FLORA OF NORTH- WESTERN SIEXICO. 337 
ORCHIDACE^. 
641. Stenokrhynchus (Bivesica) Madrensis, Rchb. fil. mss. iu Seem. Bonpl. vol. iii. p. 177; 
caule ultrapedali glaberrimo vaginato, vaginamm arctarum laraiuis liberis lanccolatis acuniiuatis 
ostium vaginrc siiperioris attingentibus, spica pluriflora densa quaquavcrsa apicc coniosa (alaba^stris 
summis nondum cxpansis), bracteis ab ovato basi cuspidatis florcs cxcedentibus extus dense brcvi- 
terque pilosisj ovario doliiformi pubcrulo abbreviate, sepalis oblongis acutis, lateralibus basi dilatatis, 
omnibus extus puberulis, sepalis pauUo brc^ioribus obtusiusculis aut subacutis onmibus obscuriovibus 
ncms pictis, labcUo breviter unguiculato paudui-aifonni acute iutus varicose albo-papilloso, rostelli 
semirhombci dcnte cuspidato. — Neottite sulphured, La Llave, affinis, quse videtur distarc spica sccunda, 
floribus diverse sensu ceiitortis, bracteis acutis apice nigi-ioantibus, perigoiiio urccolato. Tutor incx- 
tricabilcs Richardianas Spiranthides exstare uon vidctui-. SieiTa Jladi'c, Jlexici, 7000 supra marc. 
(Seemaun, uo. 1958 !) 
BROMELTACE^. 
642. ACIIM.EA lamjlora, Bentb. Bot. Sulpli. p. 173. Acapulco (Barclay!). 
643. Ananassa sativa, Lindl. Bot. Reg. n. 10G8. t. 1081. — Nomcn vemacul. "Pina." Culti- 
vated. 
644. TiLLAXDSiA usneoides, Linn. Spt. Veg. (edit. Pcrs.) p. 333; Beer, Bromcliaceen, p. 151. 
Talisco (Lay and CoUIie). 
COMMELYNACE^. 
645. CoMMELYNA agraviaj Ktlt. Enuni. vol. iv. p. 38. San Bias; Acapulco (Barclay!). 
646. CoMMELYNA acuminata, H. B. K. — Kth. Enum. vol. iv. p. 38. Between San Bias and 
Tepic (Barclay !). 
ERIOCAULEiE. 
647. Ebiocaulon Benthami, Kth. Enum. vol. iii. p. 545. — E. microcephalum, Hook, et Am. 
Bot. Beech, p. 311, non H. B. K. Swampy places, Tepic (Barclay !}. 
GRAMINE^. 
618. Ve^ siSETVM purpurascens, H. et Kth. — Kth. Enum. vol. i. p. IGO. Acapulco (Bai-clay !}. 
The Lidlau Corn is cultivated esteusivcly throughout the region. 
FILICES* 
{Auctore J. Smith.) 
649. Elapuoglossum hngifoHum, 3. Sm. — Aa-ostichum, Jacq., WiUd. 1. c. p. 105 (Plum. Fil, 
* To make this list of Mexican Eerns more complete, a set collected by Mr. W. Schaftner (now resid- 
ing at Mazatlau) in the Southern States, has been iucorporated with those collected by I)r. Seemanu.— 
J. Smith. 
2 u 
