April, 1909.] Uncultivated Fiber Plants of Ohio. 481 



pillows; Hordeum vulgare Bailey; Phragmites phragmites (L.) 

 Karst. — The structural fiber is used in Mexico for mats to cover 

 houses; Secale cereale L. ; Spartina cynosuroides (L.) Willd. ; 

 Sporobolus cryptandrus (Torr.) A. Gr. — It is also used for paper; 

 Triticum sativum Lam. ; Zea mays L. — Also used in upholstery and 

 for paper; Eleocharis palustris (L.) R. & S.; Scirpus lacustris L. ; 

 Eriophorum polystachyon L. — Also used for paper; Juncus 

 efifusus L. ; Yucca filamentosa L. 



Dicotylae; — Melilotus alba Desv. 



Bast Fibers. 



Dicotylae: — Populus deltoides Marsh; Salix spp. — Used also 

 in the manufacture of willow ware ; Morus rubra L. ; Morus alba L. ; 

 Humulus lupulus L. — This is used also for paper; Cannabis sativa 

 L. ; Urtica dioica L. ; Urtica gracilis Ait. ; Urticastrum divaricatum 

 Kuntze; Asimina triloba (L.) Dunal. — The inner bark stripped 

 from the branches is used by fishermen to string fish and bv 

 Indians for withes, strings and nets; Camelina sativa (L.) 

 Crantz; Robinia pseud-acacia L. — Used also for paper; Linum 

 usitatissimum L. ; Celastrus scandens L. ; Tilia americana L. — 

 Used as rough cordage and coarse woven mattings ; Althaea offi- 

 cinalis L. ; Althaea rosea Cav. ; Malva sylvestris L. ; Malva rotun- 

 difolia L. — These two species of Malva are very widely used; 

 Abutilon abutilon (L.) Rusby. — The fiber is sold as a sulastitute 

 for jute and the cellulose is used as paper stock; Hibiscus mos- 

 cheutos L. ; Chamnerion angustifolium (L.) Scop. ; Apocynum 

 cannabinum L. ; Asclepias syriaca L. — The fiber is ranked between 

 that of flax and hemp. The hairs from the seeds are used in 

 this country in stuffing beds. In Russia 20% of Asclepias hairs 

 mixed with 80% wool are manufactured into a cloth called silver 

 cloth. Used alone the hairs are too smooth to weave; Asclepias 

 incarnataL. — Used for all purposes to which hemp can be applied; 

 Ambrosia trifida L. ; Solidago canadensis L. ; Helianthus annuus L. 

 —Used also for rough wrapping paper; and Helianthus tuberosus 

 L. 



