92 REPORT ON TWO BOTANICAL COLLECTIONS FROM | 
HOOKERIACE.E. 
HOOKERIA ($ HYLOTAPIS) PILOTRICHELLOIDES, Broth.,n.sp.  Aobustiuscula, mollis, fusco- 
aurea, nitida; caulis usque ad 15 cm. longus, flexuosus, complanatulus, dense 
foliosus, per totam longitudinem pinnatim ramosus, ramis vix ultra 1 cm. longis 
patentibus strictis vel arcuatulis complanatulis dense foliosis obtusis. Folia 
sicca imbricata, humida suberecta, cymbiformi-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 levibus; cellule angustissime lineares, 
seriatim papillosze; basilares leves; infimee laxæ, breves, fusco-auree. Cetera 
ignota. 
Mount Roraima, Ledge, 7500—8000 ft., McConnell & Quelch, 331. 
Endemic. 
Species pulcherrima, mollitie necnon caule longissimo Pélotrichellis nonnullis similis, 
cum nulla alia commutanda. 
HookERrA ($ OMALIADELPHUS) RorAtma#, Broth., n. sp. Diotca, robusta, lutescenti- 
viridis, :etate fusco-aurea, nitida; caulis usque ad 20 cm. longus, complanatulus, 
dense foliosus, dense pinnatim ramosus, ramis patulis, 1-1:5 em. longis, strictis, 
complanatulis, dense foliosis, obtusis; folia sicca laxe imbricata, valde undulata, 
humida erecto-patentia, concaviuscula ; lateralia oblongo-lanceolata, breviter acumi- 
nata, acutiuscula, marginibus inferne revolutis dein erectis minute serrulatis, 
nervis binis tenuibus paree divergentibus infra apicem evanidis dorso superne 
denticulatis; cellule  elongat:e, angustissime lineares; basilares infim:ze laxe, 
fusco-aureæ, omnes levissimee; bractee perichetii interne e basi ovata sensim 
subulate, minute denticulate, enerves; seta l'5 cm. vel paulum ultra alta, sat 
tenuis, rubra, levissima ; ¿keca horizontalis, e collo brevi ovalis, sicca deoperculata 
sub ore haud constricta, fusca ; peristomium duplex; exostomii dentes e basi lanceo- 
lata longissime subulati, c. 0°95 mm. longi et c. 0:14 mm. lati, latiuseule exarati, 
dense et alte lamellati, aurantiaei; endostomium sordide luteum, minute papillosum ; 
processus carinati, vix perforati; operculum longe et anguste subulatum ; calyptra 
ad medium thecz producta, basi multifida, apice fusca, glabra. 
Roraima range, 3500 ft., McConnell § Quelch, 490, 550. 
Endemic. : 
Species pulcherrima, statura robusta ab omnibus speciebus sectionis oculo nudo jam 
dignoscenda. 
STEREODONTACE E. 
ECTROPOTHECIUM AMABILE, Mitt. in Journ. Linn. Soc., Bot. xii. (1869), p. 514. 
Mount Roraima, Ledge, 7800-8000 ft., McConnell & Quelch, 341, and summit of Mount 
Roraima, 8600 ft., 516, 542. 
Found in the mountains of New Granada. 
