1911] Deane,— The recent Treatments of Panicum 67 
Treatment by Hitchcock | Treatment in Gray’s Man- | Group (stated 
and Chase, 1910. ual, 7th edition, 1908. only in case of 
additions). 
13 |P. adspersum Trin. Bal- | Omitted as not sufficiently | Fasciculata. 
last plant in Pennsyl-| established. 
vania and New Jersey. 
24 |P. barbipulvinatum Nash. Capillaria. 
Illinois, Wisconsin and 
Minnesota.! 
44a |P. virgatum cubense Gri- | P. virgatum L., var. ob- 
seb. tusum Wood. 
46 P. amarum Ell. P. amaroides Scribn. & 
Merr. 
47 P. amarulum Hitchc. &|P. amarum [but not of 
Chase. EN] 
56 P. rhizomatum Hitche. | Agrostoidia. 
& Chase. Virginia. | 
62 P. hians Ell. Steinchisma hians (EIl.) 
| Nash. 
100 | P.calliphyllum Ashe. Mas- Bicknelliana. 
sachusetts, New York, 
Ohio. P. Bicknellii and 
this species are the only 
ones comprised in this 
group. 
103 |P. nitidum Lam. Vir- Dichotoma. “Eu- 
ginia, Missouri. dichotoma” of 
Manual. 
107 |P. Clutei Nash. Massa- Included under P. matta- | 
chusetts to Virginia muskeetense Ashe. | 
112 ^P. roanokense Ashe. Vir- | | Dichotoma. 
ginia. | | 
113 P. caerulescens Hack. | | Dichotoma. 
New Jersey, Virginia. | 
120 P. wrightianum | Scribn. , Spreta. 
New Jersey. | | 
122 P. albemarlense Ashe. Included under P. au- 
Coastal Plain, Massa- burne Ashe. 
chusetts to Virginia; In- 
diana, Michigan. 
| 
1 Localities are mentioned in this table merely to show occurrence, within the 
Manual limits, of species not hitherto record 
range indicated in the recent revision and relat 
Manual region are too numerous for record here. 
closely similar in the two treatments. 
ed from the region. 
ing to species already known from the 
The subdivisions of the genus are 
It may be noted that no. 148, P. oricola 
The changes of 
Hitche. & Chase, placed in the Manual among the Lanuginosa, has been in the later 
treatment referred to the Columbiana. 
