ENGELMANN—NORTH AM. SPECIES OF JUNCUS. 467 
40. J. BRACHYCARPUS, n. sp.: caulibus e rhizomate crasso 
horizontali paueis erectis (1-2}-pedalibus) rigidis teretibus ; 
panicula e capitulis globosis multi-(30-50-100)-floris paucis 
seu pluribus simplice seu composita conferta; sepalis lanceo- 
se ovarium ovatum acuminatum fere aie 
inclusis; seminibus parvis oblanceolatis Ohevstete utrumque 
acutatis areis leviusculis reticulatis. —J. eryptocarpus, Bebb 
in litt 
In the Museners Valley from central Ohio, Sullivant, Mich- 
igan, olw ell, Bi igelow ow, Hb. n. 74, and Illin ois, Bebb, Hall, Hb. 
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and 2556 in part, Lindheimer; also, if the locality is cor- 
rectly pees near Ss nai sg 8. C., Beyrich ~ distsbated 
s J. echinatus). — Flowers in May and June, in 
April. — On one side this cpg is allied to the tanpeahandot 
forms of J. acuminatus, and on the other much more closely 
to J. scirpoides, with both of which it ae been confounded; 
it has the rhizoma and the inflorescence of the latter, but its 
very short inner sepals and short capsule at once renee ha 
it from either——Stems from 8-10 inches (seen mostly in Texas 
even 10, inashort (1-2 inches long) contracted panicle; flow- 
ers 1.8-2.0, and capsule 1.2, lines long, so that, as Mr. Bebb — 
Me acues the ribs, however, 
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mens are some, the heads of shock are paar SIP into leafy 
excrescences. 
41. J. scrrporpes, Lamarck, Enc. 3, 267 _ Meyer in Linn. 
3, 370): caulibus ‘(1-4-pedalibus) e rhizomate horizontali 
ti ulato-pyra a 
uniloculari; seminibus oblanceolatis obovatisve utrum 
acute apiculatis areis sublevibus reticulatis.—J. aan 
Michx. Fl. 1, 192; Pursh, Fl. 1,237; Mey. 
Var. a. macrostemon : “caulibus (1-2-pedalibus) | foliisque 
