1921] ARBER—AMARYLLIDS 103 
N. Jonquilla, N. biflorus, N. poeticus, and N. Tazetia; that is, in at 
least one species from each of the five sections of the subgenus 
Eunarcissus. The leaf of N. Tazetta may be taken as a type (fig. 3). 
In this species there is a single series of main bundles lying roughly 
midway between the upper and lower epidermis (7b), and a series 
of smaller bundles lying near the lower epidermis (nb’). These 
6. 
Fics. 1-6.—Fig. 1, Narcissus sp. (garden var.): leaf showing relation of sheath - 
to limb : staies Xo.5; fig. 2, Narcissus sp. (garden var.): young leaf, slightly 
more than 1 mm. long showing predominance of sheath; fig. 3, N. Tazetta L.: trans- 
verse section of limb of leaf, X14; fig. 4, NV. Bulbocodium L.: transverse section of 
limb of leaf, x23; fig. 5, N. monophyllus, T. Moore.: transverse section of limb of 
leaf, X23; fig. 6, Zephyranthes candida Herb.: transverse section of limb of leaf, X14; 
1, limb; 6, sheath; nb and nb’, series of normally orientated bundles; ib, series o 
inverted bundles (xylem in black, phloem in white, and outlines of lacunae in dotted 
ine), 
Zephyranthes 
Strands are all normally placed with the xylem upward. In addition 
there is a series of inverted bundles (ib) toward the upper surface. 
N. triandrus has a slender grooved leaf with peripheral bundles, 
whose xylem faces inward. The leaf anatomy of N. Tazetta and 
