BOTANY. 7 
specimens, the dorsal part of each carpel is inflexed into the cell; but probably it is not so in 
the living plant. 
Tuuasrl Fenpweri, Gray, Pl. Wright. 2, p. 14. San Francisco prairie; Camp 81; April 27. 
Dirnyrea Cauirornica, Harv. in Hook. Lond. Jour. Bot. 4, p. TT, t. 5; Torr. in Whipp. 
Rep., p. 66. Cottonwood valley and Black mountains; March; ‘‘flowers greenish white.’’ 
DiruyreA WISLIZENI, Engelm. in Wisl. Mem. N. Mex., p. 11; Torr. in Marcy's Rep. t. 11, 
and Whipple's Rep., p. 66. Banks of Little Colorado; May 1. 
LEPIDIUM ALYSSOIDES, Gray, Pl. Fendl., p. 10, &c. Colorado Chiquito and on the Great Col- 
orado; March to May. 
Lepipium Wricutu, Gray, Pl. Wright. 2, p. 15. Yampai valley and Upper Colorado; 
March. 
STANLEYA PINNATIFIDA, Nutt.; Gray, Gen. Hl. ¢t. 65. Diamond river, Moqui country, &c. 
Some specimens are said to have the ‘‘ flowers white changing to yellow.’’ 
THYSANOCARPUS LACINIATUS, Nutt., in Torr. & Gray, Fl. 1, p.118. Sitgreaves’s Pass; March 
24. 
CAPPARIDACE A. 
ISOMERIS ARBOREA, Nutt., in Torr. & Gray, Fl. 1, p. 134. San Diego, California; No- 
vember I. 
RESEDACEZ. 
OLIGOMERIS GLAUCESCENS, Cambess, Gray, Pl. Wright. 2, p. 16. Alluvial bottoms of the 
Colorado; head of Mojave valley; Camp 49; February 18. 
CISTACEA, 
HELIANTHEMUM scopaRiuM, Nutt. in Torr. & Gray, Fl. 1, p. 152. San Pasqual, California; 
November 11. 
VIOLACEZ. 
Viota pepuncuLata, Torr. & Gray, 1. ¢.; Torr. Bot. Whippl., p. 68. Partridge creek; 
April 20. A shorter peduncled form; to be united with V. Nuttallii, Pursh. &c. 
FRANKENIACE. 
FRANKENIA GRANDIFOLIA, Cham. c& Schlecht.; Torr. & Gray, l.c. San Diego, California; 
November 6. 
CARYOPHYLLACE&. 
SILENE Drummonpul, Hook, Fl. Bor.-Amer. 1, p. 89. Sitgreaves’s Pass; March 24. 
ARENARIA Fenpiert, Gray, Pl. Fendl., p. 13; Torr. Bot. Whippl., p. 69. Oraybe; May 13. 
ARENARIA NURDIFOLIA, Ledeb. Fl. Alt., Hook. Fl. Bor.-Amer. 1, t. 32. Cedar creek; Camp 
79; April 24. 
PORTULACACE. r 
PortuLacca retusa, Engelm. Plant. Lindh. in Bost. Jour. Nat. Hist. VI, p. 154. Mojave 
valley and Colorado region; March, in flower and fruit; small specimens with stems two inches 
long. 
CLAYTONIA PERFOLIATA, Donn. San Diego, California; Long valley; Camp 62; March 25; 
very widely distributed. 
CLAYTONIA LANCEOLATA, Pursh. Fl. 1, p. 175, ¢. 3. Cedar creek; Camp 79; April 24. The 
imperfect specimen, like others from the Rocky mountains, has the appearance of C. Caroli- 
niana, and probably belongs to that species. 
