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. 



Frasera speciosa, Dougl. in Griseb. Gent. 329. Hook. Fl. 2, 66, tab. 

 153; Gray, Syn. 125. — Biennial; 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. 



POLEMONIACE^E. 



By Prof. T. C. Porter. 



Phlox longifolia, 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). 



Phlox longifolia, Nutt., var. Stansburii, Gray. — Arizona and Nevada, 

 1871, 1872, Watson's Rep. 



Phlox nana, Nutt. (PI. Gamb. p. 4; Gray, Proc. Am. Acad. 8, p. 256; 

 Watson, I. c. p. 464).— Santa Fd, N. Mex., June, 1874, Rothrock (8). 



Phlox Douglasii, Hook. (Gray, I. c. p. 254 ; Watson, I. c. p. 260). — 

 Nevada and Arizona, 1871, 1872, Watson's Rep. 



Phlox c^spitosa, Nutt (Gray, /. c. p. 253 ; Watson, I. c. p. 259). — 

 Nevada and Utah, 1871, 1872, Watson's Rep.; South Park, Colorado, July, 

 1873, Wolf. 



* Swkktia, L. — Single-stemmed perennials; leaves occasionally alternate, tbe lowest ones tapering 

 into an elongated, margined petiole; inflorescence thyreoid ; flowers nine; corolla rotate, with a very 

 short tube; nectariferous pits at the base of its lobes crested with a fringe; anthers versatile; seeds 

 flat, winged. 



