482 PROCEEDINGS OF THE AMERICAN ACADEMY, 
foliar characters, smaller flowers, shorter claw, pubescence on the corolla- 
lobes, and also by having a shorter column. 
Gonolobus caudatus, Gray, var. trachyanthus, Shrubby, 3 
to 6 dm. high: leaves petiolate, lanceolate, attenuate, glabrous, 2.5 to 
3.5 em. long, 10 to 15 mm. broad: corolla distinctly puberulent above. — 
Collected by C. G. Pringle in Tomellin Cafion, altitude 600 m., 24 July, 
1897, no. 6654. 
Ipomcea dimorphophylla. Stems twining, purplish, more or less 
pubescent: leaves petiolate, ovate, 4 to 10 cm. long, 3 to 8 cm. broad, 
acuminate, subcordate, entire or deeply 3-lobed, lobes obtuse, mucronate, 
pubescent upon either surface especially on the prominent midrib, nerves, 
and veins beneath ; petioles 2 to 5 cm. long, pubescent, often provided 
with two glandular organs at the base of the leaf-blade: inflorescence 10 
axillary pedunculate 1-several-flowered cymes ; peduncles green or green- 
ish purple, 2 to 15 em. in length, more or less pubescent ; pedicels some- 
what thickened, about 1 cm. long; bracts and bracteoles caducous: 
calyx-divisions oblong, 6 to 7 mm. long, nearly equal, the outer slightly 
shorter, rounded or retuse at the apex, dark brown or almost black with 
lighter scarious margins: corolla white, open-funnelform, about 6 cm. 
long: stamens included, one half as long as the corolla; filaments uM- 
equal, pilose at the base; style about equalling the stamens: mature 
capsule and seeds not seen. — Collected by C. G. Pringle in a barranca 
near Cuernavaca, 4 August, 1896, no. 7241, and in the same locality; 
altitude 1900 m., 23 August, 1897, no. 6658. 
Ipomea tentaculifera. Glabrous throughout: stems herbaceous, 
twining, somewhat angled: leaves cordate, entire, acuminate, mucronate, 
with an open sinus at the base and rounded basal lobes, 8 to 10 em. long; 
5 to 6 em. broad: petioles 5 to 6 em. long: peduncles 7 to 12 cm. long; 
1-flowered: pedicels about 7 cm. long, much thickened: sepals nearly 
equal, oblong, 10 to 12 mm. long with a rounded apex and sub-scanne’ 
margins, the inner ones slightly longer, the outer covered with herba- 
ceous tentacle-like outgrowths: corolla “ violet throughout,” open-funnel 
form, about 7 cm. long: stamens unequal, included, about one third “ 
length of the corolla; filaments villous-pubescent at the base. — ie 
by C. G. Pringle in Tomellin Cafion, altitude 1540 m., 17 July, 189% 
no. 6702. 
A beautiful and well marked species readily recognized by the wp 
flowered peduncles, the long almost fleshy pedicels, and by the peculiar 
tentacle-like growths on the calyx. 
Cordia insularis. Shrub 3 to 5.5 m. high: stems and branches 
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