426 
Sporocephalum, 
Chev. 
Virgaria, Nees. 
Verticillium, Nees. 
Polyactis, Lk. 
Haplaria, Lk. 
Sporendonema, Desm 
Oidium, Lk. 
Acrosporium, Nees. 
Alysidium, Kze. 
Sporotrichum, Lk. 
Byssocladium, Nees. 
Alytosporia, Nees. 
Aleurisma, Lk. 
Collarium, Lk. 
Coccotrichum, Lk. 
Sepedonium, Lk. 
Tuburcina, Fr. 
Epochnium, Lk. 
Scolicotrichum, Kze. 
Fusisporium, Lk. 
Fusidium, Lk. 
Dendrina, Fr. 
Sporisporium, Ehrenb. 
Psilonia, Fr. 
Circinotrichium, 
Nees. 
Conoplea, Pers. 
Gliotrichum, Eschw, 
, Haplotrichum,Fj^c\m 
Arthrinium, Kze. 
Camptoum, Lk. 
Goniosporium, Lk. 
Sporophlceum, Nees. 
Polythrincium, Kze. 
Farinaria, Sowerb. 
Dematium, Pers. 
Chloridium, Link. 
Chcetopsis, Grev. 
Ccelospnrium, Lk. 
Trichostroma, Corda. 
Cladosporium, Link. 
Acladium, Lk. 
Ord. 4. Entophyti, 
Fr. 
Gymnosporangium, 
DC. 
Posidoma, Lk. 
Phragmotrichum, Kz. 
Coryneum, Nees. 
Sporidesmium, Lk. 
Exosporium, Lk. 
Seiridium, Nees. 
.Astrosporium, Kunz. 
Stilbospora, Pers. 
Didymosparium, Nees. 
Melanconium, Lk. 
Cryptosporium Kze. 
Cylindrosporium, 
Grev. 
Schizoderma, Kze. 
Hypodermiuni, Lk. 
Uredinaria, Chev. 
Sorosporium, 
Rudolph. 
Naeraaspora, Pers. 
Myxosporium, Lk. 
Septoria, Fr. 
Fusidium, Fr. 
Bullaria, DC. 
Papularia, Fr. 
Phylloedium, Fr. 
Torula, Pers. 
Altemaria, Nees. 
H or miscium, Ehrenb. 
Syncollesia, Agh. 
Tetracolium, Lk. 
Xenodochus, Schlecht. 
Puccinia, Pers. 
CcBoma, Nees. 
Dicceoma, Nees. 
Triphragmium, Lk. 
Phragmidium, Lk. 
Aregma, Fr. 
Epitea, Fr. 
.^cidium, Pers. 
Cronantium, Fr. 
Uredo, Pers. 
Ustilago, Fr. 
Spilocaea, Fr. 
Actinonema, Pers. 
Capillaria, Lk. 
Xyloma. 
Ectostroma. 
Asteroma. 
SPURIOUS GENERA. 
Depazea. 
Amphisporium ? 
Dichosporium ? 
Spermodermium. 
Mucilago, Vet. 
Embolus, Hoffm. 
Mesenterica, Tode. 
Phlebomorpha, Pers. 
FUNGOUS EXCRESCENCES OR DISEASES. 
Spermoedia, Fr. 
Fusidium, Nees. 
Uredo, Pers. 
Uromyces, Lk. 
Strumella, Fr. Mycomater, Fr. 
Phlaeoconis, Fr. Dacrymyces. 
Nosophlasa, -Fr. 
Also, according to Unger, 
Puccinia, Lk. Peridermium, Lk. 
Phragmidium, Lk. iEcidium, Lk. 
Taphrina, Fr. 
Erineum, Pers. 
Phyllerium, Fr. 
Rbstellia, Lk. 
Cronartium, Fries. 
Protomyces, Unger. 
Order CCXC. LICHENES, 1 
or I The Lichen Tribe. 
LICHENACEJE. J 
ALGiE, § 3. Lichenes, Juss. Gen. 6. (1789). — Lichenes, Hoffm. Enumerat. Lichenum, 
(1784); Acharius Prodr. Lichen. (1798); Id. Methodus, (1803); Id. Lichenogr. 
Univers. (1810); DC. FI. Fr. 2. 321. (1815) ; Fries in Act. Holm. (1821) ; Agardh 
Aph. 89. (1821) ; Eschweiler Syst.Lich. (1824^; Wallroth Naturgesch. der Flechten. 
(1824); Grev. Flora Edin. xix. (1824); Meyer ilber die Entwickelung, ^c. der 
Flecht. (1825); FeeMeth. Lich. (1825); Fries Syst. Orb. Veg. 224. (1825) ; Martius 
in Bot. Zeitung, 193. (1826) ; Fee in Diet. Class. 9. 360. (1826) ; Fries Lichenogr. 
Europcea. (1831); Eschw. in Mart. FI. Bras. 1. 51. (1833) ; Hooker Brit. FI. vol. 2. 
pt. 1. 129. (1833). — Byssoide^e, Grev. FI. Edin. 25. (1824); Fries Syst. Orb. Veg. 
(1825) ; Grev. Scott. Crypt. FI. 6. (1828) — Hvpoxla, in part, DC. FI. Fr. 2. 280. 
(1815); Grev. FI. Edin. xs.. (1824). — Graphide^, Chevallier Hist, des Graphidees. 
(1824, &c.) 
Essential Character. — Perennial plants, often spreading over the surface of the 
earth, or rocks or trees in dry places, in the^ form of a lobed and foliaceous, or hard and 
