172 TWELFTH ANNUAL REPORT. 



PANICUM, L. Panic-Grass. 



P. glabrum, Gaudin. Smooth Finger-Grass. 



Minneapolis (plentiful), Simmons, Upham; Blue Earth county, Leiberg. 



P. sanguinale, L. Common Crab- or Finger-Grass. 

 Minneapolis, Kassube; Blue Earth county, Leiberg. 



P. agTOstoides , Spreng. Panic-Grass. 



Lapham. Kamsey and Hennepin counties, Oestlund, South, 



P. capillare, L. Old-witch Grass. 



Common throughout the state. Late in autumn "tlie spreading panicle is easily 

 broken oflE and blown about by the wind." 



P. autuiniiale, Bosc. Panic-Grass. 



Lapham. New Ulm, Juni. Rare. South. 



P. virg-atum, L. Panic- Grass. 



Abundant southwestward and in the Red river valley ; frequent southeastward. 

 "Nowhere so luxuriant as near the upper Des Moines river and Spirit lake," Oeyer, 

 Torrey . 



P. latifolium, L. Panic-Grass. 



Through the south half of the state, but infrequent. Minnesota river, Parry ^ Blue 

 Earth county, Leiberg; Minneapolis, Simmons; Anoka county, etc., Upham. 



[P. clandestinum, L., probably also occurs in this state.] 



P. xauthopliysuni. Gray. Panic-Grass. 



Throughout the state. Minneapolis, Kassube; Steele and Isanti counties, Upham. 

 [Manitoba, Macoim; also in the catalogues of Wisconsin, Iowa and Nebraska.] 



P, cousanguiueiun, Kunth, var. latifoliuni, Vasey, ined.* Panic- 

 Grass 

 New state farm, Ramsey county, Oestlund. Probably frequent; resembling P. xantho- 

 physum, so that perhaps some of the references under that species belong instead to this. 



P. paucifloruin, Ell. Panic-Grass. 



Throughout the state, excepting perhaps northeastward. Red river (swampy prai- 

 rie), Dawson; Ramsey county, Oestlund-^ Minneapolis, Upham; Blue Earth county, Lei- 

 berg; Emmet county, Iowa (common), Cratty. 



P. clicliotoimini, L. Panic-Grass. 



Common, or frequent, throughout the state. [Specimens collected in early summer 

 by Mr. Oestlund on the n^ state farm, Ramsey county, are regarded by Dr. Vasey as 

 representing the typical ferm of this species. It occurs intermingled with other grasses 

 on lowlands : mainly smooth ; culms slender, 11,4 feet high ; panicle long-peduncled.] 



P. (licliotoiiuiiu, L., var. piibescens, Vasey, ined. (P. pubescens. Lam.) 

 Panic-Grass. 



Ramsey and Hennepin counties (usually about a foot high, becoming much branched), 

 Oestlund, Upham; probably the more common form of the species in this state. Gray's 

 Manual characterizes it as "a shaggy-hairy and larger-flowered variety." [Culm rather 

 leafy, l to 2 feet high ; leaves and sheaths decidedly pubescent or villous. Letter of 

 Dr. Vasey, Sept. 30, 1884.] 



*Panicum consanguineom, Kunth. Smooth or villous ; culms (l to l'/4 feet high) 

 at length excessively branched ; leaves linear, erect ; panicle long-peduncled, the flex- 

 uous widely spreading bi-anches few-flowered ; spikelets obovate, pale, pubescent ; up- 

 per glume 7-nerved ; upper palea of the neutral flower none ; perfect flower acute. 



Chapman's Flora of the Southern States, appendix, p. 667. Var. latifolium, Vasey, 



ined. Culms weaker, leaves wider, and flowers more pubescent. Minnesota, Oestlund. 

 Letter of Dr. Vasey, Sept. 30, 1884. 



