28 FAM. 20, 21. 



brum) and in winter Italian Rye grass (Lolium Italicum) or English Rye grass (Lolium 

 perenne, Darnel.) 



20. Arecaceae, Palm Family. 



Shrubs or trees with an erect or horizontal caudex 

 growing by a single terminal bud; leaves at the end of the 

 stem; petioles imbricated at the base; blades plaited in 

 the bud, fanshaped in our wild species; flowers in a decom- 

 pound spadix; sepals 3, petals 3, stamens 6, carpels 3, united 

 or distinct. 



1. Petioles concave above, sharp-edged, ______ Sabal 



S. glabra (Adansonii), Dwarf Palmetto. Low shrub with subterranean stem; 



leaves clustered, glaucous or pale green, blades longer than the petioles; 

 drupes black, globose. Low ground. Summer. 

 S. Palmetto, Cabbage Palmetto. Tree; leaves several, spreading or drooping, 

 deep green and lustrous; blades as long as the petioles; drupes black, 

 subglobose. Low ground and cultivated. Summer. 



2. Petioles armed on the edges with rigid spine-like teeth, - - _ Serenoa 



S. Serrulata, Saw Palmetto. Shrub with creeping stem; leaves ascending or 

 erect, light green; petioles longer than the blades; drupes black, ovoid. 

 Spreading in sandy soil. Summer. 



3. Petioles 3-angled, woolly beneath, the edges denticulate, - Rhapidophyllum 

 R.(Chamaerops) Hystrix, Blue Palmetto, Needle Palm. Shrub with erect or 



creeping stem; sheaths of fibres interwoven in the stout spines; drupes 

 red, ovoid. Shady pine-land. Early summer. 

 Several Palms are cultivated in tubs and in Winter indoors, or in open ground, 



especially species of the following genera: 

 In open ground: 



With pinnate leaves; Cocos (Alphonsii, Bonnetti, coronata, plumosa), and 

 Phoenix or Date-palms (Canariensis, pumila, reclinata, and sylvestris.) 

 With fanshaped leaves; Chamaerops {excelsa and hutnilis), and Neo- 

 Washingtonia sonorae, Thread-palm. 

 In tubs: 



With pinnate leaves: Areca; Caryota (mitis and wens), Fishtail or Toddy 

 palms; Kentia forsteriana; Seaforthia elegans; Cocos Weddell- 

 iana and Phoenix rupicola. 

 With fanshaped leaves: Latania, Chinese Fan Palm; Livistonia rotundi- 

 folia; Thrinax barbadensis and T. radiata. 



21. Araceae, Arum Family. 



Mostly acaulescent fleshy herbs with rootstocks or 

 tubers; flowers on a thick spadix, the sterile above the 

 fertile; spadix with a spathe; stamens 4-10, with short 

 filaments; carpels 1-several, united; fruit a berry or utricle. 



1. Flowers monoecious or dioecious, perianth wanting, - - - - - 2 



1. Flowers perfect, perianth scale-like, .--_-___4 



2. Spadix free, with numerous fertile flowers, ______ 3 



2. Spadix adnate to the spathe, one fertile flower, - Pistia 



