400 OX SEEDLINGS 



Endosperm abundant, fleshy or somewhat horny when dry, 

 subtransparent. 



Embryo straight, colourless, embedded in endosperm and falling 

 a little short of the length of the seed ; 

 cotyledons narrowly oblong or linear, 

 obtuse, plano-convex, closely applied 

 face to face transversely to the axis, 

 but in the narrow way of the seed, 

 with their edges to the placenta and 

 FIG. BOO. Plantago lanceolata, towards the dorsal and ventral face of 

 xi2. Transverse section of tne see ^ shortly petiolate or tapered 



seed : C, cotyledon ; T, testa ; ' '.* 



E, endosperm; VF, ventral downwards ; radicle oblong, obtuse, 

 face - shorter and considerably narrower than 



the cotyledons, inferior, tapering downwards. 



Plantago stricta, Schousb., is very similar to P. lanceolata. 



Plantago maritima, L. 



Ovary two-celled, with one ovule in each cell. 



Capsule narrowly ovoid, two-celled, two-seeded, dehiscing cir- 

 curnscissly about one-third from the base ; the upper part carrying 

 with it the placentas and seed. 



Seed oblong-lanceolate, biconvex, or slightly flattened on the 

 ventral face. 



Embryo straight, large, and nearly occupying the whole of the 

 interior of the seed ; cotyledons with their edges to the axis. 



NYCTAGINE.E. 



Benth. et Hook. Gen. PI. iii. 1. 



Fruit and Seed. The superior ovary is included in the tube 

 of the perianth, and is one-celled with a solitary, basal, erect, 

 carnpylotropous ovule. The fruit is a thin, membranous and 

 indehiscent utricle, enclosed in the base of the persistent and 

 now leathery, fleshy or hardened perianth which is termed the 

 anthocarp. The latter is ribbed, furrowed, angled or winged, 

 sometimes mucilaginous, sometimes garnished with stalked 

 glands. The pericarp is sometimes thin and leathery or 

 fleshy. The seed is erect and has a thin hyaline testa, or 



