Ectro2)othecini)i^ mosses (Gepp). o07 



large and oblique mouth when dry ; operculum Brachythecioid- 

 conic 05 mm. long; sporangium with operculum 12 mm. long. 



42. LEUCOMIUM Mitt, in Joiirn. Linn. Soc. x. p. 180 (1869). 



1 . L. golungense Gepp, sp. n. 



Monoicous. Plants laxly csespitose, pale groen, not glistening ; 

 stem creeping, sparingly and irregularly pinnately branched ; 

 branchlets 5 to 10 mm. long by 4 to 5 mm. wide (with leaves), 

 complanate, obtuse, with rather lax foliage ; latei-al leaves patu- 

 lous, rather curved, lanceolate, median leaves elliptic, all rather 

 hollow piliform-acuminate, nerveless, quite entire ; cells lax, 

 rhomboidal ; pericha^tial bracts much smaller, the innermost 

 being truncate, erose, suddenly longly apiculate ; seta 10 mm. 

 long, red, towards its apex cui-ved and slightly scaberulous ; theca 

 inclined or horizontal, oval, occasionally substrumous, more or 

 less constricted below the mouth when dry. 



GorA'XGO Alto. — Subglauccscent (when gathered), very laxly 

 csespitulose on rocks aud trees alongside the Catombe rivulet in the 

 mountaiDs of Alto Queta, but in small quantity : with fr. middle of 

 June 1857. No. 191. A moss of an intense and bright glaucous-green 

 colour, covering exposed muddy spots by rivulets in the primitive 

 forests of Quisucula, in company with Begonia ; with fr. June 1856. 

 No. 192. On rocks in the forests of Queta-Zengas, growing with 

 Sjirucella siiccida (No. 219) ; gathered with fr. (now lost), no date. 

 No. 191&. An elegant moss of a pleasant green colour, clothing with 

 its wide tufts the rocks by the spring of Capopa ; Oct. 1854. No. 194. 



This species appears to be distinct from the Cameroons plant 

 L 2}erglaucum Broth , described in Englers Botan. Jahrb. Band. xxiv. 

 p. 273 (1897), in several particulars, such as the foliage, the shape of 

 the leaves, and the theca. 



43. STEREOPHYLLUM Mitt, in Journ. Linn. Soc. Suppl. i. 

 p. 117 (1859). 



1. S. omalosekos Jaeg. et Sauerb. Gen. et Spec. Muse. ii. p. 544 

 (1879). 



Hypnum {Stereophylhmh) omalosekos Welw. et Duby in Geneve, 

 Mem Soc. Phys. XX'l. ii. p. 433. t. iv. f. 3 (1872). 



Ptxoo AxD(»X(;o. — In enclosed rocky valleys near Catete on bark 

 and on ground at the foot of trees ; with fr. May 1857. No 106. 



The upper cells of the leaves are unipapillate as in S. cuhensc Mitt. 

 The seta is 9 mm. long. 



2. S. andongense. 



Hjipnum Andunyense Welw. et Duby in Geneve, Mem. Soc. 

 Phys. XXI. ii. p. 438. t. i. f. 1 (1872). Ha^ihidostegium Andungense 

 Jaeg. et Sauerb. Gen. et Spec. Muse. ii. p. 456 (1878). llypnwm 

 (Thamnhin'l) decolorans Welw. et Duby, o]). cit., p. 435. t. iii. f, 3 

 (1872). Thamnium decolorans Jaeg. et Sauerb., op. cit., p. 216 

 (1877). 



PuxGO AxDOXGo. — On moist ground by rivulets in the Barrancos 

 de Catete ; with fr. May 1857. No. 93. Barranco grande de Catete ; 

 without fr. April and beginning of May 1857. No. 936. A widely 

 cpespitose, brilliantly green, moss found on tree trunks near the gi-eat 



