614 PROCEEDINGS OF THE AMERICAN ACADEMY. 
Gratiola oresbia, n. sp., perennis (Sect. GraTIOLARIA § SuBDIDY- 
NAMAE PEDUNCULATAE) erecta 7-18 cm. alta; radicibus fibrosis nume- — 
rosis ; caulibus flexuosis viridibus mollibus foliosis fere a basi floriferis 
obscure praesertim apicem versus glanduloso-puberulis ; foltis lanceo- 
lati-oblongis sessilibus auriculato-amplexicaulibus 1.5-2.4 em. longis 
4-6 mm. latis plerumque acutatis rarius obtusis 3(vel obscure multi)-— 
nerviis saepissime crenulatis vel rarius subintegris utrinque viridibus 
glabris ; pedicellis axillaribus 1.5-2 cm. longis nutantibus glanduloso- 
puberulis; bracteolis sepaloideis lineari-oblongis obtusis 4-5 mm. 
longis ; calycis segmentis anguste oblongis obtusis 3-nerviis ca. 5 mm. 
longis glanduloso-puberulis ; corolla intense aurea 1.3 cm. longa extus 
glanduloso-puberula intus villosa, lobis latis brevibus retusis ; stamini- 
bus fertilibus 2, connectivo membranaceo-expanso, loculis transversis ; 
rudimentis 2 parvis filiformibus in tubo quam stamina fertilia altius 
xis; capsula compressa ovata acuta maturitate segmenta calycis 
aequanti. — Sierra Madre Mountains, near Colonia Garcia, Chihuahua, 
Mexico, 25 August, 1899, E. W. Nelson, no. 6099 (type, in hb. Gray); 
also earlier at the same station, alt. 2285 m., Townsend & Barber, 00. 
1. This species appears to be most nearly related to G. Drummondi 
Benth., which, however, has narrower more attenuate leaves and a sub- 
orbicular obtuse capsule scarcely half the length of the lance-linear 
calyx-segments. 
Th a recent attempt to revise and label in accordance with the 
Vienna Rules of Nomenclature the material of the genus Bacopa m 
the Gray Herbarium the writer has found it necessary to employ sev- 
eral apparently new combinations, which it may be well to record he 
as follows: 
Bacopa Beccabunga ((riseb.), n. comb. Herpestis Beecabunga 
Griseb. Cat. Pl. Cub. 182 (1866). Monniera Beccabunga Ktae. Rev. 
Gen. ii. 463 (1891). 
Bacopa humifusa (Griseb.), n. comb. Herpestis humifusa Griseb. 
va an Cub. 183 (1866). Monniera humifusa Ktze. Rev. Gen. ii. 463 
1), 
Bacopa micromonnieria (Griseb.), n. comb. Herpestis micromon- 
nieria Griseb. Cat. Pl. Cub. oe mates Monniera mieromonnera 
Ktze. Rev. Gen. ii. 463 (1891). i ae 
Bacopa monnierioides (Cham.), n. comb. Ranaria monnieriod® 
Cham. Linnaea, viii. 31 (1833). Herpestis Ranaria Benth. in Hook: 
Comp. Bot. Mag. ii. 57 (1836). Monniera monnierodes Ktze. Rev. Gen. 
ii. 463 (1891). Bacopa Ranaria Chod. & Hassl. Bull. Herb. Bos 
ser. 2, iv. 288 (1904). Marts 
_7 Bacopa semiserrata (Mart.), n. comb. Bramia semiserrata 
