1002 EHRETIACEAE 



unappendaged throat : lobes 5, unequal, rounded. Stamens o, partially exserted. Fila- 

 ments unequal in length, dilated at the base. Carpels 4, nearly distinct. Stigma 2-lobed. 

 Nutlets 4, erect, wrinkled, attached to the flat receptacle by their bases, the scar of attach- 

 ment not concave. Viper's Bugloss. Blueweed. 



1. Echium vulgare L. Biennial, bristly-pubescent, deep green. Stems 3-7 dm. tall, 

 simple or branched tiiroughout ; branches ascending : leaf-blades linear or linear-lanceo- 

 late, or linear-oblanceolate below, acute or short-acuminate, 2-15 cm. long, undulate, 

 sessile, bristly on both sides : spikes rather dense, becoming 2-10 cm. long : bracts obliquely 

 lanceolate, acuminate : calyx bristly ; lobes linear or linear-lanceolate, 6-12 mm. long, un- 

 equal : corolla pale blue or purplish, or rarely white, obliquely campanulate, 1.6-1.8 cm. 

 long, narrowed into a short tube which is somewhat plaited ; lobes ovate or triangular- 

 ovate, ciliolate : filaments and style exserted, magenta. 



In sterile soil, especially in waste places, New Brunswick to Ontario and Nebraska, south to 

 Georgia. Spring and summer. 



Family 8. EHRETIACEAE Schrad. Ehretia Family, 



Shrubs or trees, or sometimes herbs, with watery sap. Leaves mainly 

 alternate, without stipules : blades simple, commonly entire. Flowers perfect, 

 regular, in compound cymes. Calyx of 5 or fewer partially united sepals, per- 

 sistent. Corolla of 5, or rarely 4 or 6, partially united petals, deciduous : lobes 

 spreading. Stamens 5, or 4 or 6, adnate to the base of the corolla-tube : fila- 

 ments often united at the base : anthers introrse. Gynoecium 2-4-carpellary. 

 Ovary 2-4-celled or 1-celled, some of the partitions being imperfect : styles 2, 

 and distinct or partially united, or 4 and united by pairs. Ovules 1 or 2 in each 

 cavity of the ovary. Fruit drupaceous, with a 4-celled but only 1-seeded stone 

 or 2 two-seeded or 4 one-seeded .stones. 



styles 4, unequally united by pairs. 1. Cordia. 

 Styles 2. 



Styles partially united : shrubs or trees. 



Calvx almost closed, valvately 2-5-cleft at the apex. 2. Bourreria. 



Calyx of .■? slightly united sepals. 3. Ehretia. 



Styles distinct : annual or perennial herbs. 4. Coldenia. 



1. CORDIA L. 



Shrubs or trees, or sometimes vines, with scabrous or villous foliage, or rarely glabrous. 

 Leaves alternate : stipules wanting. Flowers perfect or polygamous, in terminal scirpioid 

 cymes, or contracted into dense spikes or clusters. Calyx tubular or campanulate, with 3-5 

 lobes, sometimes ribbed, accrescent, shorter than the fruit or enclosing it. Corolla white or 

 colored, varying from campanulate to salverform : lobes 5 or rarely 4-6, flat or plaited. 

 Stamens as many as the corolla-lobes, adnate to the corolla-tube : filaments filiform : 

 anthers variable, introrse. Ovary 4-celled, sessile in a thin annular disk : styles slender, 

 unequally united by pairs : stigmas 4. Drupe partially or entirely enclosed in the accres- 

 cent calyx, tipped with the persistent style, with a dry or juicy exocarp and an often bony 

 stone. Seeds solitary, or rarely 2. Endosperm wanting. 



Flowers in open cymes : corolla over 2.5 cm. long : leaf-blades entire or undulately toothed. 



Calyx pedicelled ; tube glabrous at maturity : corolla orange or flame-color. 1. C. Sebcstena. 



Calyx sessile : tube tomentulose at maturity : corolla white with a yellow center. 2. C. Bossieri. 

 Flowers in dense heads : corolla less than 2.5 cm. long : leaf-blades serrate. 



Shrubby throughout : corolla less than 11 mm. long. 3. C. globosa. 



Herbaceous above the base : corolla over 11 mm. long. 4. C. podocephala. 



1. Cordia Sebest^na L. An evergreen shrub, or a small tree, sometimes 10 m. tall, 

 with scabro-pubescent foliage and tomentose twigs. Leaf-blades ovate or oblong-ovate, 

 8-12 cm. long, obtuse or acutish, repand-serrate or undulate; petioles 1-2.5 cm. long: 

 corymbs 1-2 dm. broad : pedicels very short : calyx-tube cylindric, 1-1.5 cm. long; lobes 

 triangular : corolla orange or flame-colored, puberulent without ; tube funnelform, surpass- 

 ing the calyx ; lobes spreading, suborbicular, shorter than the tube, undulate or erose : 

 fruit ovoid, 1.5-2 cm. long, enclosed in the thick accrescent calyx. 



In sand, Florida Keys. Also in the Bahamas, Antilles and northern South America. 



2. Cordia Bolssi^ri A.DC. An evergreen shrub, or a small tree sometimes 8 m. tall, 

 with a crooked stem and velvety-tomentose foliage. Leaf-blades ovate or oblong-ovate, 

 8-12 cm. long, obtuse or acutish, repand-serrate, obtuse or cordate at the base ; petioles 



