No. 14.] FLOWERING PLANTS AND FERNS. 431 



Abutilon pictum (Gill.) Walp. 

 Hibiscus esculentus L. 



Group 2. 



Annual or biennial species cultivated either for use or orna- 

 ment, that persist for a year or two in the locality where culti- 

 vated or where the seeds may be accidentally scattered ; perennials, 

 often grown for ornament, that rarely escape and maintain them- 

 selves for a few years and later disappear ; and species that appear 

 spontaneously but remain only a year or two. 



Polypogon monspeliensis (L.) Desf. 



Avena sativa L. 



Cynodon Dactylon (L.) Kuntze. 



Secale cereale L. 



Triticum sativum Lam. 



Hordeum vulgare L. 



Cyperus fuscus L. 



Juncus brachycarpus Engelm. 



Sisyrinchium albidum Raf. 



Fagopyrum esculentum Moench. 



Beta vulgaris L. 



Portulaca grandiflora Hook. 



Papaver Rhoeas L. 



Argemone alba Lestib. 



Argemone mexicana L. 



Lobularia maritima (L.) Desv. 



Lepidium sativum L. 



Raphanus sativus L. 



Brassica Napus L. 



Brassica Rapa L. 



Brassica oleracea L. 



Lunaria annua L. 



Cleome spinosa L. 



Reseda alba L. 



Cytisus scoparius (L.) Link. 



Trifolium incarnatum L. 



Glycyrrhiza lepidota (Nutt.) Pursh. 



Geranium dissectum L. 



Anethum graveolens L. 



