— 57 — 
undeque v. longo tractu saltern valide papilloso-asperi, superne vidgo laeves*. 
copia ramulorum eximie varii.” 1. c. 
Type in the Boissier Herbarium, Chambesy. 
33. Usnea Bornmulleri var. brasiliensis f. inactiva Zahlbr. 
“Ad confines provinciarum Rio de Janeiro et Minas Geraes.” (Denksch. 
math, naturw. Klasse kaiserl. Akad. Wissen. 83 : 187. 1914.) 
“Stratum myelohyphicum KHO — ; thallus pallide ochraceus.” 1 . c. 
In the K. K. Naturhistorisches Hofmuseum, Vienna. 
34. Usnea cinchona? um var. inactiva Zahlbr. 
“Barra Mansa,” “Prov. Sao Paulo.” (Denksch. math, naturw. Klasse 
kaiserl. Akad. Wissen 83 : 165-186. 1909.) 
“A typo differt strato myelohyphico KHO non reagente, receptaculo 
apotheciorum extus reticulato-ruguso et scabrido. Apothecia usque 15 mm. 
lata; sporae ut in planta typica.” 1. c. 
In the K. K. Naturhistorisches Hofmuseum, Vienna. 
35. Usnea laevigata Pers. 
“In Brasilia (Rio- Janeiro).” (Gaudich. Voy. Uran. 209. 1826, 1830.) 
“trunco subarticulato, ramis elongatis dichotomis laevibus denudatis,- 
orbillis magnis subnudis ramuliferis.” 1. c. 
= ? Us. articulata (L.) Hoffm. 
In the ’s Rijks Herbarium te Leiden, Holland. 
36. Usnea laevigata Wain. 
“prope Bogota.” (Hedwig. 38 . 122. 1899.) 
“Subsimilis U. laevi (Eschw.) Nyl., at medulla KHO lutescente, neque bene 
rubescente ab ea differens. Thallus erectus long 40-50 mm, sat rigides, ramis 
primariis circ. 1-0, 7mm crassis, laevigatis aut passim parce in crebreque minute 
verruculosis, glaucescenti-stramineus, ramis omnibus teretibus, ramis adventitiis 
nullis. Stratum myelohyphicum crebrum, jodo non reagens, KHO lutescens 
(siccum aurantiaco-rubescens). Apothecia disco crebre stramineo-pruinoso, 
margine saepe radiis paucis instructo, excipulo subtus vulgo laevigato.” 
On rocks. 
37. Usnea florida var. leioclada Zahlbr. 
“Sta. Anna prope Lapa, ” “Prov. Sao Paulo.” (Denksch. math, naturw. 
Klasse kaiserl. Akad. Wissen. 83 ; 189. 1909.) 
“Similis U. floridae (L,), sed rami primariis omnino laeves et stratum myelo- 
hyphicum KHO. e flavo sanguineus. 
Thallus lutescenti-glaucescente, usque 6 cm altus, sat dense ramosus; rami 
primarii teretes, laeves, usque 0.8 mm crassi; ramis adventitiis sat numerosis, 
filiformibus, usque 4 mm longis, minute et increbre tuberculatis; cortex 50-60 u 
crassus, uniformis, ex hyphis plus minus perpendicularibus, ramosis, pachyderma- 
ticis formatus; axis chondroideus 1-3 crassitudinis thalli attingens. 
Apothecia usque 12 cm lata, leviter cupuliformia, in margine ciliis usque 
20 mm longis ramosis tenuibusque obsita; sporis normalibus, 9-10 n longis et ad 
7/i latis.V 1. c. 
In the K. K. Naturhistorisches Hofmuseum, Vienna. 
38. Usnea maculosa Strt. 
“Chili.” (Scot. Nat. 7 : 75. 1883.) 
“Thallus cinereus vel luride cinereus, erectus compactus, rigidus, ramosus 
subangulosus, lacunoso-impressus, creberriter nigro-maculatus. Axis solidus*, 
mediocris; fibrillae medullares compactae, K-C-; J-. 
= Ramalina ceruchis Ach.? 
