1920.] NATURAL SCIENCES OF PHILADELPHIA. 157 



3. Monocardia humilis Pennell, sp. nov. 



Stems not fleshy, .2-1 dm. long, pubescent "with spreading hairs. 

 Leaves ovate-oblong, .7-.9 cm. long, .3-.8 cm. wide, obtuse, at least 

 when young hirsute over entire under surface, not evidently reticu- 

 late. Pedicels 6-9 mm. long, pubescent with spreading hairs. 

 Sepals all ciliate: the three outer 4-5 mm. long, pubescent over 

 entire outer sm-face. Corolla 4-5 mm. long, violet within throat, 

 the lobes pale-blue. Filaments of anterior stamens pale-blue, of 

 posterior violet; anthers pale-blue. Capsule 2-3 mm. long, ovoid- 

 oblong. Seeds .2-.25 mm. long, blackish. 



Type, sandy soil, seepy place in plain east of Neiv'a, Huila, alt. 

 550-600 meters collected in flower and fruit August 8, 1917, Rusby 

 & Pennell 1065; in Herb. New York Botanical Garden. 



Wet open soil, sandy or loam, at altitudes below 800 meters, 

 Tropical zone, llanos of upper Magdalena valley, and in Panama. 

 Doubtless in the Sabana of Bolivar. 



Huila. Neiva (sandy seepy place in plain east of N., alt. 550- 

 600 m.), Rusby & Pennell 1065. 



Tolima. San Lorenzo (swale west of S. L., alt. 600-800 m.), 

 Pennell 3544. 



4. Monocardia albida Pennell, sp. nov. 



Stems not fleshy, .3-1.5 dm. long, glabrous. Leav^es ovate- 

 oblong, .7-1.5 cm. long, .3-1 cm. wide, obtuse, glabrous. Pedicels 

 7-14 mm. long, glabrous. Sepals glabrous: the three outer 4-5 mm, 

 long. Corolla 3-3.5 mm. long, dull white throughout. Filaments 

 and anthers white. Capsule 2-3 mm. long, narrowly elliptic-oblong. 

 Seeds .2-.3 mm. long, blackish. 



Type, wet loam, trail in forest, Villavicencio, Meta, alt. 450 

 meters, collected in flower and fruit August 28, 1919, F. W. Pennell 

 1477; in Herb. New York Botanical Garden. 



Wet loam in forest at altitudes of 450 to 500 meters, Tropical 

 zone, in Meta. 



Meta. Villavicencio (wet trail in forest, alt. 450' m.), Pennell 

 1477, (moist meadow near Rio Guatiquia, alt. 50G m.), Pennell 

 1555 (plant much smaller than 1477). 



7. MACUILLAMIA Raflnesque. 



MacuillamiaRaf. [>^eogenyton 2.1S2.5, generic description only.] Autik. Bot. 

 44, 1840. 



Type species, Monniera rctundifolia Mich., of Illinois. 



