ICOSANDRIA. 



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ICOSANDRIA. 



2. DIGYNIA (Two Pistils.) 



HELIOCARPUS, Sun Seed Calix four-leaved; style simple; 



capsule two-celled, compressed, longitudinally radiated on 



both sides, (according to Gartner, superior, club-shaped, 



surrounded with filiform feathered rays.) 

 AGRIMOVIA, Agrimony Calix five-cleft, fenced with another; 



petals five ; seeds two, at the bottom of the calix. 



3. TRIGYNIA (Three Pistils.) 



RESEDA, Mignonette Calix one-leafed, parted ; petals laci- 

 niate; capsule gaping at the mouth, one-celled, many- 

 seeded. 



EUPHORBIA, Spurge Corolla four or five petalled, placed 

 in the calix; calix one-leafed, bellying; capsule tricoc- 

 cous. 



PALLASIA. See Syngenesia, Polygamia Fruslranea. 



TACCA. See Hexandria. Monogynia. 



VISMEA Calix five-leaved, inferior ; corolla five-petalled ; 

 nut two or three celled, half inferior. 



4. TETRAGYNIA (Four Pistils.) 



APONOGETON Calix an ament; corolla none; capsule 

 three-seeded. 



CALLIGONUM Calix five-parted; corolla none; filaments 

 about sixteen, slightly united at the base; germen supe- 

 rior, four-sided ; nut one-celled, with a crust that has 

 several wings, or many bristles. 



5. PENTAGYNIA (Five Pistils.) 



Gtisrus Calix five-leaved ; corolla none ; nectaries eleven 

 bristles; capsule five-cornered, five-celled, five-valved, 

 containing numerous seeds. 



6. DODECAGYNIA (Twelve or more Pistils.) 



GASTONIA Calix of one leaf, superior, entire; petals six, 

 broad at the base ; fruit of twelve cells ; seeds solitary. 



SEMPERVIVUM, Houseleek Calix twelve-parted; petals 

 twelve ; capsules twelve, many-seeded. 



CLASS XIX. ICOSANDRIA. 



Consisting of Plants having numerous Stamens, about twenty, 

 or more, inserted into the Calix, not into the Receptacle ; 

 and indicates, almost infallibly, that the pulpy fruit which 

 accompanies it, is wholesome. 



1. MONOGYNIA (One Pistil.) 



CACTUS, Indian Fig, Melon Thistle, &;c. Calix one-leafed, 



superior, imbricate ; corolla manifold ; berry one-celled, 



many-seeded. 

 EUGENIA Calix superior, in four deep segments; petals 



four; berry of one cell, with one seed. 

 PHILADELPHUS, Syringa, or Mock Orange Calix four or 



five parted, superior ; petals four or five ; capsule four or 



five celled, many-seeded. 

 PSIDIUM, Guava Calix five-cleft, superior; petals five; 



berry one-celled, many-seeded. 



MYRTUS, Myrtle Calix five-cleft, superior; petals fire; 

 berry two or three celled ; seeds several, gibbous. 



PUNICA, Pomegranate Tree Calix. five-cleft, superior; pe- 

 tals five ; pome many-celled; seeds numerous, pulpy. 



AMYGDALUS, Peach and Nectarine Calix quinquefid, infe- 

 rior; petals five; drupe having a shell perforated with 

 pores; skin pubescent. 



PRUNUS, Laurel, Apricot, Cherry, and Plum Trees Calix 

 five-cleft, inferior; petals five; drupe with a nut, having 

 the sutures prominent. 



PLINIA Calix four or five parted ; petals four or five ; drupe 

 superior, grooved. 



CHRYSOBALANUS, Cocoa Plum Calix five-cleft; petals five; 

 style lateral ; drupe with a five-furrowed, five-valved nut. 



SONNERATIA Calix six-cleft ; petals six, awl-shaped ; berry 

 many-celled, with several seeds in each cell. 



BARTONIA Calix superior, five-cleft, persistent ; corolla of 

 ten petals; capsule cylindric-oblong, one-celled, summit 

 flat, valvular; seeds numerous, compressed, arranged 

 horizontally in a double series. 



CALYBTRANTIIES Calix superior, truncate, covered with a 

 veil-shaped., deciduous lid; corolla none; berry one- 

 celled, one to four seeded. 



CUPHEA Calix ventricose, tubular, six to twelve toothed, 

 unequal ; petals six, generally unequal, inserted upon the 

 calix; capsule with the calix, bursting longitudinally, 

 one-celled; seeds few, lenticular, imbricated. 



ENCALYPTUS Calix superior, permanent, truncated, covered 

 before flowering with an entire lid, which soon falls off; 

 capsule of three or four cells, opening at the top; seeds 

 numerous. 



FABRICIA Calix half superior, with five teeth; petals five, 

 sessile; stigma capitate; capsule of many cells; seeds 

 winged. 



FCETIDA Calix superior, in four permanent segments; 

 corolla none ; capsule woody, of four cells, with one or 

 two seeds in each. 



LAGERSTROEMIA Calix six-cleft, bell-shaped; petals six, 

 curled; stamens very many, the six outer thicker than the 

 rest, and longer than the petals. 



LEPTOSPERMUM, South Sea Myrtle Calix five-cleft, half 

 superior; petals five, with claws, longer than the stamens; 

 stigma capitate; capsules three to five celled; seeds 

 angular. 



MENTZELIA Calix five-cleft, superior, deciduous; petals 

 five ; capsule inferior, one-celled, cylindric, three to six 

 seeded; seeds oblong, partly angular, longitudinally ar- 

 ranged. Plumier. 



METROSIDERAS Calix five-cleft, half superior ; petals five; 

 stamens very long, standing out; stigma simple; capsule 

 three-celled. 



ROBINSONIA Calix five-toothed ; petals five ; berry striated, 

 seven-celled ; cells one-seeded ; seeds villose. 



SCOI.OPIA Calix inferior, three or four parted ; corolla 

 three or four petalled ; berry crowned with the style, one- 

 celled, six-seeded ; seeds arilled. 



TIGAREA Calix beneath campanulate, five-parted ; petals 

 five ; capsule folliculiform, gaping with a lateral suture. 



2. DIGYNIA (Two Pistils.) 



CRAT.EGUS, Wild Service and Hawthorn Trees Calix five- 

 cleft; petals five; berry inferior, two-seeded. 



WALDSTEINIA Calix in ten segments, the alternate ones 

 smaller; petals five; style club-shaped, deciduous; seed* 

 two, obovate, without awns. 



