558 ORDER 90. BORR AGIN ACE JE. 



L. Martimcensis Br. Erect, pubescent ; Ivs. petiolate, ovate, crenate, rugous, 

 the floral lanceolate ; verticils distant, large, globular, many -flowered ; cal. in- 

 curved, oblique, upper tooth longest. CD Herbs 1 to 2f high, with small white 

 flowers. Escaped from gardens, Ga. W. Ind. 



42. LEONOTIS, Br. LION'S-EARS. (Gr. Afc'wv, a lion, wra, ears; 

 a fanciful name alluding to the corollas.) Calyx 10-veined, apex in- 

 curved, throat oblique, sub-10-toothed, upper tooth largest ; corolla 

 tube exserted, limb bilabiate, upper lip concave, erect, entire, lower 

 short, spreading, trifid ; stamens 4, ascending under the galea ; anthers 

 in pairs. Verticils dense, with numerous, linear-subulate bracts. Fls. 

 scarlet-yellow. 



L. nepetaefolia Br. Herb stout, erect; Ivs. thin, ovate, cronate; cal. teeth 8, 

 the upper much the largest, all spinescent ; cor. scarlet, about twice longer than 

 the calyx. CD Waste and cultivated grounds, S. Car, and Ga., common. Plant 

 large and very showy, 4 to If high. St. deeply 2-grooved on the 4 sides, angles 

 rounded. Lvs. comparatively small, 18" to 30" by 12 to 20", on long petioles. 

 Clusters terminal and subterminal, near 2' diam., beset with the calyx spines and 

 the brilliant, downy corollas 10" in, length. Africa. 



ORDER XC. BORRAGINACEJS. BORRAGEWORTS. 



Herbs (shrubs or trees), with round stems and branches, not aromatic. Leaves 

 alternate, generally rough, with stiff hairs. Stipules none. Flowers seldom yel- 

 low, generally in a coiled (scorpoid) inflorescence. Sepals 5. Petals 5, united be r 

 low, regular, very rarely irregular. Stamens 5, inserted in the tube. Ovary deeply 

 4-lobed, forming in fruit 4 separate, 1 -seeded achenia in the bottom of the persis- 

 tent calyx. Style 1, gynobasic, seed separable from the pericarp, exalbuminous. 



Illust. in figs. 220, 372. 



Genera 54, species 6S3, mostly natives of temperate climates in the Northern hemisphere. 



Properties. Mucilaginous and emollient plants, never poisonous. The important red dye, 

 ftlfcanet, is the product of Anchusa tinctoria, &c. Many are esteemed for their beauty in cul- 

 tivation. 



TRIBES AKD GENERA. 



I. EII11ETIEJ3. Ovary entire, 4-celled. Sty. terminal. Fr. baccate. Shrubs.TouRNEFORTiA. 1 



II. HELIOTROPES. Ovary entire. Style terminal. Fruit dry separating into parts, (a) 



a Corolla tube cylindrical, throat open. Fruit separating into 4 parts ..... HKLIOTROPIUM. 2 

 a Corolla tube conical, throat constricted. Fruit separating into 2 parts. . .UEI.IOPIIYTUM. 3 



III. BOERAGE^E. Ovary deeply 4-lobed. Style basilar. Fruit 4, achenia. (b) 



b Corolla irregularly 5-lobed, throat open, naked. Blue ........................ ECIIIUM. 4 



b Corolla regularly 5-lobed. (c) 



C Achenia unarmed, fixed by their excavated base, throat closed, (d) 



d Corolla wheel-form. Anthers exserted. Blue ..................... BORRAGO. 5 



d Corolla tubular-bell-form. Style exserted. White ............... SYMPIIYTUM. 6 



d Corolla salver-form, with the slender tube bent. Blue ............... LYCOPSIS. 1 



C Achenia unarmed, fixed by their small, flat base. Throat open or closed, (e) 



6 Corolla tubular, with the lobes erect and acute. White . . ........ ONOSMODIFM. 8 



6 Corolla lobes rounded, imbricated in bud. White or yellow ---- LITIIOSPERMUM. 9 



o Corolla lobes rounded, imbricate in bud. Purple, blue, large ...... MERTENSIA. 10 



o Corolla lobes rounded, convolute in bud. Blue or white, small ..... MYOSOTIS. 11 



C Achenia armed with barbed prickles. Corolla salver-form ........ ECHINOSPERMUM. 12 



Corolla funnel-form .......... CYNOGLOSSUM. 13 



1. TOURNEFOR'TIA, L. SUMMER HELIOTROPE. (Dedicated to 

 Joseph Pitton de Tournefort, the founder of Systematic Botany.) 

 Calyx 5-parted, corolla salver-form, throat naked ; stamens 5, included ; 

 style short ; fruit 2-carpeled, 4-celled and 4-seeded. Shrubs, with en- 

 tire Ivs. and secund spikes. 



