[From the Bulletin of the Torrey Botanical Club 40 : 461-485. 12 S 1913.] 



Studies on the Rocky Mountain flora — XXIX 



Per Axel Rydberg 



MONOTROPACEAE (Jard^. 



Hypopitys latisquama Rydb. sp. nov. 



Plant pink, 1-3 dm. high, more or less short-pubescent above; 

 scales of the stem broadly ovate, obtuse, 1-1.5 cm. long; flowers 

 usually 10-15 ; sepals spatulate or cuneate, 8-10 mm. long, 

 abruptly acuminate, ciliate; petals cunate or obovate, 11-12 mm. 

 long, rounded and sinuate at the apex, pubescent and ciliate, fila- 

 ments and style copiously hairy; stigma retrorsely bearded. 



This is closely related to H. lanulosa (Michx.) Nutt., but differs 

 in the large and broad scales on the stem and the larger flowers. 



Montana: Bridger Mountains, July 28, 1896. Flodman 708 

 (type, in herb. N. Y. Bot. Gard.). 



Wyoming: 1873, Parry iq6. 



Washington: Olympic Mountains, Elmer 2464. 



PRIMULACEAE 



Primula specuicola Rydb. sp. nov. 



Perennial with a short rootstock; leaves 5-13 cm. long, thin, 

 slightly farinose when young, in age glabrate, with winged petioles; 

 blades spatulate or elliptic, obtuse at the apex, sinuate-dentate; 

 scape 1-1.5 cm. long; umbels 10-20-flowered; bracts linear-subu- 

 late, thin, 5-10 mm. long, slightly gibbous at the base; pedicels 

 5-10 mm. long in flower or 1-4 cm. long in fruit; calyx densely 

 farinose; tube deeply campanulate, 3-5 mm. long; lobes linear- 

 oblong, 2.5-3.5 mm - long* obtusish; corolla-tube yellowish, 8-10 



461 



