HYDROPHYLLACEA, . 365 
14. Nama stenocarpum, A. Gr. in Proc. Am. Acad. x. p. 331; Synop. Fl. N, 
Am. ii. p. 174. 
Nama undulatum, A. Gr. in Proc. Am. Acad. viii. p. 282 (non H. B. K.). 
Capsula cylindrica fere lineari ; seminibus majoribus demum angulatis, testa crassa opaca reticulata ; 
pedunculis fructiferis brevissimis rigidis vel nullis. 
Texas to Arizona.—Norta Mexico, along the border to Sonora. Hb. Kew. 
tttt Folia caulina pleraque secus caulem alato-decurrentia ; sepala sursum parum dilatata; semina 
subglobosa, testa crassiuscula favosa. Herbe annue vel subperennantes. 
t Procumbentes, latifoliz, pedunculis brevibus vel brevissimis. 
15. Nama jamaicense, Linn. Sp. Pl. p. 327; DC. Prodr. x. p. 182; A. Gr. 
Synop. Fl. N. Am. ii. p. 174. 
Texas; Fuoripa.— Mexico, Tepic (Barclay), Vera Cruz to Orizaba (Miiller, 292 ; 
Bourgeau, 2566); Guatemata (Bernoulli; Tiirckheitm).—And widely dispersed in the 
West Inpies. Hb. Hew. 
tt Assurgentes, diffuse, pedunculis filiformibus folia sepius excedentibus hinc inde furcatis. 
16. Nama biflorum, Choisy in DC. Prodr. x. p. 183. 
Gracile, villoso-hirsutum ; foliis oblongo-spathulatis inferne sensim attenuatis, venis inconspicuis 
adscendentibus ; corolla quam calyx paullo longiore. 
Norta Mexico (Berlandier, 780, 2126, and 2200, not “ 200”), region of San Luis 
Potosi, 6000 to 8000 feet (Parry & Palmer, 7024); Sourn Mexico, valley of Mexico 
(Sourgeau, 607)? Hb. Kew. 
17. Nama subpetiolare, A. Gr., n. sp. | 
Pube prorsus molli villosum ; foliis obovatis ovatisve subito quasi in petiolum alatum sat longum 
contractis, secus caulem sepe breviter decurrentibus, venis subtus prominulis patentibus ; 
corolla (lineas 5 longa) quam calyx duplo longiore. 
Nortu Mexico, near Monterey, Nuevo Leon (Palmer, 985). Hb. Kew. 
5. HYDROLEA. 
Hydrolea, Linn. Gen. Plant. n. 318; Benth. et Hook. Gen. Plant. 11. p. 831. 
Herbs or undershrubs. About fifteen species, widely dispersed in America, Tropical 
Africa, India, the Malayan Archipelago, and Tropical Australia. 
1. Hydrolea glabra, Choisy in DC, Prodr. x. p. 1812 
Sout Mexico, Yucatan and Tabasco (Johnson, 52). Hb. Kew. 
The type is recorded from “ New Spain,” which sometimes means one thing, some- 
times another. 
2. Hydrolea spinosa, Linn. Sp. Pl. p. 328; Aubl. Guian. i. t. 110; Bot. Reg. 
t. 566; DC. Prodr. x. p. 181. 
Soutn Mexico, Sierra San Pedro Nolasco, &c. Jurgensen, 608); Nicaragua, Chontales 
