124 CONTRTRUTIOlsrS FROM THE NATIONAL HERBARIUM. 



Type U. S. National Herbarium no. 9809, collected by J. N. Rope and Jos. H. 

 y Painter on the road between Ilignerillap and San Pablo, Qner^taro, August 24, 1905 

 (no. 9809).. 



Perhaps nearest Tr. primjlei^ biit leave.s not acuminate, stem lens pilose, plant more 

 glandular^ etc. 



Wissadula lozani RoJ:?e, sp. nov. 



Plate XLI. 



Branches terete, covered with t-tellate hair.<; upper leaves oblong, 5 to 7 cm. long, 

 at most acute, truncate or sli^ilitly cordate at base, crenate; infloreKceuce painculate; 

 pedicels short (10 mm. or less lonj^;), stout; fruitin*? calyx 10 to 12 nun. long; sejnils 

 ovate, acute; petals yellow; carpels 5, each l^seeded. 



Tj^pe U. S, National Herbarium no. 4(>l97r), collected by C. G. IVingle and F. 

 Lozano at Hacienda Kl Carrizo near San Juan, Nuevo Leon (no. 13443). 



This species belongs to the Abutilastrum section of the genus and is not closely 

 allied to any of the six other described species of tins group. 



ExPLAXATioN OF PLATE XLI.— Fig. a, plant; h, calyx; c, corolla; rf, carpels; e, section through 

 cnrpel^j. Fig. a, natural size; Iig8. &, c, d nnri r, scale 2. 



HYPERICACEAE. 



FOUR NEW ST. JOHNSWOBTS. 



Hypericum confusum Rose, sp. nov. 



Pereniual, sending up a chister of 3 io many herbaceous stems, 2.5 to 7.5 cm. 

 liigh, sometimes 4-angled, glal)rous; leaves sessile, oblong, with uyhort obtuse-tipped 

 apex, either shorter or longer than the internodes, light green above, hardly paler 

 beneath, 4 to 12' mm. long, 2 to 5 mm. wide; sepals somewhat unequal, 4 to 6 

 mm. long, acute; petals yellow; ovary shorter than the calyx; styles 3, somewhat 

 elongated. 



Type U. S. National Herbarium no. 304028, collected by Dr. C. G. Pringle in damp 

 soil, Serrania de Ajusco, Distrito Federal, August 23, 189(5 (no. G440). 



This species must lie near the South American TT. hreiisttjlam uitli which it has 

 been confused, but it has a less spreading habit, larger leaves, calyx, and flowers, 

 longer styles, etc. 



Hypericum diffusum Rose, sp. now 



Perennial, usually branching at base; stenis ascending, 10 to 12 cm. high, some- 

 wdiat 4-angled; leaves lanceolate, acute, 10 to 10 mm, long, 4 to 7 mm. broad, 

 1-nerved, the margin somewhat scarious and slightly denticulate; flowers rather 

 few; sepals lanceolate, 3-nerved, acute, 5 to 6 mm. long; petals yellow, longer than 

 the sepals; stamens 9 to 15; capsule 1-celled, 6 to 7 mm. long; styles 3, distinct, 

 each bearing a broad flat stigma. 



Collected by C. G. Pringle in meadows near Buena Vista Station, Hidalgo, 1904 

 (no. 8802). 



Hypericum simulans Rose, sp, nov. 



Perennial; stem herbaceous, usually single, erect, 20 to 50 cm. high, glabrous; 

 leaves oblong, 2 to 2.5 cm. long, obtuse, with many black dots on under surface; 

 flowers few; bracts obtuse and leaf-like; sepals broadly ovate, 5 to 7 nun. long, obtuse, 

 black-dotted; petal h oblong, 10 to 12 mm. long, yellow^ or becoming reddish, more 

 or legs black-dotted on the margin; styles 3; capsule 3-celled. 



Collected by C. G. Pringle, near Canales, Hidalgo, September, 11*04 (no. 8993, type) 

 and near Pachuca, Hidalgo, in 1903(?) (no. 6941); also in the latter locality by 

 J. X. Rose, July 21 and 22, 1901 (no. 5572). 



