60 FLORA OF GRAND RAPIDS. 



LAPORTEA (iaud. Woou-Nkttlk. 

 Urtlaislnim Fubr. 



483. L. Canadensis Gaud. 



U. dliHtricatiini (L.) Kuntze. 

 Common in low woods. July-Sept. 



PILEA Lindl. KiciiwKKD. Clearweed. 

 Adi'cea Raf, 



484. P. pumila Gray, Richweed. Clearweed. 

 Moist woodlands. Common. July-Sept. 



URTICA L. Nettle. 



485. U. gracilis Ait. 

 Common. July-Aug. 



SANTALACEAE. Sandalwood Family. 



COMANDRA Nutt. Bastard Toad-flax. 



486. C. umbellata Nutt. 



Dry soil, fields, and copses; common. May-June. 

 "Indifferently parasitic on roots." 



ARISTOLOCHIACEAE. Birthwort Family. 

 ASARUM L. AsARABACCA. Wild Ginger. 



487. A. Canadense L. 



In rich moist woods and ravines; frequent. May. 



POLYQONACEAE. Buckwheat Family. 



FAQOPYRUM Gaertn. Buckwheat. 



488. F. esculentum Moench. Buckwheat. 

 jP. Fagopyrwm (L.) Karst. 



Persists in fields after cultivation. Aug. 



POLYGONELLA Michx. 



489. P. articulata Meisn. 



In dry sand; infrequent. Aug.-Sept. 



