FERNALD. — ACAPDLCO PLANTS. 89 



been placed there with some liesitation. The oblanceolate slightly 

 pubescent old leaves, the pubescent calyx and fruit, and the pallid bark, 

 agree very well with that species. Maba albens, however, is described 

 as liaving dull green leaves when young and the midrib depressed be- 

 neath. In these fruiting specimens the leaves are glossy above and the 

 midribs prominent beneath. 



Evolvulus commelinifolius. An annual plant with sparingly 

 branched lignescent stems 3 to 5 dm. high : stems and both sides of the 

 leaves densely rufous-hispid and villous : lowest stem-leaves oblong, sub- 

 sessile, blunt at the apex, acutish or rounded at the base, 4 or 5 cm. long, 

 the upper gradually decreasing in size ; floral-leaves becoming approxi- 

 mate, distichous, conduplicate, broadly deltoid-ovate, with deeply cordate 

 bases, the lowest 4 cm. long, and 2h cm. broad, the upper barely 1^ cm. 

 long : flowers solitary, axillary, on very short peduncles : sepals lance- 

 subulate, 6 mm. long, white with setose-hispid pubescence : corolla pale 

 blue with white stripes, 13 mm. high : capsule obovate ; seed olive-green 

 with minute black dots. — Shady places in the mountains and river-bot- 

 toms, December, 1894 (no. 312). 



Evolvulus ovatus. A prostrate much-branched plant : stems slen- 

 der, 3 dm. long, densely silky-villous : leaves ovate, or oblong-ovate on 

 the branchlets, acutish, subsessile, with cordate bases, silky-villous on 

 both sides, 7 to 13 mm. long, 4 to 9 mm. wide, closely approximate, or 

 even imbricated, toward the ends of the branches : flowers axillary, soli- 

 tary, on very short peduncles : sepals densely villous, lanceolate, 4 to 7 mm. 

 long: corolla blue, scarcely exceeding the calyx: capsule depressed- 

 globose; seed smooth. — On a shady hillside, December, 1894 (no. 313). 

 Near M hohsericeus, HBK., and £J. discolor, Benth., but distinguished 

 from them by the broader leaves with the upper surfaces pubescent. 



Ipomoea (Pharbitis) ampullacea. A stout woody vine climb- 

 ing high over trees and shrubs ; the pale brown bark covered with ap- 

 pressed retrorse hairs : leaves broadly ovate or suborbicular, 7 to 15 cm. 

 broad, deeply cordate at bases, short-acuminate, acute, or even obtuse, 

 entire or shallowly 3-lobed, the lateral lobes blunt, strigose-pubescent, 

 especially on the pale lower surface; the veins prominent beneath; 

 petioles retrorse-strigose, ^ to 1 dm. long: peduncles stout, equalling or 

 exceeding the leaves, puberulent toward the tips, branching into a loose 

 cyme : pedicels 1 or 2 cm. long, thickened upward, generally bearing an 

 oblong tuft of dense matted hairs : bracts strigose-pubescent, ovate-lanceo- 

 late, blunt, 1 ^' cm. long : calyx strigose-pubescent ; sepals coriaceous, 

 unequal, the two outer much larger than the inner, 2^ to 4 cm. long, the 



