266 



THE FLORA. 



■ 2. POLEMO'NIUM. Pplemony. 



1 P. coBra'leum, Blue P. Greek Valerian. Stem erect, l-2f. high. £v8. pinnate, 



with 11-17 leaflets. Capsule 12-20-Beeded. Sometimes wild, t 



2 P. rep'tans. Greeting P. Stem weak, diffuse. Leaves pinnate, with 7-11 leaflets. 



Capsule 4-6-seeded. Woods, common. Light blue. 



Oedee XCIII. CONVOLVULACE^. Bindweeds. 



Herbs twining or trailing, witli alternate leaves ; flowers showy ; 

 calyx with 5 much imbricated sepals, persistent; . # 



corolla regular, 5-lobed or entire, plaited and twisted in the' hud ; ' 

 stamens S, and style single ; ovary free, heooming in 

 fruit a pod which is 2-4-ceUed and 2-6-seeded ; 

 enibryo large and leafy, with thin mucilaginous albumen. 



The suborder, Ousctttine^, consists of small orange-colored, 

 plants, living on other plants (parasites), 

 with small flowers, and no cotyledons 

 (CusoTJTA, the Dodder). 



Analysis of the Oenera. 



§ Ovaries 2, distinct, with 2 distinct styles. . . .f 

 § Ovary 1, open, when ripe by 2-4 valves 2 



2 Ovary 2-celled, 2-valved, 4-seeded 3 



2 Ovary 8-celled, 8-valved, 6-seeded b 



2 Ovary 4-celled, 4-valved, 4-seeded a 



3 Styles 2, distinct o 



8 Styles united into 1 ... .4 



4 Calyx enveloped in 2 large bracts d 



4 Calyx ijaked o 



a Stamens exserted. Cor. small (scarce 1' broad). 

 a Stamens included. Corolla large (2' broad). + 



b Beautiful twining vines. Cor. bell-funnel. 

 c Stamens included. Stigma capitate. 

 c Stamens included. Stigmas 2, linear. 

 e Stamens exserted. Corolla tube slender. + 



d Stigmas 2, obtuse. Corolla bell-form, t 

 e Peduncles longer than the leaves. Soft-downy. 



i Capsules 2, each 1-seeded. Plant very small 



Fig. 610. Entire-leaved Oyprcss-vine 

 (Quamoclit coGomea.) 



t Oj/pressVme. Quam'ooi.it. 1 



Siimi Potato. Bata'tas. 2 



+ Morning-glory. Phak'bitis. 3 



False Bindweed. IpoMLaj'A. 4 



Bindweed. Coitvol''vdlus. 5 



Good-night.. Calyntc'tion. 



J^utland Beauty. Calyste'gia. fl 



Siylisma. Sttlis'ma. 

 , prostrate. S, Diohon'dka. 



