328 PBAOTIGAL BOTANY. 



2. Cnidoscolus, Pohl. Spurge-Nettle, i^ecies: 



Cnidoscolus stimulosa, Gray. 

 {Tread-Sojily.) 



3. Acahjpha, L. Three-seeded Mercury, i^ecies 3. 



4. Tragia, Plum. Species 3. 



5. Stillingia, Garden. Species : 8, sylvatica, L. 



6. Croton, L. Species 3. 



7. Crotonopsis, Mx. Species : C. linearis, Mx. 



8. JPhyllanthus, L. Species : Ph. Carolinensis, Walt. 



9. Pachysandra, Mx. Species : P. procumbens, Mx. 



ORDER cm. 



empeteaceie, oe ceowbeeeies. 

 Genera : 



1. .E^^e<r^<»^, Tourn. Crowberry. Species: 



Empetrum nigrum, L. Black Crowberry. 



2. (7ore?wa, Don. Species: Corema Conradii,Torr. 



ORDER CIV. 



UETICACB^, OE NETTLEWOETS. 



StJB-OEDEE I. — XJlmacem. Elmworts. 

 Geneea : 



1. Ulmus^'L. Elm. Species^. 



2. Planera, Gmel. Planer-Tree. Species : 



PI, aquatica, Gmel. 



3. Celtis, Toum. Nettle-Tree. Hackberry. Species 2. 

 SuB-OEDEE II. — Artocarpem. Artocarps. 



Genus : 



4. Moms, Toum. Mulberry. Species 2. 



SuB-OEDEE III. — Urticece. The true Nettles. 



5. Urtica, Tourn. Nettle. Species 4. 



6. Laportea, Gaud. Wood-Nettle. Species : 



Laportea Canadensis, Gaud. 



