CLASS XL ORDER XIL 



49 



Bomewhat 2-cleft.; capsule 1 or 5-celled, | 

 with a 5-toothed opening, (campion.) Ex. 



-^RDER X. DF.CAGYNIA. 



P'iYTOLAC"cA Calyx 0; corolla 5petal- 

 led or 5-cleft, calyx-like, inferior; berry 10- 

 celled. 10-seeded. (poke-weed.) 



CLASS XL ICOSANDRIA. 



ORDER I MONOGYNIA. 



Cac^tus. Calyx superior, many-cleft, im- 

 bricate ; petals numerous, in many series 

 the inner ones larger ; stigma many-cleft 

 beiTy 1- celled, many-seeded, umbilicatc 

 (prickly-pear.) 



Barto'nia. Calyx superior, 5-cleft ; co- 

 rolla 10-petalled, inserted on the calyx ; cap- 

 sule cylindrical, oblong, 1-ceUed, summit 

 flat, valvular, the valves 3 to 7 ; receptacle 

 thick ; seeds numerou.s, compressed, ar- 

 ranged horizontally in a double series. 



Cuphe'a. Calj-x inflated, tubulai*, 6 to 12- 

 toothed, unequal, (wax bush.) 



Deco'don. Calyx hemispheric, campan- 

 ulate, 10-toothed, 5 teeth longer and spread- 

 ing ; petals 5, undulate ; capsule covered 

 with the calyx, 3-celled, 3-valved. 



• Lyth"rum. Calyx cyhndric, striate ; 8 to 

 12-toothed ; petals 4 to 6, equal, inserted on 

 the calyx ; stamens as many, or twice as 

 many, as the petals, sometimes fewer ; cap- 

 sule 2-celled, many-seeded, (milk-willow 

 herb.) 



Pru'nus. Calyx inferior, 5-toothed ; co- 

 rolla 5-petalled ; drupe ovate or oblong, 

 fleshy, very smchoth. covered with grayi.sh 

 dust ; putamen compressed, acute at both 

 ends, subsulcate at the margin, elsewhere 

 smooth, (phuii.) 



Cer"asus. Drupe globose or umbilicate 

 at base, fleshy, veiy smooth, destitute of 

 gray powder ; nucleus sub-globose, smooth, 

 [chen-y.) 



Mentze'lia. Calyx 5-cleft, supei-ior, ca- 

 ducous; petals 5 ; capsule 1-celled, 3-valved, 

 cylindric, 3 to G- seeded ; leaves oblong, ar- 

 ranged lon.gitudinally. (S. 



Decuma'ria. "Calyx superior, 8 to 10- 

 cleft ; petals 8 to 10 ; capsule 7 to 9-celled, 

 many-seeded, seeds subulate, minute. S. 



Chrysobala'nus. Calyx inferior, 5-cleft; 

 petals 5 ; style lateral ; drupe prune-form ; 

 nut 5-grooved, 5-valved, 1 -seeded. S. 



Tiga'rea. Calyx inferioi-, 5-c.eft ; petals 

 5 ; capsule oblong, acuminate, pubescent, 1- 

 ' seeded. *S'. 



Myr"tus. Calyx superior, 5-cleft; petals 

 5 ; beny 2 or 3 celled, many-seeded, (myr- 

 tle.) Ex. 



AMVG"DALrs. Calyx 5-cleft, inferior; pe- 

 tals 5; drupe has a perforated putamen; 

 flowers Hcs.sile (peach.) Ex. 



Puush"ia. Calyx tubular, cleft into 5 

 ovate, obtn.'<e lohes; petals 5-obovate, un- 

 guiculate, ipt^eited in the mouth of the ca- 

 lyx, with -Jo stamens ; germ oblont:, full 

 stiped, glandular-pubescent, tapeiuig into a 

 subulate style ; stigma pubescent, lateral, 

 almost as long as the style. S. 



