224 



MEMOIRS OF THE NEW YORK BOTAKICAL GARDEN 



Piper cataractarum Trclease 



A shrub (I), scarcely nodose, flowering internodes rather 

 slender and elongated, at first softly subvillous ; leaves suhellip- 

 tic, caudate, nearly equilaterally acute at base, moderately large 

 (6.5 X 1^7 X 18 cm.), pinnately nerved from about the middle, 

 the nerves about 6X2, drying thin and dark, white-scabrid, the 

 nerves upcurved-hirsute beneath ; petiole mm. long, velvety, 

 winged at base; spikes opposite the leaves, as yet young and 

 small (2 X 50-60 mm.), mucronate; jjeduncle 10 mm. long, some- 

 wiiat velvety ; bracts round-peltate, small with narrow margin ; 

 flowers sessile, perfect. 



Cataracts of the Bopi River, at 3,000 feet, H. H. Rushy, 1921 

 {no. 672). 



Piper elliptico-oblongifolium Trelease 



A slirub (?), nodose, flowering internodes rather thick and 

 short, loosely hirtellous ; leaves obliquely oblong-elliptic, rather 

 abruptly subacuminate, obliquely acute at base, moderate (5X 

 12-14 cm.), pinnately nerved from below^ about the upper third, 

 the looping nerves 5 or 6 X 2 with some fainter intermediates ; 

 chartaceous, slightly glossy, granular and wdth the nerves hir- 

 tellous beneath ; petiole 15 mm. long, velvety, scarcely winged ; 

 spikes opposite the leaves, as yet young and small (2X30-40 

 mm.), mucronate; peduncle scarcely 10 mm. long, hirtellous; 

 bracts rounded-subpeltate, with narrow dingy margin; flowers 

 sessile, perfect. 



Bopi River Valley, at 3,000 feet, H. H. Rushy, 1921 {no. 671). 

 Very like P. rurrenhaqneanuyn except that it is pubescent. 



Piper nigro-granulatum Trelease 



A shrub (?), scarcely nodose, glabrous, dark-granular 

 throughout ; flowering internodes slender but short ; leaves lance- 

 olate, acute at both ends or subacuminate, small (8X10 cm.), 

 pinnately nerved from below the upper third, the nerves about 

 5 X 2, drying dull-green and thin, somewhat paler beneath ; peti- 

 ole short (5 mm.), scarcely winged; spikes opposite the leaves, 

 as yet young and small (2X 20 mm.), scarcely mucronate; pe- 

 duncle very short (3 mm.) ; bracts round-subpeltate, compara- 

 tively large, conspicuously pale-margined ; flowers sessile, 

 perfect. 



Bopi River Valley, at 3,000 feet, H. H. Rushy, 1921 (wo. 573). 



