294 



The Ohio Naturalist. 



[Vol. II, No. 8, 



ANNUAL rosette; PLANTS. 



Adopogon carolinianuni 

 Bursa bursa-pastoris 

 Camelina saliva 

 Crepis tectorum 

 Crepis virens 

 Draba Carolinian a 

 Draba verna 

 Echiuui vulgare 

 Erigeron annnus 

 Erigeron raniosus 

 Erodium cicutarium 



Geranium carolinianuni 

 Geranium columbinum 

 Geranium molle 

 Geranium pusillum 

 Gnaphalium obtusifolium 

 Leplilon canadense 

 Planlago aristata 

 Plantago virginica 

 Stenophragma thaliana 

 Thlaspi arvense. 



PERPETUAL ROSETTE PLANTS. 



Adopogon virginicum 

 Arnoseris minima 

 Bellis perennis 

 Geum vernum 

 Hieracium pilosella 

 Houstonia coerulea 

 Hypochaeris glabra 

 H^-pochaeris radicata 

 Lavauxia triloba 



Leontodon autumnale 

 Leontodon haslilis 

 Plantago cordata 

 Plantago lanceolata 

 Plantago major 

 Plantago rugellii 

 Taraxacum erythrospermum 

 Taraxacum taraxacum 

 Tetraneuris acaulis. 



PERENNIAL PLANTS WHICH FORM TEMPORARY ROSETTES. 



Achillea millefolium 

 Antennaria fallax 

 Antennaria neglecta 

 Antennaria plantaginifolia 

 Antennaria parlenii 

 Antennaria parlenii ambigens 

 Antennaria parlenii arnoglossa 

 Campanula rapunculoides 

 Campanula rotundifolia 

 Carduus arvensis 

 Chr\santliemum leucanthemum 

 Erigeron philadelphicus 

 Erigeron pulchellus 

 Geum rivale 

 Geum striclum 

 Geum virginianum 

 Hieracium gronovii 

 Hieracium scabrum 



Hieracium paniculatum 

 Houstonia ciliolata 

 Houstonia longifolia 

 Houstonia purpurea 

 Houstonia tenuifolia 

 Lobelia kalmii 

 Polemonium reptans 

 Rumex acetosella 

 Samolus floribundus 

 Saxifraga pennsjdvanica 

 Saxifraga virginiensis 

 Sedum ternatum 

 Senecio aureus 

 Senecio balsamitae 

 Senecio obovatus 

 Valeriana edulis 

 Valeriana panciflora 

 Valeriana sylvatica. 



Imperfect rosettes are formed by members of the following 

 genera : 



Viola Aletris 



Hottonia Clintonia 



Sarracenia Spathyema 



Drosera Peramium 



Rumex P^■rola 



Osmunda Parnassia 



Dryopteris 



Alisma. 



