128 PROCEEDINGS OP THE AMERICAN ACADEMY 



Section IX. PHYLLOSTACHYS, Carey, Gray's Man. 1848, 

 538. Perigynium much as in the Montante ; spike one, stanainate 

 above; pistillate flowers few, often remote, usually on a more or less 

 zigzag rhachis ; scales prolonged and leaf-like (scarious and often short 

 in C. Geyeri). — A singular section, to be regarded, probably, as an 

 offshoot from the Montanae. It is connected with the Laxiflora) by 

 (7. multicaulis, which is related to (7. Hitchcockiana. 



A. BractoidecE, Bailey, Bot. Gaz. x. 208. Culms mostly much shorter than the 

 leaves; staminate flowers inconspicuous; perigynium small, the beak pro- 

 duced to liaif its length or more ; scales very green and much dilated, often 

 concealing the perigynia, and readily mistaken for bracts. 



206. Carex Willdenovii, Schkuhr, Riedgr. Nachtr. 33, f. 145. 

 G. Willdenovii, var. paucijlora^ Olney, Hall's PI. Tex. 25. 



Karl Ludwig Willdenow, 1765-1812, Professor of Botany in Berlin. 

 — New England to North Carolina and Texas. 



207. Carex Steudelii, Kunth, Euum. Plant, ii. 480. 



Ernst Gottlieb Steudel, 1783-1856. — New York to Kentucky and 

 Illinois. " Florida and westward," Chapman. 



208. Carex Backii, Boott, Hook. Fl. Bor.-Am. ii. 210, t. 209. 



Sir George Back, an Arctic explorer. — Mt. Tom, W. Massachu- 

 setts, Whitney, to Ohio and Michigan and northwestward to the Sas- 

 katchewan, Bourgeau, and Cumberland House, Richardson ; Colorado* 

 Hall & Harbour 612. 



B. PhyUostachyoe, Bailey, Bot. Gaz. x. 208. Culms all as long or nearly as long 

 as the leaves ; staminate flowers conspicuous ; pistillate flowers very few and 

 large ; beak very short. 



209. Carex Geyeri, Boott, Linn. Trans, xx. 118. 



Karl Andreas Geyer, 1809-53, a German botanist who travelled in 

 this country from 1834 to 1845. — Colorado, Utah, Montana, and E. 

 Oregon, Cusick. 



210. Carex multicaulis, Bailey, Bot. Gaz. ix. 117. 

 C. Geyeri, Boott, 111. t. 105, in part. 



Culms very numerous, one to three feet high, stiff and wiry, terete 

 or in weak specimens obtusely angled, smooth or minutely scabrous 

 beneath the flowers, their sheaths leafless or produced into stiff and 

 appressed tips an inch or so long, or on the barren culms three to six 

 inches long and spreading: scales, at least the lower ones, leaf-like 

 and prolonged into a slender tip often exceeding the culm, their 

 bases dilated and hyaline-margined : pistillate flowers two to six, the 

 lower one often remote: perigynium very large (three to four lines 



