128 



Referred in Contributions from the National Herbarium, vol. 1, p. 310 to H. 

 tome ii (t>s us. 

 Typo in U. S. National Herbarium. 



Explanation of 1>LATK.-Fi-. 1, fruiting panicle with loaves, se.ale $ ; tig. 2, fruit, seal,- lj. 

 ++ ++ Amivs densely stellate-pubescent, especially below. 

 — Sepals not appendaged. 



11. HeHocarpus nelsoni Rose, sp. uov. 



A shrub 2.4 to 6 meters high; young parts scurfy-pubescent; leaves broadly ovate, 

 somewhat 3-lobed, slightly cordate at base, loiig-acuuiinate, irregularly serrate^ 

 densely almost velvety-pubescent, densely stellate above, 10 to 15 cm. long, 7.5 to 10 

 cm. broad ; infl. rescence a compact leafy panicle ; buds purplish; sepals 4 or 5, oblon" 

 4 mm. long,no1 appendaged at tip; fruit almost equally covered with plumose hairs' 

 stipe none. 



This species is similar to //. reticulars, but has the leaves less reticulated sepals 

 not appendaged, etc 



Collected by K. YY. Nelson on the dry bills in the Valley of Oaxaca, September 8, 

 1894 (No. 1243); also in the foot hills on the west side of the Valley of Oaxaca Set)' 

 tember 20, 1894 (No. 1485); also collected near Cueruuvaea by Berlandier, October 

 20, 1827 (No. 10u4), and near the same locality by Hourgeau in 1865-66 (No. 1200) 

 The latter number is referred to in the Uiologia by Mr. Hemsley under HeHocarpus 

 but without specific name. 



Type in ITnitetl States National Herbarium. 



= : Sepals appendaged. 

 a. Leaves strongly reticulated beneath. 



12. HeHocarpus reticulatus Rose, sp. uov. p r vn , t^- 

 A small tree ; younger branches, leaves, and inflorescence densely stellate-pubescent- 



leaves broadly ovate, more or less 3-lobed, cordate at base, acuminate, somewhat 

 irregularly serrate, strongly reticulated beneath, 7.5 to 15 cm. long, 5 to 10 cm wide 

 on petioles, 2.5 to 5 cm. long; inflorescence an open terminal panicle, but in fruit 

 very compact; sepals 5, linear, 4 to 6 mm. long, with a small appendage near the 

 apex; petals small, 2 mm. long; stamens about 20; fruit 10 mm. in diameter includ- 

 ing the fringe of plumose hairs, the sides with similar but short hairs; stipe wanting 



Collected by Mr. C. G. l'ringle on the hills near Guadalajara, State of Jalisco hi 

 November and December, 1888 (No. 1791), and distributed as //. americanus var 



Tins species resembles very much //. americanus in the shape of the leaves but is 

 very unlike it in its fruit, etc. 



Type in United States National Herbarium. 



EXPLAIN or Plat,, Fig.,, fleering panicle with leaves, scale h „ g . 2 , frniti flg . 3 , Reed . 

 figs. 2 and :i, scale V. s ' ' 



aa. Leaves not strongly reticulated beneath. 

 b. Shrubs, leave* stellate on both aides. 

 C. Fringe of fruit shorter and stouter than in the next, stamens 30, leaves broad. 

 13. HeHocarpus palmeri Wats. Proc. Am. Acad. 21 : 120. l*8(i. 

 Only known from type collection. 



Type in Gray Herbarium. Duplicate type (No. 1226) in TJ. S. National Herbarium, 

 cc. Fringe of fruit of slender bristles; stamens It! ; leaves orate, narrower than in the last. 

 ^ 11. HeHocarpus attenuate Wats. Proc. Am. Acad. 21: 420. 1886 



Type in Gray Herbarium, duplicate type (No. 1225) in U. S. National Herbarium. 



bb. Small trees: leaves nearly glabrale above, beneath with a pale close /omentum. 



15. HeHocarpus pallidas Rose, sp. nov. Pl „ n „ v 



Jrce 3.6 to ,..> meters high; young branches clothed with dense stellate hairs; 



leaves simple or 3-lobed, more or less broadly ovate. 5 to 7.5 cm. long, the petiole 2.5 



