200 
the blossom closes at evening and only reopens in the morning 
after the sun has commenced to shine”; and, according to 
Jepson* Anogra californica has vespertine flowers, remaining 
open two or three hours in the morning, or on a cloudy day until 
noon. Wooton and Standley describe the flowers of Anogra as 
nocturnal.t 
Certain authors describe the seeds of Raimannia as being 
“ erowned by a tubercle,” but this appears to be a character 
The principal synonymy and a generic description of 
Raimannia are given below, followed by an enumeration of 
species referred to the genus by the writers. The list is not 
exhaustive, as it does not seem desirable to include certain 
little-known species of which no authenticated material has been 
available for examination 
Rose in Contrib. U.S. Nat. Herb. viii. 0 
(1905); Britton et Brown, Ill. Fl. ed. 2, ii. p. 596 (1913). 
Wooton et Standley in Contrib. U.S. Nat. Herb. xix. p. 470 
(1915). Oenothera, Spach, Hist. iv. p. 353 (1835); et in Ann. 
Se. Nat. sér. 2, iv. p. 164 (1835); Raimann in Engl. et Prantl, 
Nat. Pflanzenf. iii. pt. 7, p. 214 (1893); Small in Bull. Torr. Bot. 
Club, 1896, xxiii. p. 172; Reiche, Fl. Chile, ii. p. 256 (1898); 
Small, Fi. S.E.U.S. ed. 2, p. 840 (1913). 
Alabastra erecta, rarius nutantia. Flores tetrameri, nocturni, 
rarius diurni. Hypanthium elongatum, subcylindricum. Sepala 
reflexa, decidua. Petala lutea, exsiccando plus minusve rube- 
scentia. Stamina 8, aequalia; antherae medifixae, versatiles, 
lineares; pollinis grana solitaria. Ovariwm 4-loculare; ovula 
ascendentia, 2-seriata. Capsula linearis vel lineari-oblonga, 
quadrangularis, loculicide dehiscens, columna centrali. Semina 
numerosa, subteretia.—Herbae caulescentes, foliis alternis, 
floribus axillaribus vel spicatis. 
Species 20-30, Americae borealis, Mexici et Americae australis 
incolae. Typus: R. mollissima (Linn.) Sprague et Riley. 
KNUMERATIO SPECIERUM. 
R. Berteriana, Sprague et Riley, comb. nov.—Oenothera 
Berieriana, Spach. : 
. colimae, Rose. 
R. confusa, Rose. 
R. coquimbensis, Sprague et Riley, comb. nov.—Oecnothera 
coquimbensis, C. web 
R. 
R. heterophylla (Spach), Rose. 
R. humifusa (Vutt.), Rose. 
Fi. W. Mid. Calif. ed. 2, p. 282 (1911). 
: Contrib. U.S. Nat. Herb. xix. pt 467 (1915). 
