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CLASS X. OKDEK V. 



Gadlthe'ria. CaljTC iuferior, doul^e, 

 outer 2-leaved, inner 5-clefl (or calj-x 5-cleft, 

 with 2 bracts) ; corolla ovate ; border small, 

 S-cleft, revolute ; lilanients haiiy ; recepta- 

 cle lOtootlicd (or with a 10 pointed necta- 

 ry) ; capsule 5-celled, invested with the 

 ben-y-like calyx, (spicy wintergi-een.) 



Va.ccin"ium. Calyx superior, 5-toothed 

 or 5-parted ; corolla bell or pitcher-form, 5- 

 clert, the divisions retlex(;(l ; filaments in- 

 serted on the yerm witii the corolla; beny 

 4 or 5-celled, many-seeded. The foreiy^ii 

 species arc sometimes octandrous. (whor- 

 tleberry.) , 



Anduom"eda. [Lyon'IA.] Calyx 5-part- j 

 ed or 5 toothed, inferior ; corolla ovate, ! 

 roundish or subcylindric, with a 5-cleft, re- 

 flexed mouth ; capsule 5-celled, 5-valved, 

 with partitions contraiy; stamens some- 

 times 8. (white-bush, leather-leaf.) . 



Kai/'mia. Calyx 5-pai-ted ; corolla wheel- ! 

 salver-form, %vith 10 horns beneath and 10 

 cavities within, containing the anthers until j 

 the pollen is mature ; capsule 5-celled, many- 1 

 seeded, (laurel.) • | 



RHonoDEN'DRo.v. Calyx 5-parted; co- 1 

 rolla 5-cleft, somewhat funnel-form and ob- 

 Hque ; stamens declinini^, varyinif from 5 to 

 10 ; anthei's opening by 2 terminal pores ; 

 capsules 5-celled, 5-valved, opening at the : 

 top. (rose bay.) j 



D. Flou-ers icifliont a calyx [or u-ilh a col- 

 ored petal-like one) ; u-hole plant destitute 

 of green herbage. 



Monotro'pa. Corolla confusedly poly- 

 petalous, permanent ; petals about 5, with 

 nectariferous hollows at their bases ; anthers 

 reniform, sub-peltate, 1 -celled, giving out 

 pollen by 2 holes near the middle ; stigma 

 orbicular, not bearded ; capsule 5-celled, 5- 

 valved. (bird's-uest.) 



Pterospo'ra. Corolla 5-parted ; nectary 

 ovate, with a 5-toothed, reflexed margin, 

 enclosing the stamens ; anthers 2-celled, 2- 

 bristled, sub-peltate ; filaments flat ; style 

 short; stigma capitate; capsule sub-globose, 

 5-ceIled. The nectaiy is considered as a 

 corolla, and the corolla as a calyx, by some. 

 " But the three genera in this section," says 

 Eaton, " should be united in one, by alter- 

 ing two or three words in the definition," 

 (Albany beech-drops.) 



MoNOTROP"sis. Corolla 5-petalled, with- 

 ering ; ovate, acuminate, close pressed to 

 the nectary ; nectary bell-form, fleshy ; an- 

 thers clavate. 



ORDER II. DIGYNIA. 



Hydran"gea. Calyx 5-toothod, superior; 

 corolla 5-petalled ; cap.sule 2-celled, 2-beak- 

 ed dehiscent between the beaks, (hydran- 

 gea.) See Hortensia. 



Saxifra'ga. Calyx 5-parted, half supe- 

 rior ; corolla S-petatled ; capsule 2-celled, 

 0-beaked, opening between the bealis, 

 man^'-seeded. (saxifrage'.^ 



Mitel"la. Calyx 5-cleft, permanent ; pe- 

 tals 5. i.L"j-atifid, inserted into the calyx; 

 capsuio ? -^elled, 2-valved, valves equal. 



