CONIFERS. 89 



[iii. p. 190.] 1. PseudotSUga douglasii, Carr. iii. p. 190. 

 Noeth Mexico, region of San Luis Potosi {Tarry & Palmer) ; Seemann's 1963 from 

 the Sierra Madre, cited under Abies religiosa, also belongs here. 



[iii. p. 190.] 1*. AbieS, sp. n. ? 



Guatemala (Skinner). Hb. Kew. 



There is only foliage of this, but it is quite different from anything else found within 

 our limits, and it is probably an undescribed species, near Abies amabilis. 



ORCHIDE.E. 



[iii. p. 197.] The following Mexican orchids described by La Llave and Lexarza 

 (' Orchidianum Opusculum ') have not, so far as we can discover, been identified : — 

 Neottia papulosa, Satyrium vallisoletanum, Ophrys macrostachya, Cymbidium vexilli- 

 ferum, Arethusa tigridiwfolia, Bletia punctata, Bletia coccinea, Pachyphyllum scandens, 

 Oncidium hyalinobulbom, Pachyphyllum unifiorum, JEpidendrum macrobulbon, Den- 

 drobium aloideum, and Dendrobium bracteatum. 



[iii. p. 207.] 1*. Masdevallia astuta, Eeichb. f. in Gard. Chron. n. s. xxvi. 

 1886, p. 584. 



Costa Eica (Corder). 



[iii. p. 213.] 4. Corallorhiza punctata, Mart, et Gal., is a doubtful species. 



[iii. p. 220.] 3. Hexadesmia crurigera, Lindi. 



Mexico (Pawn, ex Eidley in litt.). Mus. Brit. 



[iii. p. 267.] Maodllaria hwmatoglossa, A. Eich. et Gal., is a synonym of 



M. rhombea. 



[iii. p. 281.] 26. Oncidium excavatum: add Bot. Mag. t. 5293. 



[iii. p. 290.] 1*. Cryptarrheiia lunata, E. Br. in Bot. Eeg. t. 153; Walp. 

 Ann. vi. p. 698. 



Mexico (Pavon, ex Eidley in litt.). Mus. Brit. 



[iii. p. 292.] 83*. PACHYPHYLLUM. 



Pachyphyllum, H. B. K. Nov. Gen. et Sp. i. p. 338, t. 77 ; Benth. et Hook. Gen. Plant, iii. p. 571. 



1. Pachyphyllum distichum, H. B. K. Nov. Gen. et Sp. i. p. 339, t. 77; 

 Walp. Ann. vi. p. 822. 



Mexico (Pavon, ex Eidley in litt.). — Peeu. Mus. Brit. 



Mr. Eidley informs us there is also an undescribed species of this genus in the British 

 Museum from Panama, collected by S. Hayes. 



biol. CENTR.-AMEE., Bot. Vol. IV., March 1887. n 



