Plante Lindheimeriane. 231 
.water-courses. July.— Climbing to a great height. ‘The rhi- 
zoma bears tubers which are called ** Indian bread” in Texas. 
Leaves varying from narrowly lanceolate to almost’ ovate. 
n prickly below. 
. CoorgniA. Drummonni, Herbert. Dry prairies from 
coin to the Brazos; flowering from June to November, 
but mostly in July, and only after heavy rains. 
'197. ArgTRISs aurea, Walt. Houston. April. 
v198. Serna (Kamassa, sed perigonium regulare) ANGUSTA 
(n. sp.) : gracilis ; foliis linearibus apice longe attenuato-seta- 
ceis flaccidis scapo brevioribus; bracteis e basi lanceolata 
membranacea subulatis pedicellos erecto-patentes subzequanti- 
bus ; alabastris oblongo-linearibus ; foliolis perigonii linearibus 
obtusis stamina duplo superantibus. — Open woods and prai- 
ries, in south-western Missouri and Arkansas, as well as Texas: 
flowering from April to May in Texas, but from May to the 
middle of June in Missouri and Arkansas, when S. esculenta, 
growing in the same region, bas matured its seeds. "The 
present plant i is more slender than S. esculenta, with narrower 
leaves, sepals, ete. ; but perhaps it is only a variety. — We are 
slow to believe that the Oregon species belongs to a different 
 Benus from the eastern. 
199. ALLIUM MUTABILE, Micha. Dry open woods, Hodston. 
April. The capsule, in all our specimens, is one-seeded ; the 
flowers usually rose-red, but sometimes white. 
: 200. Rupria maritima, Linn. Salt water ponds, Calvo 
ton Island. 
201. Cyperus vecetus, Linn. Wet prairies. May. 
202. C. ovunaris, Torr. In dry and wet plaget Api 
to June. à 
303. C. TETRAGONUS, Ell. Dry cit near Houston. 
i and June. Style 3-cleft. 
- Fuirena uispipa, El. Springy places west of the 
. August. 
205. Exrocnanis ARENICOLA, ; (Torr. MSS.) : culmis sub- 
! compressis sulcatis e rhizomate repente przelongo ; 
