CATALOGUE. 197 
SWERTIA* pERENNIS, L., Gray, Syn. 124.—A span to a foot high; 
lowest leaves oblong or obovate, 2-4’ long; upper few and narrow, sessile ; 
~ flowers 1’ wide—Colorado and Utah mountains, in boggy places; also 
in Europe and Asia. 
Fraser speciosa, Dougl. in Griseb. Gent. 329. Hook. FI. 2, 66, tab. 
153; Gray, Syn. 125.—Bienn‘e]; stem stout, 2-6° high, very leafy; leaves 
in fours and sixes, nervose, the radical and lower cauline ones linear- 
oblong, 6-10’ long, acutish or obtuse, the upper narrower and shorter; 
flowers numerous, in a long leafy thyrsus; lobes of the greenish-white 
(rarely bluish) dotted corolla oval-oblong, acutish (6’’ long), bearing a pair 
of contiguous and densely long-fringed glands about the middle, and a 
distant transversely inserted and setaceously multifid scale-like crown near 
the base; anthers versatile; capsule compressed contrary to the deep boat- 
shaped valves; oblong seeds flat, margined—Willow Spring, Arizona, 
Rothrock (251), in 1874; Colorado, Wolf (790), in 1873. A mountain 
species, found in the Rocky Mountains and westward to California and 
Oregon. 
POLEMONIACEZ. 
By Pro. T. C. PORTER. 
Pxiox Loneirouia, Nutt. (Gray, Proc. Am. Acad. 8, p. 255; Watson 
in King’s Rep. 5, p. 260).—Nevada, 1871, 1872, Watson’s Rep.; Boulder, 
Colo., 1873, Loew (680); Central Colorado, 1873, Wolf (681). 
Puuiox Loneiroia, Nutt., var. Sranspuru, Gray.—Arizona and Nevada, 
1871, 1872, Watson’s Rep. 
Puiox nana, Nutt. (Pl. Gamb. p. 4; Gray, Proc. Am. Acad. 8, p. 256; 
Watson, J. c. p. 464).—Santa Fé, N. Mex., June, 1874, Rothrock (8). 
Puiox Dovetasn, Hook. (Gray, /. ¢. p. 254; Watson, J. ¢. p. 260).— 
Nevada and Arizona, 1871, 1872, Watson’s Rep. : 
Puiox caspitosa, Nutt (Gray, l. c. p. 253; Watson, l. ¢. p. 259).— 
Nevada and Utah, 1871, 1872, Watson’s Rep.; South Park, Colorado, July, 
1873, Wolf. 
* SweRTIA, L.—Single-stemmed perennials ; leaves occasicnally alternate, the lowest ones tapering 
into an elongated, margined petiole; inflorescence thyrsoid; flowers blue; corolla rotate, with a very 
short tube; nectariferous pits at the base of its lobes crested with a fringe; anthers versatile; seeds 
flat, winged. 
