590 PLANTS JAVANICiE RA1UORES.
��Beslerie^e.
Calyx liber. Pericardium baccatum v. capsulare. Semina albuminosa.
Cyrtandre^e.
Calyx liber. Pericarpium capsulare v. baccatum. Semina exalbuminosa v. albumine parco.
Obs. The following remarks relate to the modifications of the different parts of fructification in Cyrtandrece and their relative importance in characterising genera.
The Calyx admits of every degree of depth of division. Its segments are generally acute, always so when divided to the base ; and wherever acute the aestivation appears to be valvular. In several cases where the calyx is tubular, particularly in the greater part of true Didymocarpw, and in one of the sections of Mschynanthus, the segments are rounded, and the aestivation necessarily overlapping. The tubular calyx, when accompanying an elongated capsule, is generally thrown off or separates tranversely at the base, except in the few cases in which the capsule is pedicellated. The deeply divided calyx of the genera with elongated capsules is persistent ; as it also is, whether deeply divided or tubular, in all those with short capsules and in the n3] baccate genera. None of these modifications appear to be of generic value, though some of them form the principal characters of very natural sections of genera.
The tube of the Corolla varies greatly in length, but its various proportions, either with respect to the limb or calyx, are seldom of generic importance; a difference of this kind, however, forms the only distinguishing character between Bcea and Streptocarjms. The limb varies con- siderably in form, direction, and proportion of lips ; but the most important modification occurs in Glossanthm and Lozotis, in both of which the lateral lobes of the lower lip are obsolete ; or, in the former genus, perhaps, altogether
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