533 BORRAGINE^. (BORAGE FAMILY.) 



* * * Racemes bracted. Anthers acuminate at tip, sagittate at base. 



24. ONOSMA. (D If Nutlets straight, the basilar areola not stalked. 



25. PODONOSMA. 2f Nutlets curved, the basilar areola somewhat stalked. 



SuBTRiBE V. CERINTHEiE, Nutlets 2, two-celled, inserted by a flat surface on 

 the torus, free from gynobase and styles. 



26. CEKINTHE. (f) If Glabrous, glaucescent herbs, with .02 long, yellow flowers. 



1. CORDIA, L. CoRDiA. 



Calyx tubular or campanulate, 5- or irregularly 3-8-toothed. Co- 

 rolla funnel-shaped, with 5-, rarely 6-8-parted limb. Stamens exserted 

 or included. Ovary with four, 1-ovuled cells. Style twice forked. 

 Drupe pulpy with hard endocarp. Cotyledons folded lengthwise — 

 Glabrous or somewhat scabrous trees. 



C Itlyxa, L. 5 -^%- 5 to 8. Leaves long-petioled, orbicular 

 to ovate, .05 to .15 long, glossy above, obtuse or muctonate. Cymes 

 loose, polygamous ; calyx-teeth short-ovate ; corolla-tube as long as 

 calyx, lobes oblong-linear, recurved; anthers exserted; stigmas fan- 

 shaped; drupe .013 long, mucronate — January to May — Cultivated 

 everywhere. Spontaneous in Ghor. Fruit edible, principally used in 

 making bird-lime. Bark a tonic. Wood used to kindle fire by fric- 

 tion ; formerly used by ancient Egyptians to make sarcophagi. 



2. HELIOTROPIUM, L. Heliotrope. Turnsole. 



Calyx 5-parted, persistent, or deciduous with the fruit. Corolla 

 funnel-shaped or salver-shaped, with 5-lobed or -parted limb, frequent- 

 ly with 5, supplementary lobes in the sinuses. Anthers nearly sessile, 

 the connective often ending in a cusp. Style simple, stigma with 

 broad base surrounded by a fleshy rim, cup-shaped, conical, or subulate, 

 entire or bifid. Nutlets 4, or fewer by abortion, distinct or coherent, 

 or connate in pairs, or conwete in a 1-seeded caryopsis — Herbs or 

 shrubs. 



* Annuals. 



t Corolla-lobes imbricated in bud. 



X Calyx deciduous with fruit. Nutlets concreted into a single, 1-seeded 



caryopsis. 



1. H. §iipinuiii, L. © Ghubeirah. .2 to .4, ^prosir^ie, ashy- 

 grey, hair of branches spreading, that of leaves appressed. Leaves 

 all petioled, .005 to .015 long, ovate, obtuse, the upper face plicate. 

 Racemes dense; flowers minute; calyx-lobes connivent in fruit enclosing 

 caryopsis and falling with it; corolla hirsute without ; stigma elongated- 

 conical, 4-lobed; nutlet glabrous, plano-convex — Summer — Places 

 overflowed in winter, along Syrian coast. 



Var. Bois§ieri, Post. Leaves rounded-elliptical, .01 or less long. 

 Racemes loose in fruit — Summit of Akher Dagh, 2000 m. 



X X Calyx persistent after the shedding of thej^ruit. Nutlets 4. 

 1" Stigma tapering from a conical base. 



2. H. Aleppicum, Boiss. .3 to .4, strigose-wooUy, dicho- 

 tomously branching from base. Leaves oUong, to oblong linear, .01 to 



