DEC., 1913. EUPHORBIACE.E MILLSPAUGH 377 



Type locality: ARIZONA. Collected by Dr. J. T. Rothrock in 1874, his 

 number 872 of the Wheeler Expedition. Type in herb. Field 

 Museum of Natural History, Chicago; sheet No. 197.499. 



Distribution: MEXICO, Culiacan, 1891, Dr. Edwd. Palmer 1517. 



Chamaesyce glomerifera Millsp. sp. nov. 



Glabra, caule erecto simplici vel alternatim ramoso, purpurascento, 

 foliis brevissime petiolatis e basi oblique auriculatis, oblongo-ovatis, 

 obtusis, margine plane serrulatis; stipulis rubellis, carnosis, triangu- 

 laribus, indivisis. Cymis densiuscule glomeratis, terminalibus foliis 

 supremis basi suffultis; involucri anguste turbinati extus et intus glabri, 

 lobis fimbriatis, glandularum appendice alba, ovato-rotunda eis latiori 

 integra; stylis brevibus dimidiatus bifidis. Capsulae glabrae coccis mani- 

 feste carinatis; semine roseus ovato-tetrangulo transverse anastomoso- 

 ruguloso. 



Plants heavily stemmed; branches terete, ligneous, 2-3 dm. long, 

 purplish; internodes 8 cm. long; leaves 2.5-^3.5 cm. long, 1.5-2 cm. 

 broad; petioles about 3 mm. long; glomerules 2-2.5 cm - broad; seeds 

 i mm. long, .7 mm. broad. 



Type locality: GUATEMALA. Collected by the late Dr. W. A. Keller- 

 man, January 20, 1908, No. 8053. Type in herb. Field Museum of 

 Natural History, Chicago; sheet No. 224.827. 

 Distribution : Known only from the type. 



ADENOPETALUM Kl. & Gke. Tricocc., 47. 1859. 



Adenopetalum Barnesii Millsp. sp. nov. 



Caule brevi duriusculo alternatim ramosissimo, ramis tenuis filiformis 



glabris ad apice umbelliformis ; foliis minimis petiolatis orbiculatis 



acutis barbulato-hirtis; stipulis obsoletis; involucris terminalibus 



pedunculatis extus barbulatis intus glabris, lobis deltoideis erosis, 



glandulis minutis ovalis concavis, appendice quinquepartita laciniis 



digitoideis glandula multo longioribus; stylis bipartitis. Seminibus 



griseis ovatis profunde sculptis ad angulos fovearum albotuberculatis. 



A low, erect, spreading plant 13-16 cm. high, 4-12 cm. broad with 



all characters minute; internodes 1-3 cm. long; leaves 3-6 x 1.55 mm., 



petioles about one half the length of the blade; seeds .8 x .4 mm. 



Type locality: MEXICO, Jalisco, along the road to San Domingo Mine 



near Etzatlan. Collected by the late Dr. Charles Reid Barnes and 



Dr. W. J. G. Land 306, October 6, 1908. Type in herb. Field 



Museum of Natural History, Chicago, sheet No. 247.472. 



Distribution: Known only from the type. 



