CARYOPHYLLE. 69 
7. Stellaria, sp. 7 
Costa Rica (Endres, 38). Hb. Kew. 
8. Stellaria, sp. 
Sourn Mexico, Tacubaya, valley of Mexico(Bourgeau, 20), Orizaba (Salle). Hb. Kew. 
5. ARENARIA. 
Arenaria, Linn. Gen. Plant. n. 569; Benth. et Hook. Gen. Plant. i. p. 150. 
Upwards of 130 species, distributed nearly all over the world, but confined to 
lofty mountains within the tropics. 
1. Arenaria alsinoides, Willd. in Mag. Gesell. Naturf. Freunde Berl. vii. p. 196. 
Arenaria nemorosa, H. B. K. Nov. Gen. et Sp. vi. p. 35. 
Arenaria diffusa, Elliott; Mehringia nemorosa, Fenzl; Stellaria elongata, Nutt.; Stellaria lanugi- 
nosa, Torr. & Gray ; Micropetalon lanuginosum, Pursh. 
Common from Norta Carouna to—MeExico (Coulter, 703, 705, 694, 695; Bourgeau, 
19, 281; Jurgensen, 347; Mueller, 957 ; Galeotti, 10,000 to 12,000 feet, 4399, 4397, 
4413: Botteri, 1116; Linden, 940; Schaffner, 3; Parry & Palmer, 48); CENTRAL 
America (Salvin & Godman, 316 ; Seemann, 1174; Bernoulli, 186).—And in the Wrst 
Inpies, and southward to Peru and BoLivia. 
There may be several species mixed under this name. 
9. Arenaria bourgei, Hemsley, Diag. Pl. Nov. pars altera, p. 21. 
Ramis debilibus procumbentibus parcissime pilosulis, foliis parvis distantibus lineari-oblongis, 
floribus solitariis axillaribus pedicellatis, pedicellis quam folia longioribus, sepalis glabris ovato- 
oblongis vel fere ellipticis margine diaphano-scariosis, petalis obovatis quam sepala duplo longi- 
oribus, filamentis filiformibus basi cohzrentibus biglandulosis, glandulis prominentibus au- 
rantiacis, capsula polysperma. . 
Herba procumbens ; ramis debilibus procumbentibus angulatis, 3-12-pollicaribus, parcissime pilo- 
sulis. Folia sessilia et basi subamplexicaulia, linearia vel oblonga, circiter 3 lin. longa, 
obtusa vel subacuta, crassiuscula, obscure ciliolata. Flores albi, pentameri, circiter 4-5 lin. 
diametro, solitarii, axillares, pedicellati pedicellis gracilibus, 3-6 lin. longis; sepala glabra, 
ovato-oblonga vel fere elliptica, margine diaphano-scariosa ; petala obovata, sepalis duplo 
longiora; stamina 10, filamentis filiformibus, basi coherentibus biglandulosis, glandulis 
magnis aurantiacis; ovarium globosum, stylis 3 a basi liberis. Semina numerosa, reniformia, 
cinnamomea, nitida, obscure punctulata. 
Norri Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 62); 
Sourn Mexico, aqueduct of Chapultepec (Bourgeau, 22), and valley of Mexico, 280. 
Hb. Kew. 
3. Arenaria bryoides, Willd. in H. B. K. Nov. Gen. et Sp. vi. p. 33. 
Mountains of Sour Mazxico, peak of Orizaba, 12,490 feet (Linden, 938), on the 
borders of perpetual snow, Popocatepetl (Aschenborn, 730), Toluca, 14,000 to 15,000 
feet (Heller), at 11,500 feet (Humboldt & Bonpland), Popocatepetl, up to the volcanic 
sand (H. Christie). Hb. Kew. 
