300 SKETCH OF THE VEGETATION OF 
10. P. confertus, Dougl. in Bot. Reg. t. 1360.—Hook. Fl. Bor. Am. 
vol. ii. p. 96.—8. nanus; omnibus partibus triplo minoribus. 
Has. Stony plains, Upper Columbia. July. n. 464.— 8. Stony 
E places and table-lands, Upper Sweet-water River. J uly. 2.238. 
j 11. P. deustus, Dougl. in Bot. Reg. t. 1318.—Hook. Fl. Bor. Am. 
vol. ii. p. 95. 
Has. Basaltic declivities of St. Joseph's, Cœur d'Aleine River. June. 
n. 448. 
12. P. ovatus, Dougl. in Bot. Mag. t. 2903.— Hook. Fl. Bor. Am. 
vol. ii. p. 96. 
Has. Shady alpine places, valley of Kooskooskie River. July. ».642. 
13. P. procerus, Dougl. in Bot. Mag. t. 2954.— Hook. Fl. Bor. Am. 
` vol. ii. p. 97.—P. Tolmiei, Hook. Fl. Bor. Am. v. 2. p.97. 
Has. Sunny rocky woods and banks of streams, Missouri and Oregon 
territory. July to September. n. 515. 
Sect. 4. Saccanthera. 
14. P. Richardsoni, Dougl. in Bot. Reg. t. 1121.— Hook. Bot. Mag. 
t. 2391. 
Has. Rocks at the Kettle Falls, Fort Colville, Upper Columbia. 
August. 2. 582. 
15. P. venustus, Dougl. in Bot. Reg. t. 1309.— Hook. Fl. Bor. Am. 
vol. ii. p. 95. : 
Haz. Slope of the high table-lands towards Kooskooskie. About 
fifty stems spring from a thick ligneous caudex. June. ».487.  — 
16. P. glandulosus, Dougl. in Bot. Reg. t. 1162.— Hook. Fl. Bor. Am. 
vol. ii. p. 95. 
Has. Dry shady rocky ravines of the trap mountains on the banks 
of the Kooskooskie, five miles above its junction with Lewis River. 
2. 362, 
Sketch of the VEGETATION of the Isthmus of Panama ; by M. BER- 
THOLD SEEMANN, Naturalist of H. M. S. Herald. 
(Continued from p. 270.) 
i Nor is the flora destitute of plants which claim attention on account 
. of their beauty, rarity, or singular configuration. The Espiritu santo, 
. or Holy Ghost plant (Peristeria elata, Hooker), bears a flower resem- 
_ bling a dove, and is, like the Flor de semana santa (another Orchidea), 
