58 UNITED STATES AND MEXICAN BOUNDARY. 
is sometimes 14 inch in diameter. It is a rare species in California, but is not uncommon in 
the gardens of Europe, into which it is generally thought to have been introduced from South 
America; but we strongly suspect that the” seeds were brought by Menzies to England from 
California. 
LUPINUS LITTORALIS， Dougl.; Agardh, l. с. p. 36. Monterey, California, May; Parry. 
| БОРНОВА sericea, Nutt. Gen. 1, p. 280; Gray, Pl. Wright. 1, р. 54. Low moist places along 
the Rio Grande and its tributaries, from New Mexico to San Elceario ; also in Coahuila ; May— 
June. 
. SopHora speciosa, Benth. ; Gray, Pl. Wright. 1, р. 54. Rocky valley of the Pecos; Septem- 
ber, (in fruit ;) Bigelow. Fort Inge, Texas; Parry. Rinconada Pass, Neuvo Leon; Thurber. 
SOPHORA TOMENTOSA, Linn.; Torr. & Gray, Fl. 1, p. 389. Brazos, Santiago, Texas; May; 
Schott. 
THERMoPSIS FABACEA, DC. Prodr. 2, p. 99. Т. montana, Nutt. in Torr. & Gray, Fl. 1, p. 388. 
Napa county, California, March; Thurber. Near the summit of the mountains east of San 
Diego, California, June; Parry. 
OLNEYA TESOTA, Gray, Pl. Thurb. p. 328; Torr. in Pacif. Railroad Expl. 7, р. 10, t. 5. 
Ravines in the table lands on the lower Gila, often in company with Cercidium floridum ; Parry, 
Thurber. Hills near Fort Yuma, California, January ; Schott. 
CERCIS OCCIDENTALIS, Torr. in Gray, Pl. Lindheim. 2, p. 177. Valley of the Devil's river, 
western Texas; Bigelow. Also in California. Mr. Blake informs me that the camels, lately 
imported into the United States, are very fond of the leaves of this plant. 
Ноғғмахвкавта JAMESII, Torr. & Gray, РІ. 1, p. 54; Gray, Pl. Wright. 2, p. 49. Sandy 
places near Fort Fillmore, and other places, in New Mexico, April—September ; Bigelow. 
HorrFMANSEGGIA CAUDATA, Gray, Pl. Lindh. 2, p. 119: Pl. Wright. 1, p. 54. Оп the lower 
Rio Grande, April; Schott. In our specimens there are from 2—4 ріппе. The leaflets vary 
from 4 to Т pairs in the lateral pinnz, and from 9—15 (rarely only Т) in the terminal one. Some- 
times they are scarcely a line in length. 
HOoFFMANSEGGIA- MICROPHYLLA (n. sp.:) puberula; ramis elongatis virgatis; pinnis unijugis . 
cum impari, lateralibus 10—12-foliolatis, terminali 14— 20-foliolata, foliolis minutis oblongis 
eglandulosis ; bracteis stipulisque caducis; racemo laxifloro elongato; legumine subfalcato 
acuto glandulis subsessilibus asperato. Sandy desert of the Colorado, California; Schott. Plant 
apparently two feet or more in height. Stem aud brauches green, minutely velvetty, pubescent. 
k. Lateral pinnæ 3—4 lines long, the terminal one nearly twice as long. Leaflets scarcely a line 
in length, pubescent. Calyx softly pubescent. Corolla yellow ; the claws of all, and the back 
2 of the vexillum, somewhat glandular. Ovary thickly covered with pale disciform glands. Pods 
sessile, about 3 of an inch long and neari 3 lines wide, nearly straight on the upper suture, 
4—6-seeded. 
— HOFFMANSEGGIA OXYCARPA, Gray, Pl. Wright. 1, p. 55. Vallies and hills of the San Pedro 
river, Texas, Мау; Bigelow. * 
HorrwaANsEaGIA STRICTA, Benth. in Gray, Pl. Wright. 1, p. 56. Sterile soils along the Rio 
Grande, from El Paso to Eagle Pass, Texas; also in New Mexico, April—July. 
. H. STRICTA f. DEMISSA, Gray, 1. c. San Elceario; Parry. On the Pecos; Schott. . 
HoFFMANSEGGIA MELANOsTICTA, Gray, l. е. p. 54, (adnot.) Pomaria melanosticta, Schauer. On 
the Rio Grande below the cafion of San Carlos, October, (in flower and fruit;) Parry. Rin- 
conada, and Monterey, Neuvo wi Dr. dew Our plant differs somewhat from the 
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