Geranium. 103 



pseudo-dichotome ramosi, stricti, ad nodos paucos (2 — i) sparsim foliati, aeque ac petioli 

 pilis vix retrorsis hispidi. Folia basalia numerosa, graciliter petiolata, petiolis 6 — 

 18 cm longis; lamina pilis brevibus adpressis obsita, ambitu reniformi-rotundata, usque 

 ad 3y^ — 4y^ regulariter palmato-partita, lobis usque ad Y3 palmato-3-dentatis, denlibus 

 inlerdum rursus paucidentatis ; folia caulina inferiora basalibus plane aequiformia, 

 superiora brevius petiolata, summa parva sessilia. Pedunculi (6 — i2 cm longi) et pedi- 

 celli (2 cm longi) pilis retrorsis adpressis, nequaquam glandulosis muniti. Sepala in- 

 conspicue 3-nervata, glabra, ovalo-oblonga, demum margine rubella, mucronata mucrone 



1 mm longo. Corolla magna, 2^4 — 2^/2 cm diam., purpurea vel etiam atro-purpurea. 

 Petala oblongo-obovata. Stamina calyci aequilonga; antherae ellipsoideae, 3 mm longae. 

 Stigmata 5—6 mm longa. Fructus maturus 25 — 30 mm longus; valvulae pilis longis 

 adpressis, rostrum pilis brevibus obsita. Semina minute punctulato-striatula. 



Wyoming, Arizona und Colorado bis Mexiko, 2000 — 2300 m: Wyoming, 

 in Albany Co. (A. Nelson, PI. of Wyoming a. 1900 n. 7330 !). — Arizona, bei 

 Flagstaff (Mac Dougal, PI. of Arizona n. 1 18!). — Colorado, bei Colorado Springs 

 (Jones, Fl. of Colorado a. 1878 n. 150!), Mancos (Baker, Earle a. Tracy, PI. 

 South. Color. n. 40*!), bei Arboles (Baker, PI. South. Color. n. 448!). — Südliches 

 Californien, in San Bernardino Co. (Parish, PI. of South. Col. n. 378 41, Orcutt, 

 South, et Lower Calif. Flora a. 1883!). — Neu-Mexiko, in Lincoln Co. auf den Capitan 

 Mts. (F. S. u. E. S. Earle, PI. New Mex. n. 20l!), bei Santa Fe (Fendler, PI. Novo- 

 Mexic. a. 1847 n. 89!, A.A. u. E. G. Heller, New Mex. PI. n. 3723!). — Mexiko, 

 bei Colonia Garcia in der Sierra Madres (Townsend-Barber, Chihuahua Fl. n. 227!). 

 — Blüh. u. frucht. Juni — August. 



78. G. Cowenii Rydberg, Fl. Color. (1906) 218; Hanks et Small in Underwood- 

 Britton, North Americ. Fl. XXV. 1. (1907) 16. — Perenne. Caudex sparsim ramosus. 

 Gaules pauci, scapoidei, erecti, 30 — 50 cm longi, retrorse pubescentes. Foliorum lamina 

 ambitu pentagona, 2'/2 — ^ cm lata, 3 — ö-partita, lobis divisis, lobulatis et dentatis, 

 crassiusculis, satis canescentibus; foliorum basalium petioli elongati, sicut caulis pubes- 

 centes. Pedicelli ± hirsuti. Sepala mucronata, exteriora 10 — 12 mm longa, elliptica, 

 ciliata. Petala roseo-purpurea, 12 — 15 mm longa. Rostrum 15 — 18 mm longum, 

 gracihler pubescens et interdum sparsim glandulosum. Semina reticulata (ex Hanks 

 et Small). 



Colorado und Wyoming: Colorado, in Rist Caiion (W. F. Marshall n. 1 157 — 

 Typus). 



79. G. marginale Rydberg ex Hanks et Small in Underwood-Britton, North Americ. 

 Fl. XXV. 1. (1907) 16. — Perenne. Caudex caespitose ramosus. Gaules erecti vel 

 ascendentes, 10 — 40 cm longi, inferne plerumque simplices, pilis brevibus retrorsis et 

 satis adpressis minute pubescentes. Foliorum lamina ambitu pentagona, 2 — 3 cm lata, 

 minute pubescens, 3 — 5-partita, lobis — saltem terminalibus — cuneatis et plerumque apice 

 3-dentalis. Pedicelli dense retrorso-pubescentes. Sepala mucronata, exteriora 8 — 91/2 ^^ 

 longa, elliptico-lanceolata, minute pubescentia. Petala pallide rosea vel rosea, 12 — 

 15 mm longa. Rostrum 15 — 18 mm longum, minute hirsutum. Valvulae 41/2 — ^ '^^ 

 longae, sparsim pubescentes (ex Hanks et Small). 



Utah: Auf dem Aquarius Plateau der Spitze des Poison Creek (Rydberg und 

 Carlton a. 1905 n. 7401 — Typus). — Blühend und fruchtend August. 



80. G. atropurpureum Heller in Bull. Torr. Bot. Club XXVIII. (1898) 195; 

 Briquet in Ann, Cons. et Jard. Bot. Geneve XI — XII. (190 8) 186. — (r. ^ma/e Engelm. 

 in A. Gray, PI. Fendl. (1849) 27; Hanks et Small in Underwood-Britton, North 

 Americ. FI. XXV. 1. (1907) 16. — Perenne. Caudex ramosus. Gaules suffruticoso- 

 ramosi, ascendentes vel divaricati, 10 — 90 cm longi, saepe scapoidei, retrorso-pubes- 

 centes. Foliorum lamina crassa; ea foliorum inferiorum reniformis vel orbicularis, 



2 — 5 cm lata; ea fohorum superiorum pentagona vel triangularis; semper canesccns 

 vel strigilloso-canescens, 3 — 5-partita, lobis incisis vel profunde dentatis. Pedicelli pilis 



