240 
F. Fax u. R. Knuth. — Primulaceac. 
Gaz. XXXIII. (1 902) 2 11. — Planta 3 — 25 cm alta. Rhizoma obliquum crassitie pennae 
anserinae, brunneum, radicibus exs. fuscis, vix carnosulis dense vestitum. Folia plus 
minus late ovata, in petiolum laminae aequilongum vel breviorem subito contracta, glabra, 
acutiuscula, cartilaginea vel membranacea, cartilagineo-dentata vel fere integra, 2 — 5 cm 
longa, 7 — 15 mm lata. Scapus foliis 1 — 3-plo longior, sub fructu elongatus et tum 
— 5-plo longior; umbella 2 — 3-Ilora; pedicelli I — 2, sub fructu — 3 cm longi, glanduloso- 
puberuli glandulis puberulis; bracteae 3 mm longae, subulatae. Calycis usque ad 
mediam partem partiti laciniae deltoideae, acutae; corollae violaceae lobi oblongo-lineares, 
1 5 mm longi ; filamenta in tubum conjuncta , inclusa. Capsula calyce 2-plo longior, 
manifeste operculata. 
An beiden Küsten der Behringsstraße: St. Lorenzbusen (Chamisso a. 1828!, 
Au. et Ar. Krause n. 11‘U, Blaisdell nach Eastwood); Port Clarence fKjell- 
mann, Vega-Exped. !) ; Arakamtchetchene Isl. (Wright, Herb, of N. S. N. Pac. Explor. 
Exped. !). Blühend im Juli u. August. Zweifelhaft Oregon (Howell’s Pacif. Coast. PI.!), 
Utah (Eaton n. 218!). 
10. D. acuminatum Rydberg in Mem. N. York Bot. Gard. I. (1 900) 304. — 
Scapus 10 — 15 cm altus. Folia oblongo-elliptica, 5 — 6 cm longa, sensim in petiolum 
brevem attenuata, plerumque obtusa, integra, puberula. Umbella 3 — 5-flora. Bracteae 
lanceolatae, membranaceae. Calycis in pedicellum sensim acuminati laciniae lanceo- 
latae; corollae albae, purpureo- vel roseo-tinctae lobi lanceolati, 12 — 15 mm longi, 
acuminati; stamina plerumque libera, tubus vix 1 mm longus, antherae 6 — 7 mm longae; 
connectivum purpureum, basi latum et rugulosum. 
Montana: Missouri River oberhalb der Mündung von Sand Coulee (Anderson 
a. 1885). — Herb, of Columbia Univ. 
Nota. Species similis foliis D. cylindrocarpo et calyce D. Cusickii, a quibus autem 
diversa staminibus, eis D. conjugentis similibus. 
11. D. campestre Howell, Fl. N.-W. America I. (1 897) 432. — Glaberrima. 
Folia oblonga, obtusa vel acutiuscula, 2 1 / 2 — 5 cm longa, in petiolum late alatum sensim 
coarctata. Scapi 7,5 — 12,5 cm alti, 1 — 3-flori. Bracteae lanceolatae, acuminatae, 
2,5 — 7,5 mm longae. Pedicelli 10 — 15 mm longi. Calycis laciniae lanceolatae, acutae, 
5 mm longae; corollae lobi anguste oblongi, apicem versus angustati, 15 — 17,5 mm 
longi, 2,5 mm lati vel latiores, albidi, medio coerulei, basi albi; filamenta brevissima; 
antherae lineari-oblongae, obtusae , albidae, basi intense purpureae. Capsula oblonga, 
5 valvis dehiscens. 
Washington: Klickitat Co., auf den Ivlickitat-Hügeln. 
12. D. cylindrocarpum Rydberg in Mem. N. York Bot. Gard. I. (1 900) 305. — 
Scapus satis robustus, 10 — 20 cm altus. Folia 5 — 10 cm longa, oblongo-oblanceolata, in 
petiolum alatum sensim attenuata, plerumque obtusa, carnosula, medio nervo incrassata, 
glabra. Umbella 4 — 7-flora. Bracteae lanceolatae, 5 — 8 mm longae. Calycis laciniae 
lanceolatae, 5 mm longae; corollae tubus luteus, lobi coeruleo-purpurei, oblongi vel ' 
lanceolati, obtusi vel acuti, 12 — 15 mm longi; filamentorum tubus brevissimus, I mm 
vix superans; antherae lineari-oblongae, 6 — 7 mm longae, acutae; connectivum lanceo- 
lato-acuminatum, usque ad apicem antherarum intense purpureum. Capsula cylindrica, 
15 — 20 mm longa vel longior, 5 mm diam. , primo operculo, tum 5 valvis dehiscens 
(ex Rydberg). 
Felsengebirge, auf fruchtbarem Boden der Thäler höherer Regionen, 1 500 — 
2500 m: Montana, Missouri River oberhalb der Mündung von Sand Coulee (Anderson 
a. 1 885), Bridger Mountains (Rydberg und Bessey n. 4674, 4675), Great Falls 
(Williams n. 7 8 1 ) ; Yellowstone Park, Indian Creek (Tweedy n. 432 ex pte.); 
Washington, Snogalme Pass (Tweedy a. 1 882). 
Nota. Species D. paucifloro similis, sed distincta foliis latioribus et crassiusculis, fila- 
mentis multo brevioribus. 
13. D. glastifolium Greene in Erythea III. (1 895) 71. — Caudex depressus, 
parvus, radices parvas breves emittens. Folia pauca, plerumque oblongo-lanceolala, 
