272 Wutre: Tue NiIpuLaRIACEAE OF NorTH AMERICA 
faces perfectly even, angular, but not depressed ; spores 6-10 p# 
long, 4-8 y wide, globose to elliptic, hyaline, somewhat granular, 
thin-walled. (P/. 16. f. 17-20.) 
Growing singly on twigs, moss, etc. 
Wasuincton: Olympia, Henderson, Suksdorf. 
British CotumBiA: JJacoun, 107. 
2. Nidula microcarpa Peck, sp. nov. 
Peridia 4-6 mm. high, 4-5 mm. wide at the top, 3-5 at the 
base, subcylindrical ; outer surface whitish, or pale grayish-yellow, 
minutely tomentose, firm; inner surface smooth, with a thin 
brownish shiny layer formed by the drying of the glutinous inner 
substance ; mouth entire, straight and firm ; sporangioles very 
numerous, lenticular, covered with a thick fibrous outer coat, which 
peels off, as in Crucibulum crucibuliforme, when dry rugosely 
wrinkled, becoming smooth when moistened, reddish-brown, 5-1 
mm. wide ; spores 6-9 long, 4-6 y wide, broadly elliptic or sub- 
lone hyaline, thick-walled. (P/. 17. f. 1-6; pl. 18. f. 14, 1; 
r7. \ 
Growing on wood, and on the ground. 
CaLiForNiA: W, R. Dudley. 
Montana: Columbia Falls, R. S. Williams. 
2a. NIDULA MICROCARPA rugispora var. nov. 
Crucibulum rugisporum E. & E. in herb. 
Peridia 3-5 mm. high, 3-6 mm. wide at the top; outer surface 
yellowish-white, with a rather thin close tomentum ; inner surface 
smooth, whitish or brownish, somewhat shiny ; mouth recurved, 
and spreading, and minutely lacerate, fimbriate ; sporangioles very 
numerous, reddish-brown, rugose when dry, barely 1 mm. wid’ 
flattened, subrotund; spores broadly elliptic, hyaline, slign 
thick-walled, 6-9 p long, 4-7 p» wide, slightly larger than € 
foregoing species. (Pl. 17, f. 7-9.) 
Growing on dead twigs. 
WasuincTon : Skamania county, alt. 3,000 ft., Suksdorf, 54 
Though this variety closely resembles the species it differs 19 
the mouth characters and in the somewhat larger spores. 
IV. GRANULARIA Roth, Ust. Ann. Bot. 1: 6. pl. 1. f. 1: 179 
Nidularia Fries & Nord. Symb. Gaster. 2, 1817-18. 
Peridium composed of a single homogeneous rather thin jae 
membrane, or a thin, closely interwoven layer of branche 
