400 FIELD COLUMBIAN MUSEUM BOTANY, VOL. i. 



ad nervum mediaaum recurrente) notata margine linea cartilag- 

 inea circumvallata, glaberrima, utrinque opaca vel supra sub 

 nitida, epidermide nunc conspicue, nunc vix crystallophora, 

 diachymate arete fibroso, hypodermate ad paginam superiorem 

 vix nisi juxta nervos instructa ; petiolus a dorso adventrem com- 

 pressiusculus, striatus, supra sulco angusto notatus, basi incrass- 

 atus cum ramulo articulatus ; stipulae minimae, apiculos glandu- 

 liformes ad mediam petioli insertionem (vel folii cicatricem) 

 exhibentes. Florum masc. paniculae densiflorae, pyramidales, 17 

 cm. longae, 6 cm. latae, ramis racemiformibus praeter florem 

 terminalem saepius luxuiantem flores complures laterales ped- 

 icellatos hie inde in dichasia consociatos in axillis bractearum 

 parvularum subulatarum gerentibus, adjectis interdum floribus 

 rudimentaritis ; pedicelli 3-6 mm. longi. Sepala bracteis confor- 

 mia, parva, 1.5 mm. longa, subulata, 4-6; Petala o. Discus 

 pulvinatus. Stamina supra discum inserta, filiformia, glabra, 

 antheris brevibus, basi subcordatis, subintrorsis, ad connectivi 

 basin dilatatam dorso insertis. Pistilli rudimentum o. Florum 

 foem. inflorescentiae racemiformes (polychasia) in axillis foliorum 

 5 cm. longae, ima basi utrinque ramum aequilongum emittentur 

 praeter florem terminalem, flores complures laterales, pedicella- 

 tos vel eorum loco hie inde dichasia vel polychasia parvula in 

 axillis bractearum subulatarum vix 2 mm. longarum gerentes ; 

 pedicelli 2-3 mm. longi. Sepali bracteis conformia, 4-6. Petala o. 

 Discus elevato-pulvinatus, carnosus. Staminodia 5-6, i-seriata, 

 stamina rudimentaria abbreviata antheris sterilibus exhibentia. 

 Germenellipsoideum, 2 mm. longum, 1.5 mm. latum, basi coarctata 

 subsessile, plerumque biloculare ; stigmatis lobi dorsales. 



Yucatan: Dr. G. F. Gaumer n. 370! (flor. foem. m. Feb. 1895); 

 n. 417 ! (flor. masc. m. Mart. 1895).* 



Obs. A Forchhammeriae specious reliquis(F. pallida Liebm., 

 F. apiocarpa Radlk. F. Watsoni Rose) recedit foliis compositis 

 et floribus masculis paniculatis nee non foliorum fabrica (hypod- 

 ermate minus conspicuo, epidermate interdum vix crystallo- 

 phora, diachymate fibris percurso), insuper ligni annulo secundo 

 intra libri primarii fibres (nee extra eos) oriente. Attamen vix 

 dubie ejusdem generis est. 



MALPIGHIACE^:. 



Malpighia glabra acuminata A. Juss. 



Ex descr. Radlkofer. "Shrub 15 feet high, not common in 

 the forest and brushlands about Izamal, where it produces its 

 showy rose-pink flowers in November" (972). 



*Branch of female shrub 20 feet high, collected at the base of the smaller mound at Izamal, 

 January (Millspaugh, A. V. Armour Exped. 86). 



