1920] Brandegee: Plantae Mexicanae Purpiisianae 329 



Maba Purpusii, sp. no v. 



Frueticulus ? racemosus : ramis vetiistis glabris brunneis, junior- 

 ibns piibescentibus : foliis obovatis apice anguste obtiisis basi cuneatis, 

 margine integris minute ciliatis, utrinqne fere glabris, ca. 11.5 cm. 

 longis, 4.2 cm. latis ; petiolis ca. 3 mm. longis : floribus plerumque 

 solitariis axillaribus, pedicellis ca. 2 mm. longis ; calyce extns piibes- 

 centi campanulato, ca. 1 cm. longo, usque ad medium trifido, lobis 

 obtuse deltoideis; corolla tubulosa e calyce paululum exserta, apice 

 3-lobata, densissime f ulvo-hirsuta ; ovario hirsuto 6-loculare loculis 

 1-ovulatis. Fructus et flores masculi desunt. 



Collected in Barranca de Panoaya, Vera Cruz. No. 8516. Type, 

 Herb. Univ. Calif. No. 204975. 



•^ Sideroxylon campestre, sp. nov. 



Arbor parva : ramis rugosis glabris : foliis ovato-oblongis utrinque 

 glabris basi longe cuneatis, apice acutis, usque ad 18 cm. longis, 4 cm. 

 latis. subtus venis prominulis; petiolis puberulis, ca. 2 cm. longis: 

 floribus uumerosis; pedicellis inter folios faseiculatis puberulis, ca. 

 1 cm. longis ; segmentis calycis 6 imbricatis orbicularibus, paululum 

 puberulis, ca. 6 mm. longis, exterioribus paulo minoribus ; corolla 

 tubulosa calycem paululum superanti, ad medium 6-lobata. lobis 

 oblongis apice retusis, ca, 4 mm. longis ; staminibus ad basin loborum 

 affixis, filamentis longitudine antheris oblongis acutis aequalibus, ca. 

 3 mm. longis; staminodiis linearibus integris, staminibus aequalibus, in 

 eadem serie alternis; ovario hirsuto 6-loculari. Baccae desunt. 



The leaves with the fascicles of flowers are crowded about the ends 

 of the branches. Collected at Zacuapan, Vera Cruz. No. 8545. Type, 

 Herb. Univ. Calif. No. 204005. 



Dictyanthus prostratus, sp. nov. 



Hirsutus : caulibus pilis patentibus vel reflexis, prostrtais, basi 

 lignosis, usque ad 7 dm. longis : foliis late cordato-ovatis acuminatis, 

 utrinque hirsutis, ca. 2.2 em. longis, 2 cm. latis ; petiolis ca. 1 cm. 

 longis; cymis 2-floris in una axilla, pedunculis quam petiolis multo 

 brevioribus ; calycis lobis ovato-acuminatis, ca. 3 mm. longis ; corolla 

 late campanulata atropurpurea reticulata, ca. 7 mm. louga, 6 mm. lata, 

 lobis ovato-acuminatis. Folliculi desunt. 



This species resembles closely D. parviflorus Hemsley, but the 

 corona is very different. In addition to the five narrow lamellate 

 scales adnate to the corolla there are five minute acute scales attached 

 to the middle of the gynostegium representing an inner corona. 

 Growing over rocks near Acasonica, Vera Cruz. No. 8411. Type, 

 Herb. Univ. Calif. No. 200816. 



