420 



Ulmus glabra — Uredo lucumae 



Ulmus glabra var. pendula f. antarc- 

 tica Schneid. II, 239 



— — var. pendula f. viminalis 

 Schneid. II, 239 



— — var. pubescens f. Berardii 

 Schneid. II, 239 



— — — /. purpurascens Schneid. II, 

 238 



f. van Houttei Schneid. II, 239 



/. trieuspis Rehd. II, 238 



— gracilis Hort. II, 239 



— intermedia Hort. II, 238 



— montana a. corylifolia Zapal. TI, 

 238 



— — lutescens Vanhouttei Schelle II, 

 238 



trieuspis Schelle II, 238 



— — var. tridens Lange II, 238 



— — var. triserrata Lavalt. II, 238 



— — viminalis Schelle II, 239 



— — var. viminalis f. gracilis Bae- 

 nitz II, 239 



— — viminalis gracilis aurea Schelle 

 II, 239 



marginata Schelle II, 239 



— nitens var. Berardi Bean II, 239 



— purpurea Hort. II, 238 



— Rosseelsii K. Koch II, 239 



— scabra Koch II, 238 



f. heterophylla Schneid. II, 238 



— — /. major viminalis Voss. II, 239 



— — f. trieuspis Dipp. II, 238 



— trieuspis Koch II, 238 



— tridens Hort. II, 238 



— triserrata Hort. II, 238 



— viminalis Lodd. II, 239 



var. aurea Bean II, 239 



gracilis Schelle II, 239 



— — var. variegata Bean II, 239 

 Ulocbloris Pascher N. G. 415, 514 



— oscillians Pascher* 415, 514 

 Ulotricbaceae 410 

 Ulotrichales 410, 413, 448 



Ulothrix 407, 419, 470, 473. — N. A. 

 514 



— crassa 512 



— gelatinosa Fritscli* 514 



— parietina 512 



— pseudoflacca f. maxima Setrlt. 

 et Gardn.* 515 



Ulothrix radicans 513 



— — var. schizogonioides 513 



— spiroides G. S. West* 515 



— subconstrieta G. S. West.* 515 



— subflaccida 411 



— subtile Kütz. 511 



— velutina 512 



Ulva 11, 49, 50, 474. — N. A. 515 



— fasciata Bory f. costata Hoice* 515 



— lactuca 474 

 Umbelliferae II, 239 

 Umbellularia N. A. II, 139 



— californica II, 139 

 Uncaria N. A. II, 200 

 Uncinula N. A. 344 



— curvispora Hara* 344 



— geniculata Gerard var. carpinicola 

 Hara* 344 



— necator (Schw.) Burr. var. actini- 

 diae Hara* 344 



— septata Sahn var. curvispora Hara 

 344 



Undaria 431 



— pinnatifida 431 

 Ungnadia speciosa P. 321, 330 

 Uniola N. A. II, 30 



Unona Kentii Bl. II, 57 



— latifolia Dunal II, 57 



— macrantha Kurz II, 58 

 Uraria manubriata Wall. II, 58 

 Urceola punctata Quel. 296 

 Uredinaceae 254 



Uredineae 206, 249, 251, 299, 301, 302, 



308, 332, 344 

 Uredinales 206, 207, 240, 248 

 Uredo N. A. 344 



— adenocalymnatis P. Henn. 333 



— amicosa Arth.* 225, 344 



— anthephorae Syd. 333 



— bambusarum P. Henn. 333 



— biporula Anh.* 225, 344 



— cristata Speg. 228, 301, 345 



— cyperi-tagetiformis P. Henn. 333 



— domingensis Berk. 299 



— fuirenae P. Henn. 333 



— gouaniae Ell. et Kels. 333 



— igneva Arth* 225, 344 



— incomposita Kern* 344 



— Kaernbachii P. H. 333 



— lucumae Arth. et Johnst* 345 



