92 BEPOET ON TWO BOTANICAL COLLECTIONS FEOM 



HOOKER I ACE.E. 



Hookeria (§ Hylotapis) pilotrichelloides, Broth., u. sp. Robust iuscula, mollis, i'usco- 

 aurea, nitida; caulis usque ad 15 cm. lougus, tiexuosus, complanatulus, dense 

 foliosus, per totam longitudineni pinnatim ramosus, ramis vix ultra 1 cm. longis 

 patentibus strictis vel arcuatulis eomplanatulis dense foliosis obtusis. Folia 

 sicca inibricata, humida subei'ecta, eynibiformi-concava, oblonga vel ovato-oblonga, 

 in apiculum acutum, recurvulum subito contracta, marginibus inferne revolutis, 

 integerrimis vel apice minutissime crenulatis, nervis binis elongatis vix divergen- 

 tibus longe infra apicem evanidis dorso kevibus ; cellular angustissime lineares, 

 seriatim papillose ; basilares laeves ; infinue laxre, breves, fusco-aurea?. Cwtera 

 ignota. 



Mount Roraima, Ledge, 7500-8000 ft., McCownell 8f Quelch, 337. 



Endemic. 



Species pulcberrima, mollitie necnon caule longissimo PilotrlchelUs nonnullis similis, 

 cum nulla alia comrnutanda. 



Hookeria (§ Omaliadelphus) Roeaim^:, Brotb., n. sp. Dioica, robusta, lutescenti- 

 viridis, setate fusco-aurea, nitida ; caulis usque ad 20 cm. longus, complanatulus, 

 dense foliosus, dense pinnatim ramosus, ramis patulis, 1-1'5 cm. longis, strictis, 

 eomplanatulis, dense foliosis, obtusis ; folia sicca laxe inibricata, valde undulata, 

 humida erecto-patentia, concaviuscula ; lateralia oblongo-lanccolata, breviter acurni- 

 uata, acutiuscula, marginibus inferne revolutis dein erectis minute serrulatis, 

 nervis binis tenuibus parce divergentibus infra apicem evanidis dorso superne 

 denticulatis ; cellulse elongatse, angustissime lineares ; basilares mfiniae laxae, 

 fusco-aurea3, omnes hevissimae; bractece perichcetii internee e basi ovata sensim 

 subulatse, minute deuticulatae, enerves ; seta 1*5 cm. vel paulum ultra alta, sat 

 tenuis, rubra, lrevissima ; theca horizontalis, e collo brevi ovalis, sicca deojierculata 

 sub ore baud constricta, fusca ; peristomvum duplex ; exostomii dentes e basi lanceo- 

 lata longissime subulati, e. 095 mm. longi et c. 014 mm. lati, latiuscule exarati, 

 dense et alto lamellati, aurantiaci • endostomium, sordide luteum, minute papillosum ; 

 processus carinati, vix perforati ; operculum longe et anguste subulatum ; calyptra 

 ad medium thecal producta, basi multifida, apice fusca, glabra. 



Roraima range, 3500 ft., JlcConnell Sf Quelch, 490, 550. 



Endemic. 



Species pulcherrinia, statura robusta ab omnibus speciebus sectionis oculo nudo jam 

 dignoscenda. 



STEREODONTACEJ5. 



Ectropothecium amabile, Mitt, in Journ. Linn. Soc, Bot. xii. (1869), p. 514. 



Mount Roraima, Ledge, 7800-8000 ft., McComiell 8f Quelch, 341, and summit of Mount 

 Roraima, 8600 ft., 516, 512. 



Eound in the mountains of New Granada. 



