— 126 — 



albidiis aut glaucescens vel sordide albicans, sat opacus, KHO primum 

 flavescens, dein rubescens. Apothecia vulgo sat approximata, vulgo ob- 

 longa, long. 1,2—0,5, lat. 0,3 — 0,2 mm., simplicia. recta aut raro leviter 

 curvata, elevata, basi abrupta aut leviter constricta. Perithecium fuligi- 

 neum, integrum, elevatum, denudatum aut saepius basi anguste vel plus 

 minusve late amphithecio thallino tenui obductum, labiis conniventibus, 

 clausis aut demum anguste hiantibus, laevigatis. Discus rimaeformis, in- 

 conspicuus. Sporae 8 : nae, decolores, murales, long. 0,034 — 0,044, crass. 

 0,010—0,014 mm. 



Hymenium circ. 0,180 — 0,190 mm. crassum. Epithecium pallidum. 

 Sporae fusiformes aut altero apice rotundato, altero apice sat acuto, halone 

 fere nullo indutae, septis transversalibus 8 — 11, polystichae, jodo violaceo- 

 caerulescentes. — Reactione thalli et apotheciis minoribus a Gr. Ruiziana 

 differt et autonoma sit species (specimen orig. Miillerianum autem non 

 vidi). 



Ad corticem Rhizophorae prope Lem Ngob (no. XIV). 



Area: Gr. Ruiziana praesertim in regionibus tropicis crescit. 



48. Gr. (sect. Hemiloma) subintricata Krempelh., Fl. 1876, p. 420. 

 Gr. intricata Eschw. in Mart. Fl. Bras. 1 (1833), p. 79; Nyl, Lich. 

 Nov.-Gran. Prodr. (1863), p. 472 et 495, ed. 2 (1863), p. 85, Addit. 

 (1867), p. 567, Syn. Lich. Nov. Gal. (1868), p. 72. Graphina intricata 

 Miill. Arg., Rev. Lich. Eschw. (Fl. 1888), p. 510. Hand Gr. intricata 

 Fee, Ess. Crypt. Exot. (1824), p. 42, Mull. Arg., Graph. Feean. (1887), 

 p. 30 (Hue, Lich. Exot., 1892, p. 234). Haud Gr. subintricata Knight, 

 Gontr. Lich. New Wales (1882), p. 40 (Mull. Arg.. Sert. Austral, 1895, 

 p. 320), quae nominetur Gr. extricata Wain. 



Thallus tenuis aut sat tenuis, sat laevigatus, albidus vel glaucescenti- 

 albidus, sat opacus, KHO parum reagens. Apothecia vulgo sat approxi- 

 mata, elongata, long. 7 — 1, lat. 0,25—0,15 mm., ramosa aut pr. p. sim- 

 plicia, vulgo flexuosa curyatave. Perithecium fuligineum, demum dimidiatum, 

 emergens aut demum elevatum et basi vel fere totum amphithecio thallino 

 tenui obductum vel superne anguste denudatum vel totum pruinosum, 

 labiis conniventibus, anguste hiantibus vel clausis, demum saepe sulco 

 uno striatis, vulgo laevigatis. Discus rimaeformis, caesio-pruinosus, con- 

 spicuus angustissimusque aut tantum linea caesio-pruinosa indicatus. 

 Sporae 8 : nae, decolores, murales, septis transversalibus 3 — 2, cellulis 

 paucis, long. 0,011—0,012, crass. 0,006 mm., jodo parum reagentes. 



Thallus linea hypothallina nigricante limitatus, KHO olivaceus [in 

 Wright! Graph. Cub., no. 9, passim demum dilute subrubescens]. Peri- 

 thecium primum integrum et basi tenue, demum dimidiatum. Hymenium 

 circ. 0,080 mm. crassum. Epithecium decoloratum. Paraphyses sini- 

 plices. Sporae distichae, ellipsoideae, apicibus rotundatis, halone vix ullo 

 indutae, jodo parum distincte violascentes. — Gr. intricata Eschw. se- 

 cundum annotationes Nylanderi in specimine orig. in herb. Nyl. sporis 

 long. 0,014—0,022, crass. 0,007—0,009 mm., I—, septis transversalibus 

 3 — 5, cellulis paucissimis, instructa est et habitu identica plantae nostrae. 



