414 Sir E. F. Bromhead's Attempt to ascertain 



Carpels 2, free from the calyx. Style 1. Fruit nucamen- 

 taceous or capsular (Hydrophyllaceas). 



18. SoLANALES. — Herbaceous or frutescent or parasitic ; 

 leaves rarely absent (Cuscutaceas), alternate ; stipules 0. Calyx 

 of 4 or 5 divisions, odd one superior, persistent. Corolla hy- 

 pogynous, of 4 or 5 divisions, monopetalous, not twisted. SUt' 

 mens as many as the coroUine divisions, alternating, adhering 

 to the corolla. Carpels (if 2) having the midrib facing the odd 

 sepal, free from the calyx, connate with each other (if not ex- 

 ceeding 4). Seeds (if definite) and erect or ascending, more or 

 less albuminous, without a loose arilliform testa. 



19. Gentianai.es. — Not arboreous, not lactescent, not aro- 

 matic, nodes perfect ; leaves rarely absent (Leiphaimos), simple, 

 entire ; stipules (exc. some Spigeliaceoe). Sexes united ; in- 



Jlorescence not gyrate. Sepals 4-8, connate with each other, 

 persistent. Co7-olla hypogynous, of as many divisions as the 

 calyx, alternating, monopetalous, not plicate. Stamens adhe- 

 ring to the corolla, not exceeding the corolline divisions, alter- 

 nating ; anthers bilocular ; pollen usually of a ternary struc- 

 ture. Carpels 2, free from the calyx, tlie carpellary midrib al- 

 ternate witli the odd sepal, connate with each other. Styles 

 more or less connate. Seeds small, without arillus. Albumc7i 

 fleshy, enclosing the embryo ; embryo straight ; radicle to the 

 hilum ; cotyledons foliaceous in germination. 



SO. Ai'ocYNALES. — Not aromatic, inclining to be knot-arti- 

 culate ; leaves rarely absent, not regularly alternate, simple, 

 undivided, quite entire at the margin ; stipules or cilia or 

 glands interpetiolar (if any). Sexes united ; irijtorescence not 

 gyrate. Calyx of 4-6 divisions, persistent. Corolla of 4-10 

 divisions, not fewer than those of the calyx, alternating when 

 of the same number, monopetalous, not plicate, deciduous. 

 Stamens adhering to the corolla, not exceeding the corolline 

 divisions ; anthers not unilocular. Carpels 2, the midrib al- 

 ternate with the odd sepal. Stigmas more or less connate. Pla- 

 centa at the suture when the cai'pels are distinct, or centi'al 

 when the carpels are connate, or free ; ovules indefinite, or 

 otherwise solitary. Albumen (if present) enclosing the em- 

 bryo ; cotyledons foliaceous in geri;nination. 



Inclining to a warm habitat. 



21. Galiales, Injlorescence not gyrate. Odd calycine di- 



