192 BoragineCB. \Cordia. 



LXXXIX.— BORAGINE^. 



Trees, shrubs, or herbs, 1. alt. (rarely opp.) without stip. ; fl. 

 regular, bisexual (rarely polygamous), in corymbose or race- 

 mose and scorpioid cymes, or solitary ; cal. free, persistent, 

 segm. 5-8 ; cor. tubular funnel-shaped or rotate, lobes 5-8, 

 imbricate ; stam. 5-8, inserted on cor.-tube ; ov. superior, 2- 

 celled, with 2 ovules in each cell or 4-celled with i ovule in 

 each, styles i or 2 ; fruit usually of 4 readily separable 

 I -seeded pyrenes or achenes or a drupe; seeds with or without 

 endosperm. 



Fruit a drupe with a single 1-4-celled pyrene ; style 



twice bipartite {Cordiece) . . . .1. CORDIA. 

 Fruit fleshy or dry, with four i-celled or two 2-celled 

 pyrenes. 

 Style bifid or 2 ; shrubs 

 Styles 2 ; annual herb . 

 Style unbranched, long; shrub 

 Style o ; shrubs .... 

 Style unbranched, very short ; herbs 

 Fruit of 4 distinct achenes attached to central car- 

 pophore {BoragecB) (see also 6). 

 Anth. connivent into an exserted cone. . . 7. Trichodesma. 



Anth. distant, included in cor.-tube . . . 8. Cynoglossum. 



2. Ehretia. 



3. coldenia. 



4. Rhabdia. 



5. tournefortia. 



6. Heliotropium. 



A large Order of warm-temperate regions, poorly represented here. 

 Of our 18 species, 8 are confined to the dry region, and only 2 to the 

 moist; 2 species are found to ascend into the montane zone. There are 

 only 2 endemic species. 



I. CORDIA, Z. 



Small trees or shrubs, rarely subscandent, 1. alt. (rarely 

 sub-opposite), fl, polygamous (male and bisexual) in terminal 

 corymbs; cal. tubular or campanulate, segm. very short, ob- 

 scure, unequal ; cor. funnel-shaped, lobes 5-8, imbricate; stam. 

 5-8, inserted in throat of cor., ov. 4-celled with i ovule in each 

 cell, style terminal, long, deeply divided, the branches again 

 bipartite, linear; fruit a drupe, pulp viscid, stone bony, usually 

 4-celled and 4-seeded, often i -celled by abortion; seeds with 

 plicate cotyledons, no endosperm. — Sp, 180; 15 in Fl. B. Ind. 



