. DEC 14 1920 



-69- 



collector is not given. Although the collection consists of less than 20 numbers, v ^ 

 it contains two new species, one of especial interest. 



Cardot enumerates 93 species for this group of islands, of which 42, or about 

 45%, are considered to be endemic. * 



Andreaea subremotifolia Dixon sp. nov. 



Caespites laxi, facile dilabiles, caules 3-4 cm. alti, pergraciles, debiles. 

 Planta mollis supra fusco-purpurea, interne fusca. Folia caulina mvicem laxe 

 conferteque ordinata, hie illic ramulis flagellaceis parvifoliis intermixtis. 



Folia eis A. remotifoliae similia, suherecta dutem nec late pateniia, apice 

 saepe incurvo, cellulis, nullo modo forhter mcrassatis, basilaribus brevibus, 

 perpaucae solum juxtacostales infimae breviter lineares, marginales inferiores 

 seriebus multis subquadratae. Cetera ignota. 



No. 544. This is certainly nearest to A. remofifolia Dns., but equally cer- 

 tainly is distinct both in habit and structure. A. remoiifcli i has the leaves lax 

 and widely spreading both moist and dry, the upper cells are highly incrassate, 

 and the basal ones also incrassate and considerably elongate. The cells here are 

 of quite a different character. 



Ceratodon grossnetis Card. Nos. 534; 536; 537. All sterile. The cells are 

 not quite so large as in the original plant, which has only been found on the 

 Antarctic continent; they are there 15-20 [L. wide, while here th'^^y measure 

 12-17 [^'t but the difference is slight, and certainly the plant is nearer to that 

 than to any of the common forms of C. purpureus in the Antarctic region. 



Verrucidens intermedius Dixon sp. nov. 



V. turpi Card, afhne, foliis autem siccis haud crispatis, vix mutatis, cellulis 

 superioribus haud transverse dilatatis, laevibus; theca bene exserta, seta unica 

 3 mm., theca i mm. longa. Exothecii rete e cellulis valde incrassatis instruc- 

 tum; peristomii dentes 150 [k. longi, subobtusi, inferne fiavidi vel aurantiaci, 

 superne pallidi; lamellae haud incrassatae, nec validae, paucae; dentes dorso 

 dense papillosi, papillis, praecipue infenoribus, grossis, verruculosis, saepe in 

 seriebus verticalibus ordinatis, interne dense tenuius papillosi. 



No. 532. 



The genus Verrucidens was founded by Cardot in 1905 on V. turpis, a Fue- 

 gian plant with habit of Blindia, but peristome distinct in having the lamellae 

 extremely thickened, and the whole inner surface, and the upper part of the outer 

 surface covered with dense, coarse papillae. The seta is variable in length, 

 from 5 to 12 mm., the upper leaf cells somewhat obscure with papillae. A year 

 or two later, Brotherus described a second species from Kerguelen, at first pub- 

 lished as Dicranoweisia, but recognized by Cardot as a species of Verrucidens. 

 This differed entirely from V. turpis in having the capsule quite immersed, 

 whence the name (7. immersus), as well as in the leaf cells quite smooth. The 

 present plant appears to me to belong to this genus, by reason of the general 

 structure of the peristome teeth, which show the coarse tubercular papillae 

 characteristic of Verrucidens; it differs however in not having the lamellae 

 thickened and prominent as there, on the dorsal surface, the papillae on the other 



