206 MICEOSCOPIC PUNOI. 



time covered with the epidermis, oblong, unequal ; protospores 

 oval, slightly eonstricted,dark-browii;epi3poreminutelytubercu- 

 late; peduncles very short. — On Goats-beard (Tragopogon). 

 Fuccinia Tragopogonis of Corda has smooth spores. 



Pueoinia Compositarum, Sch. Composite Brand ; 

 spots obliterated or whitish; sort small, subrotund, generally 

 hypogenous, encircled with the ruptured epidermis; spores brown, 

 oval, scarcely constricted.— On the leaves of Centaureee, &c. 

 Autumn. Common. The Uredo spores are Trichobasis Ciehora- 

 eearum. (Plate IV. figs. 67, 68.) 



Fuccima Discoidearuui, Link. Sottthekuwood Beakd; 

 spots obliterated^ sori subrotund, minute, surronnded by the 

 ruptured epidermis ; sporidia brown, oblong or ovoid, somewhat 

 rhomboidal, with both cells attenuated and triangular ; peduncles 

 elongated. — On Artemisia maritima. Swanscombe Marshes. 1865. 

 The tJredo spores are Trichobasis Artemisia. 



riiccinia Syngenesiarum, Lk. Cltistered-Thistlb 

 Bbahd.; spots obliterated ; sori minute, collected in oval blackish- 

 brown, raised spots, covered with the epidermis ; spores brown ; 

 peduncles very short. — On the leaves of Thistles. Autumn. 

 Cotpmon. The Uredo spores are uncertain. (Plate IV. figs. 

 63, 64.) 



Puceinia glomerata, Grev. Bagtvoet Bkand; spots 

 pale; sori roundish, depressed, often confluent; spores oblong, 

 very variable ; peduncles short. — On leaves of Ragwort, Senecio 

 Jacobaa. Not couimon. 



Puceinia Virgaurese, Lib. Golden- kod Bkand ; spots 

 orbicular, pallid, then yellowish ; sori blackish-brown, minute, 

 punctiform, shining, clustered, nearly stellate, convex ; sporidia 

 oblong, subconstricted, yellowish-brown above, attenuated and 

 yellowish -white below ; peduncles short. — On leaves of Solidago 

 virgaurea. Shere, Surrey. July and August. 



Puceinia Cirsii, Lasch. Scatteked-Thistle Brand; 

 Protospores : sori scattered, pulverulent, brown ; spores globose, 

 cinnamon-brown, granular, at length delicately roughened. Brand- 

 spores : sori scattered, dark-brown, epiphyllous, encircled by tlie 

 ruptured cuticle ; spores shortly pedicellate, obtuse, dark-brown. 

 On leaves of drsium. 



Puceinia Andersoni, B. and Br. Spots epiphyllous, or- 

 bicular, surrounded by a brown border; sori hypophyllous, 

 minute, crowded, almost concealed by the pubescence of the leaf; 



