250 OKI iR 92. BORRAGINACE^E. 



ORDER XCII. BORRAGINACE^E. BORRAGEWORTS. 



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

 Leaves alternate, generally rough, with stiff hairs. Stipules none. Flowen 

 seldom yellow, generally in a coiled (scorpoid) inflorescence. Sepals 5. 

 Petals 5, united below, regular, very rarely irregular. Stamens 5, inserted 

 in the tube. Ovary 4-lobed, or entire, forming in fruit 4 separate, 1-seedcd 

 achenia in the bottom of the persistent calyx. Figs. 141, 455. 



I. EHRETIEjE. Ovary entire, style terminal. Fruit 4-seeded, fleshy. Shrubs... (a) 



a Calyx 4-5-toothed, in heads. Corolla funnel-form, white. Fla. and t CORDIA bullata. 



a Calyx 4-5-toothed, in corymbs. Corolla funnel-form, white. Fla. EHRETIA Beurrerbi, 



a Calyx 5-parted, in secund spikes. Corolla salver-form, pale , . . .TOURKEFORTIA. 1 



II. HELIOTROPES. Ov. entire, style terminal. Fr. dry, separating into parts... (fr) 



6 Corolla tube cylindrical, throat open. Fruit separating into 4 parts HELIOTROPIUM. 2 



b Corolla tube conical, throat constricted. Fruit separating into 2 parts HELIOPHYTOM. 3 



IIL BORRAGEJB. Ovary deeply 4-lobed, style basilar. Fruit 4 achenia... (c) 



Corolla irregular, blue, d having the border obliquely lobed ECHICM. 4 



d having the slender tube bent LTCOPSIS. 5 



f. Corolla regular in both tube and border. . .(e) 



Achenia armed with barbed prickles./ Corolla salver-form ECHINOSPERMUM. 6 



/ Corolla funnel-form C YNOGLOSStfM. 7 



Achenia unarmed. Corolla throat closed by scales. . .(.<;) 



g Corolla wheel-form, no tube. Anthers exserted BoRRAGO. 8 



g Corolla wheel-form, a very short tube. Anthers included OMPHALODES. 9 



g Corolla tubular-bell-form, white. Style exserted SYMPHTTUM. 10 



g Corolla funnel-form, blue. Stamens included ANCHUSA. 11 



Achenia unarmed. Corolla throat not closed with scales... (A) 



h Corolla tubular, with erect, acute lobes, white ONOSMODIUM. 12 



7i Corolla lobes rounded, convolute in the bad MYOSOTIS. 13 



h Corolla lobes rounded, imbricate in bud, k white or yellow LITHOSPERMUM. 14 



k purple-blue MERTKNSIA. 15 



A. TOURNEFORTIA, L. SUMMER HELIOTROPE. Cal. 5-parted. Cor. 

 salver-form, throat naked. Sta. 5, included. Sty. short. Fr. 2-carpelled, 

 4-celled and 4-seeded. ^ *> "With entire leaves and secund spikes. 



1 T. HELIOTROPOIDES Hook. Shrubby at base, erect, hairy, with oval obtuse wavy-edged 

 leaves ; ped. terminal, 2 or 3 times forked, with numerous small inodorous, pale-lilac, 

 pretty flowers. Buencs Ayres. 



fc T. gnaplialoides &1 white-silky, and T. volubilis, climbing; in S. Fla. 



2, HELIOTROPIUM, Tournef. HELIOTROPE. Calyx 5-parted. Cor. 

 salver-form, throat open, folded between the lobes. Anth. sessile. Sty. short, 

 stigma conical, the achenia cohering at base, at length separable. U fr Fls. 

 white or purple, in 1-sided, scorpoid spikes. Summer. 



Flowers white, in forked terminal spikes, or single lateral ones Nos. 1, 2 



Flowers white-purple, in a cluster of terminal spikes. Cultivated Nos. 3, 4 



1 H. Europaeum L. Erect, pubescent; Ivs. oval, veiny, obtuse, petiolate ; calyx 



spreading in fruit, hairy. (3) Rocky banks, moist fields, Va., and N. : rare. S 12'. 



2 H. Cnrassavicum L. Glabrous, ascending; leaves linear-oblong to spa-.Uiate, 



obtuse, tapering to base, veinless and glaucous. (T) Shores, W. and S. If. 



3 H. PERUVIANTJM. Shrubby, erect, pubescent ; leaves rugous, lance-ovate, short-petio 



late ; corolla twice longer than the calyx, peculiarly fragrant. Peru. 



4 H. COKTMBOSUM. Pubescent, with lance-oblong leaves tapering both ways ; floweni 



deep purple, less fragrant, but larger than in No. 3. 



