346 CLASS V. ORDER I. 



DIP"SACUS. Flowers in an ovate or roundish capitulum ; common calyx 

 (involucre) polyphyllous, foliaceous ; proper calyx monophyllous, superior : 

 corol tubular, 4-cleft : seed solitary, with a wine-glass -form egret : receptacle, 

 conic, paleaceous. 48. 56 ;, tassel). 



GA'LIUM. Calyx 4-toothed : corolla flat, 4-cleft: fruit dry : seeds 2, round- 

 ish : (leaves stellate). 47 57 ^bedstrawj. A'. 



HOCSTO'NIA. Calyx half superior, 4-toothed : corolla salver-form, 4-cleft ; 

 capsule 2-celled, many-.-- ' -d, opening transversely. 47. 57) (Venus' 

 pride). S. . 



MITCHEL"I.A. Car j. t,> : corols 2 on each gorm, funnel-form ; tab* 

 cylindric ; limit ' \f'~r. lose on the inside: stamens scarcely 



exsert; stiginii 1-, , . s. cdcd. 4*. 57 partridge-berry ).$. 



LIN.N./E'A. Calyx doubV; nwtof the fruit 2-leaved, inferior ; that of the 

 flower 5-parted : corolla bell-form, 5-lobed ; stamens somewhat didynamous ; 

 stigma globose : berry 3-celled, dry, generally producing a perfect seed in but 

 one cell. 48. 58 v twin-flower). 



Southern. 



RU'BIA. Calyx 4-toothed i corolla 4 or 5-cleft, bell-form : berries 2, one- 

 seeded, (stamens 4-5 ; leaves stellate). 47.57 (madder). 

 (\-petu //"/.) 



COR"NUS. Calyx 4-toothed : drupe with a 2-celled nut. Some species have 

 a 4-leaved involucrum. 45. 58 (dogwood, false box). S. 



LUDWE'GIA. Calyx 4 parted, persistent : corol sometimes : capsule quad- 

 rangular, 4-ceiled, inferior, many-seeded. 17. 88. 5. 

 B. Plotters inferior, 

 (l-pe tolled). 



PLANTA'GO. Calyx 4-cleft r corolla 4-cleft, reflexed : capsule 2-celled, open- 

 ing ^transversely : stamens exsert, very long. 54. 31 (plantain, ribwort). <S. 



ECUI"UM. Calyx 5-parted ; segments subulate, erect : corol sub-campanu- 

 late; tube very short ; border unequally 5-lobed, the lower segment acute and 

 reflexed ; orifice naked : stigma bifid ; seeds tuberculate, not perforated at the 

 base. 41. 42. 



Southern. 



LY'CIDM. Corolla tubular, having the throat closed by the beards of the 

 filamejits : stamens often 5 : berry 2-celled ; many-seeded. 28. 41 (matri- 

 mony). 



(Apetalous\ 



ICTO'DES. , General calyx a spatha ; spadix simple, covered with flowers ; 

 perianth corolla-like, deeply 4-parted, permanent, becoming thick and spongy : 

 style pymmid-form, 4-sided ; stigma simple, minute ; berries globose, 2-seeded, 

 inclosed in the spongy spadix receptacle: 2. 7 (skunk-cabbage). 



ORDER II. DIGYSIA. 



HAMAME'LIS. Involucrum 3-leaved : perianth 4-leaved or 4-rleft : petals 4, 

 very long, linear : nut 2-celled, 2-horned. 54. 78 (witch-hazel). Flowers 

 in autumn, and perfects its seed the following spring. S. 



ORDER IV. TETRAGYNIA. 



ILEX. Calyx minute, 4 or 5-toothed : corolla 4-parted, wheel-form : style 

 : stigmas 4; berry 4-celled, cells 1-seeded. 43. 95 (holly). 



CLASS V. PENTANDRIA. 



ORDER I. MONOGYNIA. 



A. Flowers l-petalled, inferior ; seeds naked in the bottom of the calyx. 



ROUGH-LEAVED PLANTS. 



MYOSO'TIS. Calyx half 5-cleft or 5-cleft ; corolla salver-form, curved, 5- 

 cleft, vaulted, the lobes slightly emarginate ; throat closed with 5 convex con- 

 verging scales : seeds smooth or echinate. 41 42 (scorpion grass). S. 



CYNOGLOS"SUM. Calyx 5-parted : corolla short, funnel-form, vaulted ; 

 throat closed by 5 converging convex processes; seeds depressed, affixed lat- 

 erally to the style. 41. 42- (hound-tongue). S. 

 Exotic. 



BORA'GO. Corolla wheel-form, the throat closed with rays. 41. 42 (borage). 



ANCHU'SA. Calyx 5-parted ; corolla funnel-form, vaulted ; throat closed ; 



