250 Oiu ,u 92. BORRAGINACEJE. 



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. Flowert 

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

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

 in the tube. Ocary 4-lobed, or entire, forming in fruit 4 separate, 1-seeded 

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



I. EHRETIEyE. 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 Beurreru* 



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



II HELIOTROPES. Ov. entire, style terminal. Fr. dry, separating into parts... (6) 



b Corolla tube cylindrical, throat open. Fruit separating into 4 parts HELIOTKOPIOM. 2 



6 Corolla tube conical, throat constricted. Fruit separating into 2 parts HELIOPHYIDX. 4 



UL BORRAGE^E. Ovary deeply 4-lobed, style basilar. Fruit 4 achenia. . .(c) 



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



d having the slender tube bent LTCOPSIS. 5 



r Corolla regular in both tube and border. . ,(e) 



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



f Corolla funnel-form CVNOGLOSSOM. 7 



Achenia unarmed. Corolla throat closed by scales. ..(.ijr) 



g Corolla wheel-form, no tube. Anthers exsetted BORRAGO. 8 



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



ff Corolla tubular-bell-forru, while. Style exserted SYMPHTTUM. 10 



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



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



A Corolla tubular, with erect, acute lobes, white OSOSMODIUM. 12 



h Corolla lobes rounded, convolute in the bud MTOSOTIS. 13 



h Corolla lobes rounded, imbricate in bud, A- white or yellow LITHOSPERM ex. 14 



I; purple-blue MKRTKNSIA. IS 



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 email inodorous, pale-lilac, 

 pretty flowers. Buencs Ayres. 



8 T. guaphaloides i.1 white-silky, and T. volii bills, climbing; in S. Fla. 



2. HEIiIOTROFIUM, 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, if. > Fls. 

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



Flowers white, in forked terminal spikes, or single lateral ones Nos. 1, 8 



Flowers white-purple, in a cluster of terminal spikes. Cultivated Nos.. 8, 4 



1 H. Kuropteum L. Erect, pubescent; Ivs. oval, veiny, obtuse, petiolate; crJj s 



spreading in fruit, hairy. (T) Rocky banks, moist fields, Va., and N.: rare. 8 13'. 



2 H. Cnractsavicnm L. Glabrous, ascending; leaves linear-oblong to pa.j.atc, 



obtuse, tapering to base, veiuless and glaucous. Shores, W. and S. If. 



3 H. PEKUV/.ANUM. Shrubby, erect, pubescent ; leaves rugous, lance-ovate, short-petio 



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



4 H. COBTMBOSTJM. Pubescent, with lance-oblong leaves tapering both ways ; flowers 



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



