IV. BENGAL PLANTS. 
A.—PHANEROGAMIA. 
I.—THALAMIFLOR&. 
Sepals herbaceous, rarely petaloid, distinct, imbricate or valvate, 
or connate in a tube with imbricate or valvate or open lobes, free 
or, rarely, with the base of the tube adnate to the base of the 
ovary, Torus small, or raised or stalk-like, or thickened and fleshy 
or crowned by a disk, annular or cupular or flattened, entire or 
lobed or broken into glands, free or adnate to calyx and ovary, or 
to ovary alone, rarely to calyx alone. Petals 1-2-seriate, unlike 
the sepals, or 2-many-seriate passing gradually from the sepals, or 
as many as sepals or fewer by abortion, inserted on the torus or 
adnate to the base of the calyx external to the disk, or sometimes 
when disk absent adnate at the base to the stamens. Stamens 
humerous or few, inserted on the torus or rarely on the base of 
the calyx, free or adnate to base of petals, or few and inserted 
around, upon or within the disk. Carpels free or connate. or 
rarely more or less embedded in the fleshy torus, or immersed 
in the thickened disk. 
Order I. RANUNCULACEZ. 
Herbs, rarely shrubs, annual or perennial; leaves radical or 
alternate, rarely opposite ; simple, rarely compound ; stipules 0, 
or adnate to petiole. Flowers regular or irregular, hermaphrodite 
or l-sexual, Disk very rare (Paonia only). Sepals 5 or more, 
rarely 2-4, deciduous, often petaloid, imbricate, rarely valvate in 
bud. Petals 0, or 5 or more, rarely 8, often maleate or deformed. 
Stamens many, hypogynous; anthers iscence 
tudinal, Claraly ane, cancis, 1, walt Oe, Coat stigma 
simple ; ovules 1 or more on ago ventral suture, — 
* 
