74 NEW SYLVA 



opulif. Dec. and many botanists. Var. glabra 

 Hooker. Cluite smooth, branches angular ci- 

 nereous, leaves ovate trilobe, petiolate, dentate 

 or crenate, corymbs terminal, bracts ovatobiong 

 pedicels smooth, calix smooth obtuse, capsules 

 smooth compressed at the end — Mts. of East 

 Europe, Sibiria and Origon. Very distinct 

 from the laot by many characters, entitled to be 

 a species, seeds obovate yellow. 



670. Physoc. tomentosa Raf. Sp. capitata 

 Pursh, Eat. Sp. opulif. var. tomentosa Hook, 

 fl. Leaves ovate sublobate, doubly dentate, re- 

 ticulate and tomentose beneath, corymbs ter- 

 minal crowded subcapitate on a long peduncle, 

 calix tomentose — Origon, another distinct sp. 

 blended by Hooker, aitho' distinguished by 

 Pursh and others. The Sp. monogyna of Tor- 

 rey is also reduced to Sp. opulif. by Hooker, 

 while it is even a peculiar Genus ! See the next. 



671. EPICOSTORUS Raf. atl. J. page 144. 

 Sp. monogyna Tor. rocky mts. 119. Eaton <!^c, 

 Sp. opul. var. monogyna ! Plook. fl. Calix cam- 

 panul. 51obed, petals 5, stamens 20 inserted on 

 a circular free torus or base monadelphous, pis- 

 tils 1 or 2 stipitate, with a style,capitate stigma, 

 capsules 1 or 2 compressed not swelled free 

 villose bivalve trisperme. Habit of Fhyso- 

 carpa, pedicels few, no bracts. — Epic, monta- 

 Nus Raf. as above. Leaves rounded ovate base 

 subcordate, subtrilobe, incise, dentate pubes- 

 cent beneath, corymbs on short peduncles pau- 

 ciflore, pedicels filiform calix obtuse pubescent 

 — in the Origon mts. disc, by James, descr. by 

 Torrey 1827, mistaken by Hooker since, ascer- 

 tained by me in 1832, the generic name means 

 20 on a torus. 



672.^ SCHIZONOTUS Raf. calix rotate 



