2^2 Tin-: W1£ST \IRGINIA FLORA 



P L A T A N A C E AE. 



PLATANUS L. 

 P. OCCIDENTAL! s L. Sycamore. Button wood. 



All soils. Wood : at the mouth of the Little Kanawha 

 (MicJiaii.v). Common throus^hout the State. 



ROSACE AE. 



OPULASTER ^ledic. 

 (Physocorpa Raf. 1836.) 

 O. OPULiFOLius (L.) Kuntze. Nine-hark (Pliysocarpa opuli- 

 folia Raf.). 



Along- streams, common. jMonongalia : along- the Monon- 

 gahela River. Webster : Upper Glade. Eayette : near Nutt- 

 allburg {Niittall). Hardy: near Aloorefield. Upshur: near 

 Buckdiannon (Pollock). 



SPIRAEA L. 

 S. CORYMBOSA Raf. Birch-leaved Meadow-sweet. {S. bctiiH- 

 folia Pall.). 



Rich mountain woods. Webster : near Upper Glade. 

 Hardy: near Aloorefield (Gamble). 

 S. ViRGiNiANA Britt. West Virginia Meadow-sweet. 



Discovered 1890 along the Monongahela River near Mor- 

 gantown. The following description is taken from Prof 

 Britton's account of the plant in "Bull. Torrey Club," Dec. 

 i8go. 



"A glabrous shrub, the branches forming long wands, 

 erect or reclining, 1-4 ft. long. Leaves oblong or slightly 

 oblanceolate, thin, obtuse or short-pointed at the apex, roimd- 

 ed or cuneate at the base, 13/2 to 2 in. long, 5-8 lines wide, 

 green above, pale beneath, entire or with a few low serration? 

 in the upper half; petioles 2 lines long; pedicels and pedun- 

 cles pale and glaucous ; flowers about 2-lines broad, in term- 

 inal compound corymbs 1-3 in. across; calyx teeth 5, tri- 

 angular, blunt, about the length of the short-canipanulate 

 tube, distinctly glaucous ; petals 5, white, ovate-orbicular, 

 obtuse; stamens 15-20, persistent; styles 5-6; follicles in the 

 specimens examined, 5-6, apparentlv sterile, included in the 

 persistent calyx." 



"On damp rocks along the T^Ionongahela Rivei«, Morgan- 

 town, W est Virginia, collected by Dr. C. E. AL'llspaugh in 

 ]lower, June 20th, 1890, and in apparently imperfect fruit 



