72 .NATURAL CLASSES. 



sometimes simple stem, wood often spnngy, 

 I^'icus^ Carica, Adansonia / Varia 'f 



C. PiPEROMEs, Leafy vines, or jointed stem, 

 leaves alternate, Piper. 



7. Viscoses, Stem articulated, opposite 

 leaves, Viscum. 



8. Ephedromes, Stem articulate, no leaves, 

 Ephedra^ Casuarina. 



III. Class. Sarcomes. Perennial fleshy 

 plants not woody, but thick or juicy, seldom 

 hardened to soft wood (like Opuntia) but per- 

 manent anomalous forms, seldom a stem and 

 leaves, vessels hardly concentric. Roots fleshy, 

 dissimilar scanty. 



9. Phorbomes, Massive unbranched not ar- 

 ticulated. Euphorbia. 



10. Stapelomes. Massive branched articulate 

 Stapelia, Salicornia. 



11. Cactomes, Jointed, branching or with 

 fleshy leaves, Cactoides. 



IV. Cass. Perennials or true plants. Root 

 and Stem dissimilar. Root perennial woody or 

 tuberose or fleshy concentric. Stems annual, 

 concentric or hollow, with leaves or scales. In 

 fact here the roots are subterranean small trees 

 or sarcomes, and the stems mere annual shoots 

 or branches ; thus they may be subdivided like 

 Trees into 



12 Volomes with compound foliage, Lathy- 

 rus. 



13 Trochomes with verticiflate foliage, often 

 joints, Rubia, Frasera. 



14 Diplomes with opposite foliage, often 

 joints, Silene, Salvia. 



15 Spiromes with spiral foliage, Borrago, 

 Hesperis. 



V. Class. Scapigeres or Scapose perennials. 



