514 
AMERICAN JOURNAL OF BOTANY 
[Vol. io. 
Type the commonest or best-known species. 
Group 3. 
Kaempfera galanga 
Boerhavia diffusa 
Salicornia europaea 
Olea europaea 
Lycopus europaeus 
Milium effusum 
Melica nutans 
Briza media 
Cynosurus cristatus 
Festuca ovina 
Elymus sibiricus 
Halosteum umbellatum 
Mollugo verticillata 
Queria hispanica 
Blitum capitatum 
Group 4. Type based on the citation in the Genera Plantarum. 
Canna indica 
PJtyllyrea latifolia 
Iris germanica 
Cyperus rotundus 
Group 5. One of the residual species. 
Amomum cardamon 
Curcuma longa 
Corispermum hyssopifolium 
Nyctanthes arbor-tristis 
Chionanthus virginicus 
Circaea lutetiana 
Zizophora capitata 
Monarda fistulosa 
Anthoxanthum odoratum 
Antholyza cunonia 
Summary 
Genera with a single original species. 28 
Genera with more than one original species. 7 2 
Group 1. Type based on specific name. 12 
Group 2. Type an economic species. 13 
Group 3. Type a well-known species. 15 
Group 4. Type based on citation in Genera Plantarum. 7 
Group 5. Type a residual species. 19 
Special cases. 6 
Total. 100 
Bureau of Plant Industry, 
Washington, D. C. 
Scirpus lacustris 
Bromus secalinus 
Eriocaulon decangulare 
Schoenus nigricans 
Eriophorum vaginatum 
Nardus stricta 
Phalaris canariensis 
Uniola paniculata 
Lechea minor 
Cephalanthus occidentalis 
Stipa pennata 
Arundo donax 
