442 
Collected by S. Hayes (No. 63, 68 and 209) at the Gatun Sta- 
tion on the Panama Railway, October and November, 1859. 
31. SMILAX PAPYRACEA Duham. Arb. Ed. Mich. 1: 242 (1801). © 
Rhizome thickened at the summit with tubers, about 10” thick, 
sending off long roots into the ground. These according to 
Grisebach (Mart. Fl. Bras. 3: Pt. 2,5) furnish the Brazilian Sarsa- 
parilla, known in common as “ Para” or “ Lisbon Sarsaparilla.” 
Glabrous. Stem sharply quadrangular or 5-6 angled, thickly 
beset with scale-like prickles upon the angles. Petiole 5/10” 
long. Blade papyraceous in texture, oblong-elliptical, rounded or 
subcordate at base, cuneate at the petiole, acuminate-cuspidate at 
the apex, 5-nerved, 4/-614’ long, 2’-4’ long. Flowers and fruit 
unknown. 
Guatemala, Volcan de Fuego. 
32. SMILAX ROTUNDIFOLIA L. A 
According to De Candolle, collected in Mexico by Pavon, ca 
locality not given, specimens apparently of this species are in the 
Herbarium of Columbia College, ex herb. John Donnell Smith, 
collected by Heyde and Lux at San Miguel Uspatan, Guatemala, 
No. 3526. \ 
33. SMILAX SCHLECHTENDALI] Kunth, Enum. 5: 224 (1850). i 
Glabrous. Stem stout, terete, striate, unarmed; obs — 
terete or angular, slightly flexuous. Petiole 4/6” long; stip¥ 
sheath about % the length of the petiole, the margins narrow @ ae ee 
ciliolate. Blade coriaceous, lanceolate or oblong-ovate, cone | 
the petiole, abruptly acuminate at the apex, pellucidly pus ri 
5-nerved or with an additional marginal nerve on each side, 2 pas 
4' long, 11/’—2’ broad, the marginal nerves closely approxima” 
De Candolle states that the leaves are shining on the upper su The 
They are dull in the specimens which I have examined, 20° 
reticulations are remarkably small and close. Peduncles ang” 
extremely short, sometimes apparently none, the longest dicels . 
bearing peduncles less than 1’ long, 8-30 flowered. Ait ; 
6 long. Berries black in herbarium specimens, gloPO%* 
3-4”, broad, 2~3-seeded. ad 
Reported from Orizaba, Valley of Cordova and other bag 
Mexico. Specimens in Herb. John Donnell Smith, Coll. oe . 
. ber at Fortin, near Orizaba, March, 1883 (No. 361). 
34. Smitax spinosa Mill Gard. Dict. no. 8 (1768), not Fou: : 
This is said to have a terete, unarmed stem, ovate-i4 
