988 - CATALOGUE OF MR. GEYER’S PLANTS 
Has. Volcanic plains and sandy Pine-woods, Spokan and Nez Percez 
country. July, August, very abundant. n. 449. This species 
had not been detected before to the west of the Rocky Mountains. 
ASCLEPIADEA, Br. 
1. Asclepias Douglasii, Hook. Fl. Bor. Am. vol. ii. p. 52. t. 142. 
Has. Moist sunny valleys of Upper Missouri and Oregon territories, 
2 feet high. Corolla pale rose-colour. Flowers very fragrant. 
July. 2.235. 
GENTIANE, Juss. 
1. Gentiana afinis, Griseb. in Hook, Fl. Bor. Am. vol. ii. p. 56. 
Has. Fertile moist grassy meadows of Upper Oregon, with “ Custil- 
leja miniata.” August. Also in the Missouri territory. n. 84. 
l. Frasera thyrsiflora, n. sp.; pentamera, caule elato crasso, foliis 
oppositis ternisve obovato-oblongis acutis radicalibus longe petiolatis 
supremis basi latioribus, cyma multiflora densissima racemiformi 
interrupta, calycis segmentis lineari-subulatis corollam .cæruleam $ 
æquantibus, fovea solitaria elliptica.—F. Caroliniana, Hook. Fl. Bor. 
Am. vol. ii. p. 66, non alior. 
Has. Mountain valleys, Spokan and Kettle Falls, valley of the Colum- 
bia, D. Douglas. Mountain woods of the Nez Percez and Cœur 
. d’Aleine, in moist open mossy places. Corolla litmus-blue. 3 feet 
high when in fruit. Succulent when young. Very rare. Geyer. 
n. 335. 
. A large species, with flowers equal to those of F. Caroliniana, and 
like them having but a solitary foveola at the base of each segment. Mr. 
Douglas’s specimen is in fruit, and in other respects imperfect, and I 
_ Was hence led erroneously formerly to refer it to the Caroliniana, 
which is peculiar to the east side of the Rocky Mountains. 
2. Frasera speciosa, Dougl. in Hook. Fl. Bor. Am. vol. ii. p. 67. t. 153. 
Has. Ravines of Upper Platte and Colorado Rivers. From 4 to 8 feet 
high. June. x. 266. 
3. Frasera albicaulis, Dougl. in Hook. Fl. Bor. Am. vol. ii. p. 67. t. 154. 
Has. Rare on the sandy denuded slopes of hills in the high plains of 
_ the Nez Percez Indians, along with Clematis Douglasii ; also in the 
Kooskooskie valley. A foot high when in ripe fruit. Flowers 
lavander-blue. Leaves glaucous. May. n. 352. 
