[/ 



105 



Pogonia affiuis Austin. One plant found by Mrs. Henry Holt, 

 in Burlington. 



Ciccr arietinum L. One plant found on railroad embankment 

 in Colchester. Determined by Professor L. R. Jones. 



Collomia linearis Nutt. Two plants found near Malted Cereal 

 Co.'s mill in Burlington. 



Lamiitm album L. Escaped to roadside in Essex. 



Hcdcoma hispida Pursh. Found in Burlington by F. M. 

 Hollister. Nellie F. Flynn. 



Burlington, Vermont. . 



A new Lippia from Porto Rico. — Lippia Helleri sp. nov. 

 A weak shrub, 1.2— 1.7 m. high, with slender fiexuous pubescent 

 branches. Leaves obovate, 1 cm. long or less, opposite, dull 

 green, puberulent and resinous on both sides, obtuse, crenate, 

 cuneate or narrowed at the base, the slender petiole about one 

 fourth as long as the blade : flower-heads axillary, about 8 mm. 

 broad, slender-peduncled, the peduncles 3-5 mm. long, puberu- 

 lent : bracts of the involucre broadly oblong, obtuse, puberulent, 

 ciliate, about 2 mm. long : calyx about one third as long as the 

 corolla-tube, 2-toothed, pubescent : corolla-tube slightly enlarged 

 upward, the limb 2 -lipped, the lower lip with a broad middle 

 lobe and 2 smaller lateral ones, the upper lip 2-lobed, all the 

 lobes obtuse ; corolla white, tinged with pale purple. 



In thicket, near Bayamon, Porto Rico, April 29, 1899 (Heller, 

 no. 1238). NearZ. micromera Schauer, and suspected by Profes- 

 sor Urban to be a cultivated form of that species, but the collector's 

 field notes do not indicate this as probable, and the characters of 

 leaves and of corolla are very different. N. L. Britton. 



A new Waltheria from the Bahamas. — Waltheria Baha- 

 mensis sp. nov. Branched from the base, lepidote, the slender 

 branches 6 dm. long or less. Leaves small, broadly oblong or 

 ovate-oblong, sharply dentate, strongly veined, 1-2 cm. long, 

 1.5 cm. wide or less, dark green above, paler beneath, lepidote 

 on both surfaces, the apex obtuse, the base obtuse or slightly 

 cordate ; petiole slender, half as long as the blade or less : flower 

 clusters sessile or nearly so in the axils, dense, less than 1 cm. 

 in diameter : calyx narrow : bractlets sharply toothed, the teeth 

 triangular-ovate, acute or acuminate, nearly half as long as the 

 tube : petals spatulate, thin, 3—5 mm. long, obtuse or slightly 

 notched, 3 of them sometimes longer than the other 2 : filaments 



