very long, unequal. Style bifid, Achenes wrinkled, with a flat 



base, seated on an hypogynous disk, free from the style. 



Named from tx'C, a viper; because this, or some allied plant, 



was supposed to be an effectual remedy against the bite of that 

 animal. 



1. E. vulgdre L. (common V.) ; stem herbaceous simple hispid 

 With tubercles, leaves linear-lanceolate hispid, flowers in lateral 

 sliort spikes, stamens longer than the corolla. E. B.t. 181. 

 E. Italicum E. B. t, 2081, (not L.) 



On old walls, banks, fields, and waste grounds, especially in a sandy 



) 



