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POTHOS Harrisii. 
Mr Harris's Pothos. 
TETRANBRIA MONOGYNIA._Nat. Ohd. AROIDEM. 
Gen. Char. — Spatha monophylla. Spadix cylindraceus, undique floribus 
tectus. Periantkium tetraphyllum. Bacca tetrasperma. 
Pothos Harrisii ; caulescens, foliis lanceolato-acuminatis venosis, nervo 
laterali, petiolo apice nodoso, pedunculo foliis sequali. 
Pothos Harrisii, Graham, in Edin. Phil. Journ. April 1826. 
" Caulescent. Roots creeping, and, as they descend perpendicularly from 
many parts of the stem, cylindrical, fleshy, red, slightly scarred. Stems 
flexuose, jointed, green. 
" Leaves petioled, scattered, about 1 8 inches long, cordato-lanceolate, acute 
(scarcely so in the drawing), bright green, shining, veined, somewhat 
folded in the middle, flat when beginning to decay ; middle rib very 
strong, projecting both behind and before, in its upper half sharp be- 
fore, round in its whole length behind; veins united at their. extremi- 
ties towards each edge of the leaf, by a waved nerve, scarcely stronger 
than the veins. Petiole about 3 inches long, sometimes much longer, 
swollen at its insertion into the stem, and jointed close to the leaf, green, 
furrowed above, slightly winged, wing waved ; stipules long, pointed, 
reddish-yellow, persisting, and with their remains forming a brown 
ragged sheath to the upper part of the stem. 
" Peduncle axiUary, equal in length to the leaf and petiole, slender, erect. 
Spadix slightly tapering, about 5 inches long, greenish-brown. Spatha 
nearly as long as the spadix, narrow, pointed, reflected, pale green, red- 
dish at the tip ; anthers yeilow ;Jilaments white ; pistil pale green, spotted 
with red." 
Brought, along with P. coriacea (figured in the last plate) 
by Captain Graham, together with several other new and rare 
plants, to the Edinburgh Botanic Garden in 1824. They 
were given to that gentleman by M. Joaquim Harris of Rio, 
in testimony of whose exertions in behalf of practical botany, 
VOL. III. 
