290 OX SEEDLINGS 



Cotyledons narrowly spathulate, obtuse, glandular-pubescent, 

 petiolate, subfleshy with an indistinct midrib, but no other nerves 

 discernible, pale green, l'G-1'9 cm. long including petiole, 3-3*5 mm. 

 at the widest, similar to the primary leaves in every respect. 



Stem erect, terete, herbaceous, ultimately shrubby, glandular- 

 pubescent, pale green ; primary internodes irregular, short. 



Leaves simple, cauline, alternate, exstipulate, petiolate, glandular- 

 pubescent on both surfaces, subfleshy, pale green, with a midrib 

 slightly sunk on the upper, and slightly prominent on the under 

 surface, no other nerves discernible in the seedling stage, tapering 

 into the petiole ; petiole slightly channelled above, similar to the 

 tissues of the leaf and similarly pubescent. 



Nos. 1-17 inclusive. Narrowly spathulate, obtuse, entire, some- 

 what convex above and concave beneath, narrowed insensibly into 

 the petiole. 



SOLANACE.E. 



Bentb. et Hook. Gen. PL ii. 882. 



Fruit and Seed. The ovary is superior and two- or rarely 

 three- to five-celled or four-celled by the development of spu- 

 rious septa as in Datura Stramonium and others. The ovules 

 are nearly always very numerous in each cell and attached to 

 large peltate, or massive, solid, and fleshy axile placentas ; they 

 are also arranged in many series, and anatropous or sometimes 

 amphitropous. Sometimes but rarely they are few, and very 

 rarely solitary and fixed to the middle of the septa. The 

 fruit is very often baccate, but is sometimes capsular, dehiscing 

 eircumscissly above the middle, or septicidally by two entire 

 or bifid valves, leaving the placentas naked or cohering more 

 or less with them. The seeds are mostly very numerous, with 

 a membranous or crustaceous rugose or sometimes almost 

 muricate testa ; more rarely the testa is dilated into a wing 

 surrounding the seed. A fleshy endosperm is present. The 

 embryo is most frequently narrow, terete, strongly incurved, 

 circular, or subspiral with cotyledons shorter than the radicle 

 and in the more typical members of the Order not broader 

 than it. In the Cestrineae and the Salpiglossidae the embryo 

 is straighter, more central, and the cotyledons are often con- 



