46 GLASS Vlil. ORDER lit 



CLASS VII. HEPTANDRIA. 



ORDER I. MONOGYNIA. 



Trienta'lis. Calyx 7-leaved ; corolla 7-parted, equal, flat ; berry juiceless, !• 

 celled, mauy-seeded ; number of stamens variable, (chick-wintergreen.) 



iE'scuLus. Calyx inflated, 4 or 5-ioothed; corolla 4 or 5-petalled, inserted on 

 the calyx, unequal, pubescent ; capsule 3-celled ; seeds large, solitary, chestnut- 

 form, (horse-chestnut.) S. 



ORDER IV. TETRAGYNIA. 



Sauru'rus. Calyx in an ament or spike, with 1-flowered scales; corolla Oj 

 anthers adnate to the filaments; germs 4; berries or capsules 4, 1-seeded ; sta- 

 mens 6, 7, 8, or more, (lizard-tail.) 



CLASS VIII. OCTANDRIA. 



ORDER I. rvIONOGYNIA. 



A. Flotvers superior. 



Rhex"ia. Calyx ventricose-ovate at the base, limb 4-cleft ; petals 4, ovate} 

 capsule included in the calyx, 4-ce!led; seeds numerous, cochleate. (deer-grass.) 



Gaura. Calyx 4-cleft, tubular; Corolla 4-petalled, ascending towards the up-; 

 per side; nut4-cornered, seeded. (Virginian loose-strife.) 



CEno'thera. Calyx 4-cleft, tubular, caducous, divisions deflected ; petals 4, 

 inserted on the calyx; stigma 4-cleft; capsule 4-celled, 4-val'ved; seeds not 

 feathered, affixed to a central 4-sided columella, (scabish, or evening-prim- 

 rose.) 



Epilo'bium. Calyx 4-cleft, tubular ; corolla 1-petalled ; capsule oblong and of 

 great length ; seeds feathered, (willow-lierb.) 



OxYCoc"cus. Calyx superior, 4-toothed ; corolla 4-parted, the divisions sub- 

 linear, revolute ; filaments converging ; anthers tubular, 2-parted, berry many- 

 seeded, (cranberry.) 



Fuscn'siA. Calyx funnel-form, colodrsd, superior, caducous; petals (or nec- 

 taries) 4, sitting in the throat of the calyx, alterhating with its divisions; stig- 

 ma 4-sided, capitate; berry oblong, 4-celled ; seeds numerous, (ear-drop.) 



Clark"ia. Calyx 4-cleft, tubular; corolla 4-petalled, 3-lobed, cruciform^ 

 petals with claws; stamens 4; stigma petal-like, 4-lobed; capsule 4-celletl' 

 (beautiful clarkia, false tree-primrose.) 



B. Floivers inferior. 



Menzie'sia. Calyx deeply 5-cleft ; corolla l-petallfed, ovate, 4 to 5-cleft ; sta- 

 mens inserted into the receptacle; capsule 4-celled; seeds numerous, oblong. 



Dir"ca. Perianth coloured, campanulate, border obsolete; stamens unequal, 

 exserted ; berry 1-seeded (leather-wood.) 



Jefferso'nIa. Calyx 4-se|)alled ; petals 8 ; capsule obvate, opening below thS 

 top. (twin-leaf) 



A'cER. Polygamous; sometimes hexandrous; calyx 5-cleft; corolla 4 or 5- 

 petalled, or Wanting; samaras 2, united at the base, 1-seeded, often 1 rudiment 

 of a seed, (maple.) 



Eri'ca. Calyx 4-leaved, permanent; corolla 4-cleft, permanent; filaments 

 inserted on the receptacle; dnthers bifid ; capsules membranaceous, 4 to 8-cell- 

 ed, the partitions form the margins of the valves; seeds many iu each celL 

 (heath.) Ex. 



Daph"ne. Calyx ; corolla 4-cleft; withering, including the stamens ; drupe 

 1-seeded. (mezereon.) EX. 



Trop^o'lum. Calyx 4 or 5-cleft, coloured, spurred; petals 4 or 5, unequal J 

 nuts leathery, sulcate. (nasturtion.) Ex. 



Elliot"tia. Calyx 4-toothed, inferior; corolla deeply 4- parted ; stigma capi^ 

 iate. (false-spiked alder.) S. 



Am^ris. Flowers perfect ; caly± 4-toothed ; petals wedge-fofm, longer than 

 the stamens; germ 1-celled ; stigma sessile. 



ORDER II. DIGYNIAi 



Chrysosple'nium. Calyx superior, 4 or 5-cleft, colouted ; corolla 0; capsule 

 2-beaked, l-celledj many-seeded, (golden saxifrage, water-car])et.) 



ORDER III. TRIGYNIA, 



PoirG"oNUM. Calyx infeiior, 5-parted, coloured; corolla 0; seed 1, angular, 