Satona'sia. Calyx inferior, 1 -leafed, tu- 



bulai-, 5-toothed, without scales ; petals 5, 

 witli claws ; capsule oblong, 1-celled. (soap- 

 Avort.) 



Dian"thus. Calj-x inferior, cylindrical, 

 l-leafed, with 4 or 8 scales at the base ; pe- 

 tals 5, with claws; capsule cylindrical, 1- 

 celled, dehiscent at the top. (pink, sweet- 

 william.) 



Tiarei."la. Calyx 5 parted, persistent: 

 petals 5, inserted into the calj'x, unguicu- 

 latc, entire; capsule l-celled, 2-vaK'ed. 



Sclekan"thus. Calyx 5-cleft, with the 

 stamens inserted upon it; corolla 0; capsule 

 1-celled, covered with the cal3-x. 



ORDER III. TRIGYNIA. 



Sile'ne. Calyx 1-leaved, tubular or con- 

 ic, 5 toothed ; petals 5, with claws, gener- 

 ally crowned at the orifice ; cap.sule 3-celled, 

 G-toothed, many-seeded. 



Arkna'ria. Calj-x inferior, spreading, 5- 

 leaved; petals 5, entire; capsule 1-celled, 

 many-.seeded. (sandwort.) 



Cucu'bui.us. Calyx 1-leaved, inflated, 

 5-toothed ; j)etals 5, unguiculate ; capsule 

 3-cclled. (bladder-campion.) 



Stella'ria. Calyx 5 -se palled ; petals 5, 

 deeply cleft ; capsule 1 -celled, opening with 

 6 teeth, many-.see(ied. (.starwort.) 



HoRTE.v'siA. Calyx 5-toothed, minute, 

 corolla 5-petalled; the flowers composing 

 the cyme have a large, colored, pennanent 

 petal-like 5-leaved calj^TC, and a minute, ca- 

 ducous, 4 or 5-petalled corolla ; stamens 

 8, 10, or 11. (changeable hydrangea.) Ex. 

 This plant is much altered by cultivation. 



order iv. tetragynia. 

 Micrope'talon. [Spergulas"trum.J 

 Sepals 5, expanding ; petals 5, minute, en- 

 tire, often wanting ; stigmas 4, sessile ; cap- 

 sule ovate, longer than the caljoc, 4-'"'alved. 

 (blind-stai-wort.) 



ORDER V, PENTAGYNIA. 



Sper"gula. Calyx 5-leaved; petals 5, 

 undivided ; capsule ovate, 5-celled, 5-valved. 



Ceras"tium. Calyx 5-leaved; petals 5, 

 2-cleft or eniarginate ; capsule 1-celled, de- 

 hiscent at top, 10-toothed. (mouse-eai*, chick- 

 weed.) 



Agrostem'''ma. Calyx 5-cleft, prismatic 

 or tubular, coriaceous ; petals 5, with claws 

 border obtuse, entire ; capsule 1-celled, 

 maiiy-seeded, opening with 5 teeth, (cockle.; 



Oxa'i-is. Calyx permanent, 5parted or 

 5-leaved, inferior ; petals 5, cohering by the 

 cla^vs ; capsule 5-celled, 5-coniered, deliis- 

 cen.t at the corners ; seeds 2 or more in a 

 cell, covered with an elastic aril ; stamens 

 witli 5 shorter outer ones adhering at their 

 bases. 



Pentho'rum. Calyx 5 to 10-clcft ; petals 

 5 or ; capsules 5-pointed, 5-celled ; cells 

 divided transversely, many-seeded. (Vir- 

 ginian orpine.) 



Se'dum. Calyx inferior, 5-cleft ; 5 petals; 

 5 nectariferous scales at the base of the 

 germ; capsules 5. (live- forever, orpine 

 stone-crop. 



Lych^'nis. Calyx 1-leaved, oblong, 5 

 toothed ; petals 5, with claws ; the limt 



