I j g R. Knuth. — Geraniaceae. 



glandulosis villoso-hirsuti ; internodium infimum elongatum. Foliorum lamina ambitu 

 pentagona, 4 — \ \ cm lata, ±: copiose hirsuta, 3 — 5-partita, lobis acute et irregulariter 

 incisis. Pedicelli glanduloso-villosi. Sepala mucronata, exteriora 12 — 15 mm longa, 

 oblonga vel oblongo-lanceolata, graciliter hirsuta, ciliata. Petala roseo-purpurea, i 7 — 

 20 mm longa. Rostrum 25 — 35 mm longum, circ. 2 mm crassum, glanduloso-pubes- 

 cens. Valvulae 4^2 — ^ ^^ longae, glanduloso-pilosae, praecipue apicem versus hir- 

 sutae. Semina graciliter reticulata (ex Hanks et Small). 



Süd-Dakota bis Britisch Columbia und Wyoming: Dakota, bei Ball Springs 

 im Distr. West of Custer (Rydberg, Fl. of the Black Hills of South Dacota a. 1892 

 n. 584!). — Montana und Yellowstone Park (Rydberg-Bessej, Expl. of Mont. and 

 Yell. Park a. 1897 n. 4514!, Scribner in Ganby, North Transcont. Survej a. 1883 

 n. na!, A. et E. Nelson, PI. of Yellowst. Nat. Park a. 1899 n. 5691!), Leverich 

 Ganvon (Blankinship, Fl. Mont. a. 1906 n. 102a!). — Oregon (Lyell, Oregon 

 Bound. Comm. a. 1860!). — Washington (Eimer, Fl. of Withman Co. a. 1896 n. 47!, 

 Suksdorf, Fl. of Washington a. 1884 n. 643! a. 1887!). — Wyoming, in Albany Co. 

 auf dem Laramie Peak (Aven Nelson, PI. of Wyoming a. 1900 n. 759l!). 



c) G. strigosum Rydb. in Bull. Torr. Bot. Club (1902) 2 43; Hanks et Small in 

 Underwood-Britton, North Americ. Fl. XXV. 1. (1907) 13. — G. Richardsonii Wats. 

 King's Rep. V. (1871) 49 ex pte., non Fisch et Mey. — Erectum, perenne rhizomate 

 brevi robusto. Caulis 40 — 80 cm altus, pilis reflexis graciliter strigosus. Petioli foHo- 

 rum basalium 20 — 50 cm longi, sparsim strigosi; Jamina ambitu reniforrais, 7 — 12 cm 

 diam., utrinque graciliter strigosa, intense 7-partita; lobi ambitu rhomboidei, trilobulati 

 et dentati; dentes lanceolati, acuti; folia caulina basalibus similia, sed brevipetiolata. 

 Stipulae lineari-lanceolatae, longe attenuatae. Inflorescentia laxa, glanduloso-pubescens. 

 Sepala dense glandulosa, ovalia, circ. 8 mm longa, mucronata mucrone 1 1/2 — 2 mm 

 longo. Petala late obovata, rosea vel pallide violacea, venis manifeste purpureis per- 

 cursa. Rostrum 3 cm longum; Stigmata circ. 6 mm longa. Semina reticulata (ex 

 Rydberg). 



Wyoming, Copperton (Tweedy a. 1901 n. 4591 — Typus in herb. N. Y. Bot. 

 Garden), Big. Hörn Mountains (Tweedy a. 1900 n. 3647). — Utah, City Creek Cafion 

 (M. E. Jones a. 1880 n. 1871), Parley's Canon (S. G. Stokes a. 1901), Black Rock 

 und Uintahs (S. Watson a. 1869 n. 204). — Bis 2700 m Höhe. 



Nota. Teste cl. autore species O. viscosissimo affinis est, a quo distinguitur corolla 

 pallidiore et pubescentia manifeste reflexa, strigosa, non glandulosa (inflorescentia excepta). 



d) G. canum Rydberg ex Hanks et Small in Unterwood-Britton, North Americ. Fl. 

 XXV. 1. (1907) 14. — G^. ineisum Howell, Fl. N.W. Am. (1903) 106, nonNutt. — 

 Perenne. Caudex plerumque simplex. Gaules inferne foliis denudati, 30 — 70 cm alti, 

 pilis laxe patulis vel retrorso-patulis dense pubescentes; internodium infimum valde 

 elongatum. Fohorum lamina crassiuscula, 6 — 12 cm lata, dense pilosa, ambitu dz 

 manifeste suborbicularis, 3 — 5-partita, lobis satis acute et irregulariter incisis. Pedicelli 

 glanduloso-hirsuti. Sepala mucronata, exteriora 1 3 — 15 mm longa, lii lanceolata, glan- 

 duloso-ciliata. Petala purpureä, 13 — 18 mm longa. Rostrum 30 — 40 mm longum, 

 circ. 2 mm crassum, glanduloso-pubescens. Valvulae 5 mm longae, minute pubescentes 

 et apicem versus parum glandulosae. Semina dense reticulata (ex Hanks et Small). 



Washington, Oregon und Wyoming: Oregon, in Willamette Valley (Rydberg 

 — Typus). — Wahrscheinlich Saskatschewan (Palliser's Brit. N. Am. Expl. Exped.!) und 

 Oregon (Bartholf a. 1876!). 



e) G. trolliifolium Small ex Hanks et Small in Underwood-Britton, North Americ. 

 Fl. XXV. 1. (1907) 14. — Perenne. Caudex simplex. Gaules erecti, circ. 20 — 30 cm 

 alti, hirsuti, superne sparsim ramosi. Foliorum lamina satis firma, ambitu reniformi- 

 pentagona, 3 — 6 cm lata, supra minute pubescens, subtus satis copiose hirsuta, plerumque 

 5-partita, lobis late ovatis vel fere rotundatis lobulatis vel incisis, dentibus acutis. Pedi- 

 celli pilis brevibus et praeterea longis glandulosis dense pubescentes. Sepala mucronata. 