Armenia'ca. Flowers sessile; calyx 5- 

 cleft, infenor; p'talsS; drupe fleshy, pu- 



bescent ; putamen with one margin acute 

 and the other obtuse, furrowed both sides, 

 (apricot.) Ex. 



Pu'nica. Calyx 5-cleft, superior ; petals 

 5 ; pome or beny many-celled, many-seed 

 ed ; receptacle pai-ietal ; seed berried, (pome- 

 granate.) Ex. 



Philadel"phus. Calyx 4-5-parted, su- 

 perior, top-form; corolla 4 or 5-petalled; 

 style 4-cleft ; capsule 4-5-celled, many-seed- 

 ed ; seeds arilled. (false syringa, or mock- 

 orange.) Ex. 



order II. DIGYNIA, TO ORDER V. PENTA- 

 gynia, 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, (a.grimony.) 



CRAT.ai'GUS. Calyx superior, 5-cleft ; pe- 

 tals 5 ; styles 1 to 5 ; berry mealy ; seeds 2 

 to 5, bony, (tliorn-bush.) 



Aro'ma. Calyx superior, 5-toothed; pe- 

 tals 5 ; fruit pomaceous ; beny 5 or 10-cell 

 ei* cells 1 or 2-seeded ; seeds cartilaginous 

 (shad-flower, choke-beiry.) 



Py'rus. Calj-x 5-cleft, superior ; corolla 

 5-petalled ; pome 5-cellcd, many-seeded ; 

 seed compressed, ovate, (pear, apple, 

 quince.) 



Spir^'a. Calyx 5-cleft, inferior, spread- 

 ing ; corolla 5-petalled ; petals equal, round- 

 ish ; stamens numerous, exsert ; capsules 3 

 to 12, 2-valved within, each 1 to 3-seeded. 

 (steeple-bush, hard-hack.) 



Sesu^vium. Calyx 5-parted, colored ; pe- 

 tals ; stigmas 3 to 5 ; capsule superior, 3 

 to 5-celled, opening circularly, many-seed- 

 ed. 



Gille'nia. Calj-x tubular, beU-form, con- 

 tracted at the mouth, 5-cleft ; petals 5, lin 

 ear-lanceolate, some"what unequal, coarctate 

 at the claws ; stamens 10 to 15 included ; 

 styles 5, contiguous ; stigmas capitate ; 

 capsule 5-celled ; cells 2-seeded. (Indian 

 physic.) 



Sor"bus. Calyx 5-cleft ; petals 5 ; styles 

 2 or 3 ; beny inferior, farinaceous, widi 3 

 cartilaginous seeds, (mountain ash.) 



FoTH ergil"la. Calyx inferior, truncate, 

 obsoletely crenate ; corolla ; genu 2-cleft; 

 styles 2 ; capsule 2-lobed, 2-celled ; seeds 

 browTi, solitaiy. 



Mes"pilus. Calyx superior, 5-cleft, di- 

 visions serrate ; corolla 5-petalled ; styles 2 

 to 5 ; drupe 2 to 5-seeded ; seeds bony. Ex. 



Mesemi{kyan"themum. Calyx superioi*, 

 5-cleft ; petals numerous, lincax*, cohering at 

 the base ; capsule fleshy, many-seeded, tur 

 binate. (ice plant.) Ex. 



ORDER XII. POLYGYiVIA. 



Ro'sA. Cal^-x urn-form, inferior, 5-cleft, 

 fleshy, contracted toward the top ; petals 5 ; 

 seeds numerous, bristly, flxed to the sides 

 of the calyx within. A genus remarkable 

 for the multiplication of its petals by rich 

 culture, (rose.) 



RuRUS. CaljTC 5-cleft, inferior; corolla 

 5-pctalled ; pistils numerous ; beny com- 

 ]iosed of ;uany juicy l-.seeded aclnes on a 

 diy receptacle, (raspbeirj', blackl<eny.) 



