356 CJ.A6S XII. ORDER I. 



ORDER II. niGYXTA, TO ORDKR V. PENTAGYNIA ; OR DI-PENTAGYNIA. 



AGRIMO'NIA. Calyx inferior, 5-cleft or 5-toothed, invested with an outer 

 lobed one ; petals 5 ; stamens 12 ; seeds 2, in the bottom of the calyx. 35. 

 92 (agrimony). S. 



CRATJE'GUS. Calyx superior, 5-cleft ; pptals 5 ; styles 1 to 5 ; berry mealy ; 

 seeds 2 to 5, hony. 36. 92 (thorn-bush). S. 



AKO'MA. Calyx superior, 5-toothed ; petals 5 ; fruit pomaceoiis ; berry 5 or 

 10-cellod; cells 1 or 2-seeded ; seeds cartilaginous 36. 92 (shad -flower, 

 choak berry). .S". 



PYRUS. Calyx 5-cleft, superior ; corolla 5-petalled ; pome 5-celled, many- 

 seeded ; seed compressed-ovate. 36. 92 (pear, apple, quince). <S. 



SPIRAEA. Calyx 5-cleft, inferior, spreading ; corolla 5-petalled ; petals equal, 

 roundish ; stamens numerous, exsert ; capsules 3 to 12, 2-valved within, each 1 

 to 3-seeded. 36. 92 (steeple-bush, hard-hack). S. 



Exotic. 



MESEMBRYAN'THEMUM. Calyx superior, 5-oleft; petals numerous, linear, 

 cohering at the base ; capsule fleshy, many-seeded, turbinate. 13. 87 (ice- 

 plant). 



ORDKR XIII. POLVGYNIA. 



RO'SA. Calyx urn-form, inferior, 5-cleft, fleshy ; contracted towards the 

 top ; petals 5 ; seeds numerous, bristly, fixed to the sides of the calyx within. 

 A genus remarkable for the multiplication of its petals, by rich culture. 35. 

 92 (rose). f>. 



RU'BUS. Calyx 5-cleft, inferior ; corolla 5-potalled ; pistils numerous ; berry 

 composed of many juicy, 1-seeded acines, on a dry receptacle. 35. 92 (rasp- 

 berry, blackberry) 5. 



UALIBAR'DA. Calyx 5-cleft, (8-cleft?) inferior; corolla 5-petalled; styles 

 long, cad uc.,tt 5 to 8; berry composed of dry graqulations. 35. 92 (dry 

 strawberry). <S. 



GE'UM. Calyx inferior, 10-cleft, 5 alternate divisions smaller; corolla 5- 

 petalled ; seeds with a bent awn ; receptacle columnar, villous. 35. 92 

 (avens, or herb bennet). S. 



POTENTIL'LA. Calyx flat, inferior, 10-cleft; 5 alternate divisions smaller ; 

 corolla 5-petalled ; petals roundish or obovate ; seeds awnless, roundish, ru- 

 gose, fixed to a dry, small receptacle. 35. 92 (five-finger, cinquefoil). S*. 



FRAUA'RIA. Calyx inferior, lo-d-ft: 5 alternate divisions smaller; corolla 

 5-petalled ; receptacle ovate, berry-like ; acines naked, immersed in the recep- 

 tacle, caducous. 35. 92 (strawberry). S. 



CLASS XII. POLYANDRIA. 



ORDER I. MONOGYNIA. 



TI'LIA. Calyx 5 or 6-parted, inferior, caducous ; corolla 5 or 6-pctaIled ; 

 capsule 5 or 6-ceJled, globular, coriaceous, dehiscent at the base; !-> 

 Often 4 of the colls nre empty. 37. 79 (bass-wood. ) S. 



PORTULAC"CA. Calyx 2-clft, inferior ; corolla 5-petalled ; capsule 1-celhd, 

 opening trail- vcrsly ; eolumella .">, filiform. 13. 86 (purslane). N. 



CHELIDO'VIITM. Calyx 2-leavcd, Caducous ; corolla 4-petallc,l : siliijnp-lik-, 

 capsule 1-celled, 2-valved, linear; seeds crested, many. 27. 62 (celan- 

 dine). N. 



SAVGUI VA'RIA Calyx caducous, 2-leavod ; corolla about 8-petnllrd stigma 

 sossil<-, t\vinnocJ, 2-groov <! : capsnlo pod-like, ovate, 1-celled, vJ-vnlvcd, awnic 

 at ear-h end; valves caducous; columella 2, permanent. 27. 62 (blood- 

 root). N. 



l'onopHYi."LrM Calyx 3-leaved, minuto ; corolla about 9-prtallr-d : sfiirun 

 large, cronafo, srs^ilr : l>erry l-ce!led, crownod with the stigma, lanre, n. 

 seeded; columella one-sided. 27.61 (\\ildmandrade) <S 



ACT .'A Calyx 4-leaved, deciduous ; petals 4, often wanting: stigma sesil\ 

 capitate; berry superior, l-coll.-d, many-seeded ; seeds hemisplierical. 26.61 

 (Necklace weed or hanoborry). S. 



MACROTIS. Calyx about 4-leaved, becoming coloured before expanding, cn- 

 ducous; corolla many minuto petals very caducous, or wanting; stigma sim- 

 ple, sessile, curving towards the gibbous side of the germ ; capsule 2-valved. 



