LINN^AN ARRANGEMENT 



CLASS IX. ENNEANDRIA. 9 Stamens. 

 ORDER L MONOGYNIA. 1 Pistil. 



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

 arranged in three series, the six outer ones with simple distinct filaments ; 

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

 Lauracea, p. 305. 



CLASS X. DECANDRIA. 10 Stamens. 

 ORDER L MONOGYNIA. 1 Pistil. 



* Flowers regular. 



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

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

 4 10-celled, many- (or by abortion few-) seeded. Vacciniacece, p. 221. 



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

 Orders, Ericaceee, p. 213, and Pyrolacece, p. 224. 



** Flowers 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. Leguminoste, 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. Ljeguminostf, 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. Leguminosea, 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. 

 Saxifragacea, 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. Saxifragacece, 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. Saxifragacete, p. 127. 



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

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

 fragacetz, p. 127. 



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

 iculate; claws equalling the calyx. Capsule 1-celled. CaryophyUacca, 

 p. 46. 







