BOTANY. | 63 
PRUNUS DEMISSA, Nutt. in Torr. Ф Отау, Fl. 1, p. 411, (sub Сегаво,) On the mountains east 
of San Diego, California, June, in flower; Parry. A shrub seldom more than from 4 to8 
feet high. 
PRUNUS. ILICIFOLIA, Nutt. l. c. (sub Ceraso,) Ё N. Amer. Sylv. 2, р. 16, t. 47; Hook. Ё Arn. 
Bot. Beechey, р. 340, t. 83. Near San Diego, and in other parts of California, May; Parry, 
Thurber. “This ornamental species seldom attains a greater height than 8 or 10 feet. The 
pulp of the fruit is flesh color and rather thin, but palatable. 
Prunus SUBCORDATA, Benth. Pl. Hartw. p. 308. Eastern slope of the Cordilleras of California, 
and near San Felipe. A straggling bush 4 to 5 feet high. Fruit sub-globose, half an inch in 
diameter, the pulp thin and disposed to separate into two valves. 
Prunus MINUTIPLORA, Engelm. in Pl. Lindh. 2. p. 185 (sub Pruno); Gray, Pl. Wright. 1, p. 
68. Gravelly places and ravines between Devil's River and the Rio Grande; also in Chihua- 
a; Parry, Bigelow. 
NUTTALLIA CERASIFORMIS, Torr. Ё Gray, im Bot. Beechey, p. 336, t. 82, & Fl. 1, p. 412 
Napa county, California, March—April; Zhurber. San Luis Obispo, in the same State; the 
most southern station of this plant that has come to our knowledge. | 
БРІВ ЖА ARLEFOLIA, Smith, in Rees Cyclop.; Torr. Ё Gray, Fl. 1, p, 416. Monterey, Califor- 
nia, May; Parry. 
SPIRAA DUMOSA, Nutt. in Hook. Lond. Jour. Bot. 6, р. 217; Torr. in Stansb. Rep. р. 381, t. 4 
Mountains near the Copper Mines, New Mexico, May, in flower, and August, in fruit ; Bigelow. 
SPIRAEA caspitosa, Nutt. in Torr. & Gray, Fl. 1, p. 418. Sides of steep and almost inacces- 
sible rocks on the Rio Grande, about 25 miles below El Paso, in Chihuahua, June; Bigelow. 
CERcocamPUS PARVIFOLIUS, Nutt. l. c. p. 427; Hook. Іс. t. 323. C. betulifolius, Nutt. L c. 
Valley of the Upper Rio Grande, and westward to California. Flowers in May and June, fruit 
matures in September. The limb of the calyx early breaks away from the tube, and is carried 
up, with the petals and stamens, on the elongated style; and sometimes remains as until the 
fruit is considerably grown. . ‚ел flor” oes ‚45. ges p. 
Cowanta Mexicana, D. Don’in Linn. Trans. 14, p. 574,4. 22. C. Жыры: Torr. in 
Stansb. Rep. р. 386, 4. 3. In various parts of Sonora and western New Mexico, April—June. 
My extensive series of specimens show that the two species here brought together are connected 
by intermediate forms. ын 
Cowanta ARLEFOLIA, Torr. in Gray, Pl. Wright. 2, р. 100) Crevices of calcareous rock оп 
the Rio Grande above the mouth of Pecos, October, in flower and fruit; Parry. 
АсжхА PINNATIFIDA, Ruiz & Pav. Fl. Per. 1, p. 68, t. 104; Torr. & Gray, Fl. p. 430. 
(Tas. ЖЕК: ) Monterey, California, April; Parry. 
ADENOSTOMA FASCICULATA, Hook. & Arn. Bot. Beechey, p. 139 d: 338; t. 30. Dry sandy hills ` 
and along the base of mountains, San Diego and Monterey, May; Parry, Thurber. А thick- 
set straggling bush, 7—8 feet high. 
ADENOSTOMA SPARSIFOLIA, Torr. in Emory's Report, p. 140. (Тав. XX.) Western slope of 
the Cordilleras of California, July; Parry. This species was first discovered by Major Emory 
on the same mountains, near Warner’s Pass. Dr. Parry states, in his notes, that it is a shrub 
from 4 to 8 feet high ; but Major Emory found some of it 30 feet high. The bark is reddish, 
and peels off in shreds. The leaves are solitary and alternate, narrowly linear (nearly half an 
e inich. long „and half a line wide) sparsely dotted (as are the branchlets) with minute roundish 
Эд T lo in rather loose terminal panicles. Pedicels very short. Calyx turbinate- 
EN 
