1889. J BOTANICAL GAZETTE. 27 



C. erosum DC. Petioles long, leaves unequally ineised-serrate : hea-. 

 distinctly pedicellate : fertile flowers bi-senate, sterile 10-12. 



Nuurol^ena lobata R. Br.,\ar. indivisa. — Glabrate: 

 leaves membranaceous, scabrid above, broadly lanceolate, 

 tapering finely to eacb end, iobeles^ : heads large. — Pansa- 

 mala forest, alt. 3,800 feet, April, 1887 (Ex PI. cit. 1,223). 

 Approaching N. macroccphala Schz. Bip. in foliage and size 

 of heads, but involucres remain distinct. 



Ardisia micrantha. — Arboreous: leaves from short in- 

 ternodes, glabrate, coriaceous, obovate-elliptical, 4-6 inches 

 long, acuminate, narrowed to short margined petiole: pani- 

 cle terminal, subsessile, exceeded by leaf; branches com- 

 planate, margined, alternate, sub-simple, closely racemose- 

 flowered toward apex; pedicels exceeding ovate al abas tra, 

 bractlets small : calvx-divisions ovate, ocellate, glandular- 

 ciliate: corolla twice longer (2* lines), Iepidote without and 

 toward base within, sub-partite, segments oblong-ovate : sta- 

 mens exceeding corolla, at length long-exsert, cordate an- 

 thers i line long: style shorter than corolla, ovary rubro- 

 punctate.— Coban, Depart. Alta Verapaz. alt. 4,600 feet, 

 March, 1888 (Ex PI. cit. 1,365).—^. compress* HBK., 



and A. rcvoluta HBK., with somewhat similar foliage and 

 panicles, «re distinct by anthers equaling or exceeding fila- 

 ments; A. bractcosa A. DC with nearly similar stamens. 



has sessile flowers exceeded by their bracts, tubular calyx 

 and corolla acutely cleft. 



TOURNKFORTIA BICOLOR SwZ., Vai\ CA1.YCOSA. — Calyx- 



se^ments glabrate, linear, two-thirds as long as corolla. 

 Pansamala, alt. 3,800 feet, July, 1886 (Ex PI. cit. 980). 



Ipomcea discoidesper.ma (§ Slrophifomcea Chois.] 

 Leaves twice exceeding petiole, entire, ovate, caudate-acu- 

 minate, base truncate, 3V4* inches long: peduncle exceed- 

 ing petiole; pedicels 2-3, shorter than calyx, tetragonal-in- 

 crassate above, bracts minute: sepals elliptical, an inch long, 

 smaller within: corolla yellow, infundibular, 2 inches long, 

 tube short: stamens equal, one-fourth as long as corolla; 

 filaments dilated at base, more than twice exceeding oblong 

 anthers: stvle shorter, stigma 2-glob<>se: disk large, pulvi- 

 nate: ovary 2-locular, 4-ovulate. ovules arachnoid : capsule 

 coriaceous, globose, over an inch in diameter, i-locular,. 



