Xlviii LINN^AN ARRANGEMENT 



CLASS IX.— ENNEANDRIA— 9 Stamens. 



Order I.— MONOGYNIA— 1 PeS<iZ. 



Laurus. Dioecious. Perianth colored, 5 — 6-parted. Fertile stamens 9, 

 arranged in three series, the six outer ones with sim{)le distinct filaments ; 

 'three inner ones with two glands at the base of each. Drupe 1-seeded. 

 LauracecB, p. 305, 



CLASS X.— DECANDRIA.— 10 Stamens. 



■ Order L— M0N0GYNIA.~1 PistU. 



* Flowers regular. 



Vaccinium. Calyx adherent to the ovary, 4 — 5-toothed. Corolla urceo- 

 late, cyUndric, campanulate or somewhat rotate, 4 — 5-cleft. Berry globose, 

 4 — lO-celled, many- (or by abortion few-) seeded. Vacciniacece, p. 221. 



Obs. The remaining genera of this division are included in the Natural 

 Orders, Ericacea, p. 213, and Pyrolacea, p. 224. 



** Mowers irregular. 



Cassia. Sepals 5, scarcely united at base, somewhat unequal. Stamens 

 unequal; 3 upper ones usually abortive; 3 lower ones longer. Legume 

 terete or compressed, many-seeded. Legum,inosa;, p. 89. 



Baptisia. Calyx half 4 — 5-cleft, bilabiate. Petals 5, nearly equal. 

 Standard with the sides reflexed. Wings oblong. Keel slightly incurved. 

 Legume ventricose, pedicelled, many-seeded. Leguminosce, p. 73. 



Cercis. Calyx 5-toothed, gibbous at base. Petals 5, with claws, sub- 

 papilionaceous, all distinct. Wings larger than the standard. Legume 

 oblong, compressed, 1-celled, many-seeded. LeguminosecB, p. 90. 



Order II. -DIGYNIA.— 2 Pistils. 



Hydrangea. Marginal flowers usually sterile. Sterile Fl. Calyx 

 membranaceous, colored, veiny, 4 — 5-parted. Petals, stamens, and pistils 

 rudimentary or none. Fertile Fl. Calyx hemispheric, adnate to the 

 ovary, 5-toothed, Petals 5, ovate. Capsule 2-celled, opening by a foramen 

 between the styles. Hydrangeacece, p. 129. 



Saxifraga. Calyx 5-parted. Petals 5, entire, with short claws. Cap- 

 sule with 2 beaks, 2-celled, many-seeded, opening between the beaks. 

 Saxifragacece, p. 125. 



Chrysosplenium. Calyx adhering to the ovary, the limb of 4 — 5 obtuse 

 lobes. Petals none. Capsule 2-beaked, 2 — 4-valved, at length 1-celled, 

 many-seeded. SaxifragacecB, p. 126. 



TiARELLA. Calyx 5-parted, persistent, with the lobes obtuse. Petals 5, 

 inserted into the calyx, unguiculate, entire. Capsule 1-celled, 2-valved; 

 valves unequal. Saxifragacetz, p. 127. 



MiTELLA. Calyx campanulate, 5-cleft. Petals 5, laciniate or toothed, 

 inserted into the calyx. Capsule 1-celled, 2-valved; valves equal. Saxi- 

 fragacece, p. 127. 



Saponaria. Calyx tubular, 5-toothed, naked at base. Petals 5, ungu- 

 iculate ; claws equaUing the calyx. Capsule 1-celled. CaryophyUaccce, 

 p. 46. 



