[Vor. 4 
308 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
5. Reflexed portion drying Sayal-brown, radially fibrillose, somewhat zonate 
and shining; hymenium between light seal-brown and Hay’s brown; 
s 3 in Venezuela 10. M. de 
л 
. Reflexed pom drying whitish to wax-yellow, pubescent, concentrically 
te; us folds about 4 to a mm., sometimes growing out into 
ccr Анка odis allantoid, 3X3 ш; in ' Cuba ТЕРЕНА" 11. М. cubensis 
E — often Иска resupinate; hymenium becoming fissured, 
dryin am-eolor to ochraceous taw — the folds narrow, dr eform, 
е Жез not forming а. spores 444-1 и; on alder..12. M. niveus 
6. Fructifications separable from the 41. (85. М. адан 18 поб 
included here, although its spores are sometimes colorless under 
> 
РЕНИ ИО 
6. Fructification айпа{е 
. Hymenium not becoming porose, gyrose-plicate, drying Capucine- a 
hyphae incrusted, nodose-septate ; spores often slightly — Exit 
и; known from Michigan ТЫН TA eae Sees Tr S. jedes 
. Hymenium not becoming porose, gyrose-plieate with 44. piedi 
folds, — cartridge-buff, waxy; hyphae not inerusted, кы аге1 
э корав septate; spores 3-4Х2 р......................... d x sororius 
ming imperfectly porose, = the pn cli buff on 
a whitish, cobwebby, supporting membrane; spores subglobose, 24 и in 
diameter; on the lichen Stereocaulon in зо ык Mountains mre 
Be Pk Oe ee ee 15. М. lichenicola 
‚ Hymenium — „рогове. (Examine sections to guard against includ- 
ing species of Роғіа)............................................. 
8. Spores съда 34-4 и in diameter; fructification translucent 
when fresh, drying pinkish buff to pale ecru-drab...... 16. М. dubius 
$. De лий ФИНИ. 5... scene hh roh жж. акау» 9 
иы — toward the hymenium; hymenium drying pale olive- 
buff to warm buff and ochraceous buff; pores 2-4 mm.; spores 
3-44 X1 2 PCLT eee Tore eee Tere rere Lee TT etre 17. М. bellus 
. Hyphae not — же drying Нау” brown to dark vinaceous- 
brown; pores a a mm.; spores allantoid, 331—4X 3-11 ш...... 
18. 
- -I 
- 
B 
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© 
9. Hyphae not incrusted; fructification everywhere drying — hens 
rose-yellow - naphthalene- yellow; pores 2-3 to ores 
43-6 X 24-34 и ТОА ее. M. nd 
елу not шегінісі; fructification drying white, 52. somewhat 
cartridge-buff the herbar rium; pores 1 or 2 to a mm.; spores 
6-71 х 3-34 и; pa кз ты КК CRY Ed (rade УЛ С АУ 20. М. albus 
10. иин. н drying between warm buff and cream- "buff; 
pores a 3 to a mm.; hyphae inerusted ; пея Mog m. 
in British. Columbi ШОТА ж УСТАЗ a res x М. ыйы те 
10. a ae с not tomentose, having a. like piii on the folds, 
drying light buff to pinkish buff with vinaceous-gray m пра 
pores about 2 to а шш.; hyphae Аны РЬ ни TEN 14-2 
т с -2-..,2-.:5555:4...........:.:5.... . М. hirtellus 
e 
t toment 
rying between drab-gray and ecru 
; hyphae not incrusted; spores зе 51 іп ew Hampshire 
Sean ogee rea eas ski у Re ls TS EA CS ET 23. М. Farlowüi 
10. Hymenium not tomentose, not having mgm like cystidia on the folds, 
but with clavate gloeocystidia in the ymenial region, Е 
и and ochraceous cing "o tawny olive; spore 
7-84 X 4-43 д; in Cuba and Jamaica............... 24. M. obs 
10. Hymenium not tomentose, M" rar cystidia nor кы 11 
1]. gen ecc drying fawn-color to earob-brown and Natal-brown; pores 
2 to a mm.; spores slightly curved, 44 X 13-23 5 Ис 25. М. rufus 
