188 University of California Publications in Botany [Vol. 10 



Stemmadenia calycina, sp. iiov. 



Friiticosiis : ramis einereis : foliis ovatis, vetustis supra glabris, 

 subtiis ad venas molliter pubescentibus, apice acutis, usque ad 8 cm. 

 longis, 5 cm. latis, breviter petiolatis; calycis segmentis late ovatis, 

 ca. 2 cm. longis, 1.5 cm. latis, glabris, obtusis, basi bracteis duabus 

 inaequalil)us suffultis; corolla infundibulari, ca. 5 cm. longa, flava; 

 folliculis juvenibus divaricatis, acutis. 



The calyx segments are much larger than those of *S'. hcUa, S. 

 tomentosa, and 8. Palmeri and have a different form. The upper 

 part of the segments seems to become yellow with age. Collected at 

 Remulatero, Vera Cruz. No. 8771. Type, Herb. Univ. Calif. No. 

 211882. 



Roseanthus heterophyllus, sp. nov. 



Monoicus : caulibus striatis glabris : foliis membranaceis trilobatis 

 vel integris, basi cordatis sinu lato, utrinque sparse hirsutis, usque 

 ad 13 cm. longis, 9 cm. latis, plerumque usque ad medium lobatis, 

 lobis ovatis acutis denticulatis ; petiolis ca. 3.5 cm. longis, sparsim 

 hirsutis : pedunculo masculo ca. 8.5 cm. longo ; flore 6.5 cm. longo, 

 albo ; f ructu maturo ovoideo, glabro 3.5-5 cm. longo, 3-4 cm. lato, 

 pedunculo 3.5 cm. longo. 



The sinus at the base of the leaf is auricled by the blade. Collected 

 in Barranca de Panoaya, A'^era Cruz, climbing trees and rocks. No. 

 8686. Type, Herb Univ. Calif. No. 208377. 



Apodanthera scaberrima, sp. nov. 



]\Ionoica : caulibus striatis, scaberrimis, setosis: foliis latioribus 

 quam longis, fere ad medium 3-lobatis, utrinque setosis praecipue 

 subtus, setis interdum e basi pustulata, usque ad 5 cm, longis, 6 cm. 

 latis, basi leviter cordatis; lobis obtusis, margine denticulatis; petiolis 

 3-8'cm. longis, dense pustulato-setosis ; cirrhis simplicibus : pedunculo 

 masculo brevi 2-3-floro ; calycis lobis ovato-lanceolatis ; pedunculo 

 f emineo ca. 7 cm. longo, striato, pustulato ; calyce pustulato-setoso ; 

 corolla ca. 7 mm. longa ; staminibus 3, liberis ; antheris rectis, una 

 1-loculari, duabus 2-locularibus, dorso corollae affixis ; lobis acutis : 

 f ructu maturo ovoideo glabro, 4-5 cm, longo, 3 cm. lato ; seminibus 

 ellipsoideis utrinque acutis. 



The lobes of the leaves are variable in shape and size. The whole 

 plant is very scabrous. The specimens furnish only old pistillate 

 flowers, young staminate ones, and a single mature fruit. Collected 

 in Barranca de Panoaya, Vera Cruz. No. 8685. Type, Herb. Univ. 

 Calif. No. 208381. 



Transmuted Novcmher 3, 1922. 



