44 A.-M. AUE. 
amorpho 5-6 p lato tectæ ; gonidia 41-16 x lata sub corlice in stralo fere continuo ; 
hyphæ gonidiales 3-5 Lu crassæ, laxissime implexæ et circa aximradiantes ; axis medullaris 
ex hyphis verlicalibus ramosisque constans. Apothecia in speciminibus abyssinicis 
tantum visa, 3-7 mm. lala, in ramulis primum geniculatis et dein erectis enata, plana, 
excipulo lævi, margine fibrilloso, fibrillis 3-8 mm. longis, atque disco carneo et pruinoso- 
glaucescente prædila. Excipuli cortex 40 & latus eodem modo ac thalli cortex formatus; 
gonidia sub cortice sita et inter hyphas gonidiales, laxe implexas, dispersa ; hypothecium 
flavidulum; epithecium subnigrescens et granulosum; paraphyses 60 y altæ, 
2-3 y crassæ, articulalæ, aliæ simplices,aliæ ramosæ, ramis sæpe epithecium attingenlibus, 
apice paulum incrassalæ et 4 pu melientes ; thecæ 45 y longæ et 16 K lalæ, apice incras- 
satæ; sporæ 8"*, hyalinæ, simplices, ellipsoideæ, 10 x longæ et 1-8 x lalæ. Gelatina 
hymenialis iodo vix tincla, thecis cæœrulescentibus. 
In ramulis secundariis corticis hyphæ retem in parte interiore maculis majoribus et in 
exteriore minoribus, absque strato amorpho atque lumine minore. 
In Asia; in Africa ex Algeria in caput Bonæ Spei, frequens in Abyssinia ; in America utraque ; 
in Oceania (Australia, Polynesia et Nova Zelandia); in Europa tota. Deest (amen in regionibus 
arcticis et antarcticis. 
— Var. 1. intestiniformis Nyl. Synops. Lich. 1, p. 268 et apud Hue Lich. exot. n. 501; 
Us. barbata var. intestiniformis Ach. Lichenogr. univ. p.695 et Synops. Lich. p. 306. 
In Africa : 1. in Algeria legit Durieu de Maisonneuve, sur les vieux trones d'Yeuse, 
28 aprilis 1841. — 2. In Abyssina legit Schimper, n. 71, comm. dux Paris. In utroque 
loco sterilis. 
A forma genuina differt tantum articulis in caulibus primariis lalioribus, usque 
5-6 mm. latis, subcompresso-inflatis, atque ramulis ultimis flexuosis. 
Insuper in America meridionali (Peruvia) et in Eurora. Probabiliter alibi lecta sed non semper 
a forma typica distincta. 
— Var. 2. asperula Müll. Arg. Lich. Beitr. n. 1591, Lich. Tonkin. p. 181, Lich. 
Miyosh. p. 120, Lich. Yataban. p. 191, Conspect. Lich. N. Zeiand. p. 27 et Lich. in F1. 
costaricenst I, p. 4. 
In Africa : 1. in Abyssinia legit Schimper, n. 563, comm. dux Paris. — 2. In ins. 
Madagascaria, in Finaranlia et in Tamatave, sine nomine collectoris, comm. cl. Renauld, 
annis 1889 et 1890. 
Thallus cinereo-stramineus, pendulus 11-20 cent. longus, Kextus et intus immutatus; 
caules primarii læves, et passim scrobiculato-punctulati, rami et ramuli soredioso- 
asperati; omnes articulati, articulis subcylindricis, fibrillis paucis muniti atque ramuli 
ultimi non capillacei ; sterilis. 
Insuper in Asia (Japonia et Tonkin) ; in America meridionali (Costa-Rica) et in Oceania (Nova 
Zelandia). 
195. Usnea angulata Ach. Synops. Lich. p. 307, Nyl. apud Hue Lich. exot. n. 519, 
Tuck. Synops. North Americ. Lich. 1, p. 42 et Lich. Americ. septentr. exsice. n. 51, 
Slirton On the gen. Usnea p. 10, in Scott. Natural. 1881, Wain. £tud. Lich. Brés. ], p. 11 
et Lich. Brasil. exsice. n. 388 ; Hepp lecht. Europ. n. 562 B, specimine dexlro tantum 
in herb. meo. 
In Africa : in ins. Borbonia, legit fr. Rodriguez, anno 1888; legit eliam M. Chauvet, 
Saint-Denis derrière l'hôpital militaire, 10 mai 1895, comm. comes de Poli. — 2. In ins. 
Madagascaria, in Morundawa, in littore septentrionali ad Occidentem vergente el prope 
mare, el in Taolampia, maio 1890, comm. comes de Poli. — 3. In Zanguebar, legit 
