198 LXXXVII. UORAGINACE.^, 



carapanulate or cylindric, sometimes very short; lobes 4-5 (rarely 6-8). 

 Corolla various, 4-5 (rarely 6-qo ) -lobed, often with scales or folds in 

 the throat ; lobes imbricate (rarely plicate or contorted). Stamens as 

 many as the corolla-lobes, inserted in the throat or tube of the corolla, 

 equal or slightly unequal ; filaments filiform or dilated at the base, 

 sometimes with a basal scale ; anthers ovate, oblong or linear, obtuse, 

 or with produced connective, dorsifixed, more or less 2-lobed at the 

 base, cells parallel, introrsely or laterally dehiscent. Disk annular, 

 entire or 5-lobed, sometimes inconspicuous or obsolete. Ovary superior, 

 confluent at the base with the disk, entire or more or less completely 

 2-4-lobed, 2-celled and 2-ovulate or 4-celled and 1-ovulate ; ovules 

 erect or attached to the inner angle of the cell ; style terminal in the 

 entire, gj'nobasic in the lobed ovarj% filiform or columnar, entire or 

 once or tw'ice divided, or rarely partite into 2 styles ; stigma terminal 

 or annular, entire or 2-lobed. Fruit drupaceous or dividing into 2-4 

 nutlets. Seeds erect, oblique or almost horizontal, straight or curA^ed ; 

 testa membranous ; albumen copious, scanty or ; embryo straight or 

 curved ; cotyledons flat, plano-convex or thick and fleshy, entire (rarely 

 2-fid or -plicate) ; radicle usually much shorter than the cotyledons. — 

 DiSTBiB. Genera about 70 ; species about 1200, cosmopolitan. 



Ovary entire or slightly 4-lobecl ; style terminal. 



Style twice-forked 1. Cordia. 



Style once-forked or styles 2. 



Trees or shrubs 2. Eiiretia. 



Prostrate herb 3. OoLnENiA. 



Style 1, simple. A virgate shrub 4. Rhabdia. 



Style short (long and exserted in Heliotropium ophioglos- 

 sum), entire or shortly 2-lobed (in H. ophioglossum 

 divided into 2 long branches), usually with a broad 

 stigmatic ring at the base of a conical or rarely oblong 



appendage. Herbs 5. Heliotuopium. 



Ovary deeply 4-lobed ; style gynobasic (except in Trichodesma) ; 

 nutlets usually 4. 



Anthers connivent mto a cone, subexserted ; connectiTCS 

 much produced, twisted together at the apex; style 



subterminal 6. Tuiciiodesma. 



Anthers not connivent into a cone, included ; connectives 

 not much produced. 



Nutlets attached to a convex or conical carpophore, 

 often prominently margined. 



Bases of the nutlets produced downwards 7. Cynoglossum. 



Bases of the nutlets hardly produced down- 

 wards 8. Paeacaryuji. 



Nutlets on a flat or nearly flat receptacle, not pro- 

 minently margined. 



Branched cano-tomentose undershrubs ; corolla- 

 throat villous 9. Sericostoma. 



Hispid annual or perennial herbs ; corolla-lliroat 



naked 10. Aunebia. 



1. CORDIA, Linn. 



Trees or shrubs rarely subscandent. Leaves alternate (rarely sub- 

 opposite), petiolate, entire or toothed. Flowers polygamous ( J and ^ ), 

 in cymes, spikes or heads. Calyx tubular or campanulale, smooth or 

 ribbed ; teeth usually 5, short, often irregular, sometimes obscure. 

 Corolla infundibuliform, hypocrateriform, or campauulate, usually white 



