ALLIANCES OF PLANTS. 



209 



SUBCLASS II. INCOMPLETE. 



These comprehend the following groups : 



1 . Rectembryosce. Calyx very imperfect. Embryo straight. 



2. Acklamydosce. Calyx and corolla altogether absent. 



3. TMferoscB. Calyx tubular, often resembling a corolla (and with 



none of the characters of the other groups). 



4. ColumnosfB. Stamens monadelphous, and ovary many-(six-)celled ; 



or, at all events, the latter character combined with an epigynous 

 flower. 



5. Curvembryosce. Embryo curved round albumen ; or having the form 



of a horseshoe ; or spiral (calyx rarely tubular). 



GROUP I. RECTEMBRYOSyE. 



Alliance 1. Amentales. Flowers in catkins. Carpels several. 



Female flowers surrounded 1 20. Corylaceae or Cu- Bark astringent 

 by a cupule. puliferae. (Oak). 



Female flowers arranged in 121. Betulacese . Ditto, 

 scaly catkins. 



Alliance 2. Urticales. Carpel solitary, or several. Stems 

 continuous, without sheaths. 



Leaves opposite. Calyx su- 122. Garryaceae. 



perior. 

 Leaves opposite. Calyx in- 123. Hensloviaceae. 



ferior. 

 Leaves rough. Anthers 



bursting longitudinally. 



124. Urticaceae 

 Morese 

 Artocarpeae 



Ceratophylleae. 

 Anthers bursting trans- 125. Stilaginaceae. 



versely. 

 Insipid plants with hypo- 126. Empetracese 



gynous flowers. 

 Aromatic plants with hypo- 127. Myricaceae 



gynous flowers. 

 Balsamic plants with epi- 128. Juglandaceae 



gynous flowers. 



Narcotic, tough 



(Hemp). 



Fruit eatable (Mul- 

 berry). 



Milky, juice poison- 

 ous ( Upas) ; fruit 

 eatable (Fig). 



Slightly acrid. 

 Aromatic, tonic. 



Fruit eatable, laxa- 

 tive (Walnut). 



N.B. The stigma of Empetrum and its hypogynous scales seem, among other things, 

 show that the true affinity of that plant is with Myrica. It is a sort of transition to 



to 

 Euphorbiaceae. 



