ORCHIDACEiE 



rower and more acute, and without angles on the sides of the 

 rostellar process. 



Erythrodes maculata {Hook.) Ames comb. nov. Physurus 

 maculatus Hook, in Bot. Mag. (1862) t. 5305. 



In floral structure similar to E. vaginata (Hook.) Ames, but 

 different in habit. 



Erythrodes major {Presl) Ames comb. nov. Microchilus 

 major Presl Rel. Haenk. 1 (1827) 94. Physurus major Schltr. 

 in Fedde Repert. Beihefte 9 (1921) 132. Physurus Preslei Lindl. 

 Gen. & Sp. Orch. (1840) 501. 



This is closely allied with E.procera (Schltr.) Ames and a 

 study of more material may prove that they are conspecific. 



Erythrodes yis.yov\2inB.{Krdnzl.) Ames comb. nov. l^hysuxM^ 

 Mayorianus Krdnzl. in Mem. Sci. Nat. Neuchat. 5 (1914) 355 

 (Fuhrm. & May. Voy. Explor. Sci. Colomb. (1914) 355). 



Erythrodes metallescens {Rodr.) Ames comb. nov. Phy- 

 surus metallescens Rodr. Orch. Nov. 2 (1882) 291. 



Erythrodes mexicana Ames sp. nov. Herba terrestris, erecta, 

 3 dm. alta, rhizomate decumbenti, cauliformi, radicanti, mox 

 in caulem erectum abeunte, radicibus elongatis, villosis; cauli 

 prope basim quinquefoliato, supra vaginis paucis dissitis obsesso, 

 tereti, glanduloso-puberulo, infra partem foliatam vaginis trun- 

 catis scariosis. Folia plus minusve 5 cm. longa, usque ad 31 mm. 

 lata, ovato-lanceolata, acuminata, acutissima, in sicco viridia. Pe- 

 tioli vaginantes, 2 cm. longi. Scapus cum racemo 2.4 dm. longus, 

 gracilis, bracteis vaginantibus tribus, 1.4-2 cm. longis, scariosis, 

 glabris, plus minusve 4 cm. inter se distantibus. Racemus 6 cm. 

 longus, plus minusve decemflorus. Bracteae inflorescentiae 8-10 

 mm. longae, scariosae, sparse pubescentes, marginibus ciliolatis, 

 triangulari-lanceolatae, acuminatae, acutissimae, quam pedicel- 



lus cum ovario vix longiores. Flores in genere inter majores, illis 



[72] 



