MR. J. G. BAKER ON SCILLEÆ AND CHLOROGALEZ, 211 
Usually the leaves are fleshy in texture and die down soon after 
the flowers fade; but in a few Ornithogalums and Urgineas and 
in Chlorogalum and Nolina they are firmer and more durable, 
In shape they are mostly linear or lorate, more or less decidedly 
channelled down the face. Ina few species of Seilla and Dri- 
miopsis they are dilated out into a broad blade with a distinct 
channelled petiole; and in several species they are subterete or 
filiform. Ornithogalum unifolium and anomalum and Scilla mono- 
phylla have normally only a single leaf to a stem; several species, 
of which Scilla bifolia is a familiar example, have a pair; but the 
ordinary number is from half a dozen to a dozen. 
Stem.—The stem is quite naked in all the genera except Volina 
and Chlorogalum, in which it has merely a few bract-like much re- 
duced leaves below the panicles. 
Inflorescence.—Throughout the majority of the Scilleæ the in- 
florescence scarcely varies from a typical raceme. In two of the 
groups of Ornithogalum it becomes decidedly corymbose ; and in 
Drimiopsis it is almost condensed into a spike. The dichoto- 
mously forked sterile branchlets of Bowiea are very curious and 
unique. In Chlorogalum and Nolina we have a panicle with a few 
laxly racemose branches, just that which is common in the Anthe- 
ricee, to which these two genera also approximate by having their 
pedicels distinctly articulated at the apex. 
Bracts.—The bracts are very rarely obsolete, and often furnish 
good characters to distinguish closely allied species or groups. 
In Scilla, for instance, we have species with minute deltoid or pro- 
minent linear or lanceolate solitary bracts—and in a few species a 
pair to each pedicel, one large and the other much smaller. In 
Urginea the bracts are mostly distinctly spurred—in some species 
at the base, and in others some distance above it. In Whiteheadia 
each flower is subtended by a large, cordate, amplexicaul, greenisb, 
membranous bract, which quite enwraps it. In .Eweomis the 
raceme is crowned by a rosette of twenty or thirty flowerless 
bracts of leaf-like texture. 
Perianth.—It is from the divisions of the perianth that we get 
the best characters for genera and groups. The calycine and 
corolline three are decidedly dissimilar only in 4/buca, in which 
the three inner ones are distinctly incurved and furnished with a 
pubescent callus at the point, and are wrapped down permanently 
over the stamens and stigmas. In many groups, especially in 
Drimiopsis and Scilla, section Ledebouria, one or both sets of 
