RUBIACE^. (madder FAMILY.) 38?» 



7. CrAI^IUM, L. Bedstraw. Cleavers. 



Flowers perfect or polygamous. Calyx-teeth obsolete. Corolla 

 rotate, 4-lobed, tube sometimes slightly campanulate. Fruit twin, dry; 

 mericarps hemispherical or oblong-linear — Herbs, sometimes shrubby 

 at base, with flowers in axillary cymes, panicled or corymbose, or flowers 

 solitary, axillary. 



* Perennials. Flowers perfect. Peduncles even in fruit, erect. 

 t Corolla white. Leaves 1-nerved. 



1 G. Bocconi, 2 Schlumbergeri, 3 Pestalozzge, 4 Ehrenbergii, 5 

 Tolosianum, 6 erectum, 7 Orientale, 8 Cilicicum. 



1 1 Corolla yellow, cream-colored, or greenish-yellow. Leaves 1-nerved. 



9 G. aureum, 10 verum, 11 Sinaicum. 



t 1 1 Cojvlla purple. Leaves 1-nerved. 



12 G. canum, 13 Cappadocicum, 14 jungermanniodes. 



* * Annuals. Fruit on erect or reflexed pedicels, not covered h/ refexed 



leaves. 



t Ramification not whirled. 



\ Mericari^s globular. 



§ Fruits .002 to .006 long, twin. Corolla white. 



T" Flaccid, decumbent, m^ climbing, retrorsely scabj'ous plants. 



J 5 G. saccharatum, 16 tricorne, 17 verticillatum, '18 Aparine, 19 

 spurium, 20 pisiferum, 31 adhaerens. 



IT IF Bwarf, erect, glabrous or soft-puherulent plants. 



22 G, pe]3lidifolium. 



§ § Fruits .0005 to .001 long. Corolla greenish, yellow, or purplish. 



23 G. divaricatum, 24 tenuissimum, 25 nigricans, 26 Syriacum, 27 

 Hierosolymitanum, 28 Jiidaicum, 29 Cassium, 30 setaceum, 31 Decais- 

 nei. 



X X Mericarps oblong or ovate. 

 32 G. murale, 33 verticillatum. 

 1 1 Mamification whorled. Fruit, globular, half as large as a hempseed. 



34 G. bracteatum. 



* * * Annuals or 2^erennials. Fruit, on recurved pedicels, covered by reflex- 



ed leaves. 



35 G. coronatum, 36 Pedemontanum, 37 articulatum. 



1. O. Bocconi, All. Fed. % Stems ascending, pubescent 

 below. Leaves in sixes and eights, oblanceolate, mucronate, the low- 

 est pubescent, broader. Umbels trichotomous ; corolla-lobes acute, 

 not aristate; fruit glabrous— Spring — Pine forests of Gilead (Tristram). 



2. O. Scliluiiiberg^cri, Boiss. If .3, velvety ; stems indurated 

 at base, ascending, ending in a stiff, elongated panicle. Leaves in sixes, 

 linear-lanceolate, mucronate ; pedicels shorter than flowers ; corol- 

 la-lobes triangular, the obtuse tip recurved ; anthers yellow ; ovary 

 velvety — Summer — Mt. Hermon. 



