M0N0C0TYLES. 
91 
base amplexic. subalternate, spadix large ellip- 
tic, leaves 4 inches long, 3 broad. This shall 
form my subg. Callaion. 
486. Typha crassa Raf. ath J. p. 148. lati- 
folia of Arrier. bot. not L. stem humble foliose, 
leaves equal to stem, flat above, convex be- 
neath at the base and not vaginate, end obtuse, 
spikes united and thick subequal, a bract be- 
tween them ovate lanceol. membranaceous — 
Canada to Maryland and Missouri. Stem only 
3 to 4 feet high, spikes 4 to 6 inches long, one 
inch thick, lower brown very dense, leaves half 
inch broad. In marshes as all the’sp. 
487. Typha elatior Raf. atl. J. p. 148. la- 
tifolia Elliot and Southern botanists not L. stem 
gigantic, leaves shorter broad flat base vagi- 
nate, end acute, spikes confluent terete without 
spatha — Carolina to Kentucky, 8 to 10 feet 
high, stem round solid and smooth, leaves one 
inch broad. These 2 sp. are certainly differ- 
ent from the latifolia of Europe. 
488. Typha spiralis Raf. atl. J. p. 148, la- 
tifolia Sw. Liman Leaves spiraly contor- 
ted, ensiform and vaginate at the base, end fl^it 
I thick obtuse, spikes annexed each with a spa- 
tha — Florida, Cuba and Jamaica, mistaken 
also there for the latifolia, different from T. do- 
mingensis. 
489. Typha gracilis Raf. angustifolia of 
Amer. bot. not L. stem slender, leaves equal 
narrow flat glaucous acute, beneath hardly con- 
vex and striated, spikes subequal slender wide- 
ly divided without spathas — New Jersey to Vir- 
ginia in marshes and near streams, 4 to 6 in- 
ches long, divided by a bare space of 2 or 3 
inches. 
490. Typha angustifolia L. <f*c. My spe- 
cimens of this European sp. differ from the last 
