safford: classification of rollinia 381 



Specimens of R. orthopetala, with photographs of its fruits, from 

 Demerara, its type locality, are much desired. 



Rollinia laurifolia Schlecht. Linnaea, 9: 319. 1835. 



A shrub or small tree. Leaf blade oblong-elliptical or oblong-lan- 

 ceolate, acuminate at the apex, obtuse at the base, the upper surface 

 glabrous to the naked eye, the lower surface clay-colored. Corolla 

 lobes ascending-erect, broadened and rounded or obtuse at the apex 

 and incurved; peduncles solitary or in 2's or 3's, graduated in length, 

 the longest about 3 times the length of the petioles. Fruit subglobose, 

 about the size of a horse-chestnut, composed of many distinctly out- 

 lined carpels, and containing an edible white mucilaginous pulp, with 

 a pleasant sweet taste. 



Type material collected by Sellow in Brazil (Nos. 809, 1190). Known 

 locally as araticu mirim. 



This species bears a certain resemblance to R. dolabripetala, but dif- 

 fers from it in having the flowers in clusters of 2 to several, while the 

 corolla wings are narrow, ascending, and incurved (instead of broad 

 and widely diverging), and the lateral nerves and midrib are usually 

 (but not always) hairy on the upper surface. A closely allied plant 

 collected by Riedel (October, 1823) in the forest near Mandiocca 

 has been described by R. E. Fries under the name R. laurifolia var. 

 longipes. A specimen with geminate fruits recently collected and pho- 

 tographed at Sitio, Minas Geraes, Brazil, by Messrs. Dorsett, Shamel, 

 and Popenoe (No. 37882) apparently belongs to this variety. 



Rollinia incurva Moore, Trans. Linn. Soc. II. Bot., 4: 303. 1894. 



A diffuse shrub with short-petioled leaves resembling those of R. 

 laurifolia, but obtuse at the apex and rounded at the base, glabrous 

 and glossy above and paler beneath. Corolla wings spatulate-oblong, 

 ascending and incurved, clothed with ferruginous tomentum. 



Type in the British Museum, collected by the Matto Grosso Expedi- 

 tion in Santa Cruz, Brazil; duplicates of the type in the Herbarium 

 of Columbia University, New York Botanical Garden. 



GROUP D 



WINGS COMPRESSED, OBOVATE AND ASCENDING 



Rollinia rugulosa Schlecht. Linnaea, 9: 316. 1834. 



A shrub or small tree. Leaf blades lanceolate or broadly lanceolate, 

 obtusely short-acuminate at the apex, acute at the base, on both sides 

 subglabrous, beneath glossy; young branchlets, petioles, and midrib 

 appressed-puberulous. Peduncles usually recurved or pendulous and 

 thickened at the apex, warty and puberulous like the calyx, 8 to 10 

 mm. long. Corolla lobes obovate, ascending, rounded or obtuse at 



