516 NORTH -AMERICAN FLORA [VoLumE 7 
36. *TELEUTOSPORA Arth. & Bisby; Arth. Bull. Torrey 
Club 48: 38. 1921. 
Telospora Arth. Résult. Sci. Congr. Bot. Vienne 346, in part. 1906. 
Haplotelium Sydow, Ann. Myc. 20:124. 1922. 
Cycle of development includes pycnia (sometimes obsolete) and telia, both subepidermal. 
Pycnia immersed in the tissues of the host, globoid or flask-shaped, with protruding 
ostiolar filaments. 
Teliaerumpent, definite, on a limited or definite mycelium. Teliospores free, pedicelled, 
one-celled, sometimes germinating in the sorus at maturity; wall colored, smooth or verrucose, 
with one apical pore. 
Type species, Uromyces Rudbeckiae (on Rudbeckia laciniata). 
Inhabiting monocotyledonous hosts. 
Host belonging to family Liliaceae. 1. T. heteroderma. 
Inhabiting dicotyledonous hosts. 
Host belonging to family Caesalpiniaceae. 
Teliospore-wall less than 3 » thick. 2. T. jamaicensis. 
Teliospore-wall 3 » thick, or more. 3. T. bauhiniicola. 
Host belonging to family F. ‘abaceae. 4. T. abbreviata. 
Host belonging to family Euphorbiaceae. 5. T. Tranzschelii: 
Host belonging to family Myrsinaceae. 6. T. Myrsines. 
Host belonging to family Primulaceae. 7. T. nevadensis. 
Host belonging to family Carduaceae. : 
Teliospore-wall chestnut-brown, 2-3 u thick. 8. T. Solidaginis. 
Teliospore-wall cinnamon-brown, 1.5-2.5 uw thick. 9. T. amoena. 
Teliospore-wall pale-brownish, | » thick. 
Teliospores less than 30 uw long. 10. T. Rudbeckiae. 
‘Teliospores more than 30 p long. 11. T. Bidentis. 
1. Teleutospora heteroderma (Sydow) Arthur & Bisby. 
Uromyces heterodermus Sydow, Ann. Myc. 4:29. 1906. 
O. Pycnia amphigenous, not uncommon, gregarious in loose groups with the telia, 0.5-1.5 
mm. across, inconspicuous, dark golden-brown, flattened-globoid, 100-185 » broad, 65-130 u 
high; ostiolar filaments few, loose, up to 65 u long. 
III. Telia amphigenous, numerous, scattered or in small groups, sometimes upon pale 
spots, roundish or oval, 0.3-2 mm. across, rather early naked, pulverulent, dark cinnamon- 
brown, surrounding epidermis noticeable; teliospores ellipsoid or broadly ellipsoid, 19-26 
by 26-43 », rounded above, rounded or slightly narrowed below; wall dark golden-brown, 
1.5 w thick, thicker at apex with a distinct hyaline papilla, 3-6 », coarsely verrucose above, 
with the markings often in longitudinal ridges, smoother below; pedicel hyaline, fragile, short. 
On LILIACEAE: 
Erythronium grandifiorum Pursh, Montana, Utah, Washington; British Columbia. 
Erythronium montanum S. Wats., Washington. 
Erythronium obtusatum Goodding, Wyoming. 
Erythronium parviflorum (S. Wats.) Goodding (E. grandiforum parviflorum S. Wats.), 
Colorado, Montana, Oregon, Utah, Wyoming. 
TYPE LOCALITY: Wasatch Mountains, Utah, on Erythronium parvifiorum. 
DistRIBUTION: Rocky Mountain region from Colorado and Utah northward, and to the coast 
in Oregon. 
Exsiccati: Barth. Fungi Columb. 4694; Barth. N. Am. Ured. 789, 1592, 1692; Ellis & Ev. 
Fungi Columb. 750; Garrett, Fungi Utah. 118. 
2. Teleutospora jamaicensis (Vesterg.) Arthur & Bisby. 
Uromyces jamaicensis Vesterg. Ark. Bot. 415: 33, 1905. 
QO. Pycenia chiefly epiphyllous, gregarious in small groups with the telia, brownish, flat- 
tened-globoid, 65-100 » broad, 45-70 yw high; ostiolar filaments compact, hardly extending 
beyond the ostiole. 
III. Telia amphigenous, numerous, gregarious in small groups or occurring singly, some- 
times on small yellowish spots, roundish, small, 0.1-1 mm. across, early naked, pulverulent, 
chestnut-brown, surrounding epidermis noticeable; teliospores globoid, broadly ellipsoid or 
obovoid, 12-17 by 16-23 uw, rounded or slightly narrowed at both ends; wall cinnamon-brown, 
1.5-2 w, sometimes up to 3 uw, thick, thicker at apex, up to 4 4, with a lighter crater or cap- 
*Teleutospora in collaboration with Guy Ricnarp Brissy. 
