28o 



THE CACTACEAE. 



Contr. U- S. Nat. Herb. i6: pi. 126, b, as Lophocereus australis; Mollers Deutsche Gart. 

 Zeit. 25: 473. f. 5, No. 8; Cycl. Amer. Hort. Bailey 3: f. 1803; Schumann, Gesamtb. 

 Kakteen f. 7, 8; Nachtr. f. 8 ; Monatsschr. Kakteenk. 11 : 10; 18: loi, as Pilocereus schottii; 

 West Amer. Sci. 13: 16, as Cereus sargentianus; Rep. Mo. Bot. Gard. 16: pi. 4, 5, 6, 7, 8, 

 as Cereus schottii; Contr. U. S. Nat. Herb. 16: pi. 125, b, as Lophocereus schottii; Thomas, 

 Zimmerkultur Kakteen 17, as Pilocereus sargentianus. 



On page 180, vol. 11, under Myrtillocactus geometrizans, add to illustrations: Reiche, 

 Elem. Bot. 228. f. 164; Engler and Drude, Veg. Erde 13: f. 31 ; Mollers Deutsche Gart. Zeit. 

 25: 482. f. 13; West Amer. Sci. 13: 15; Zeitschrift Sukkulenk. i: 31, a.'=, Cereus geometrizans. 



On page 180, vol. 11, under Myrtillocactus cochal, add to illustrations: Thomas, Zim- 

 merkultur Kakteen 13, as Cereus cochal. 



On page 183, vol. 11, insert the following: 



39. NEOABBOTTIA Britton and Rose, Smiths. Misc. Coll. 72': 2. 1921. 



A tree-like cactus with a smooth, upright, terete trunk and a much branched top, the branches 

 strono-ly winged or ribbed, normally from distal end of preceding branch, but sometimes from below 

 tip and usually in the same plane ; ribs thin and high, verj^ spiny ; flowers nocturnal, small, tubular, 

 with a narrow limb, borne several together at distal end of a terminal branch from a small, felted 

 cephalium; perianth persisting on the ovars-; perianth-tube and oYary bearing small scales with 

 short wool' and an occasional bristle in their axils; perianth-segments very small; throat of flower a 

 httle broadened at top, bearing many stamens; style slender; fruit oblong, turgid, nearly naked, 

 deeply umbiHcate; seed minute, black, muricate. 



Figs. 256, 257. — Flower and fruit of Neoabbottia paniculata. Natural size. 



Type species : Cactus paniculatus Lamarck. 



A monotypic genus of Hispaniola, dedicated to Dr. W. L. Abbott, a patron of natural 

 history. 



1. Neoabbottia paniculata (Lamarck) Britton and Rose, Smiths. Misc. Coll. 72': 3. 1921. 



Cactus paniculatus Lamarck, Encjxl. i: 540. 1783. 



Cereus paniculatus De CandoUe, Prodr. 3: 466. 1828. 

 Plant 6 to 10 meters high or higher; trunk woody, 30 cm. in diameter, the wood close-grained, 

 yellowish white; bark of trunk 1.5 cm. thick, brown, not spiny in age, smooth; branches 4 to 6 cm. 

 broad, strongly 4-ribbed, occasionally 6-ribbed or winged; ribs thin, 1.5 to 2.5 cm. high, their margins 

 somewhat crenate, areoles borne at base of sinuses, i .5 to 2 cm. apart ; spines 1 2 to 20, acicular, brownish 

 to gray, 2 cm. long or less; cephahum i to 1.5 cm. in diameter, becoming elongated and angled; 

 flowers straight, 5 cm. long, with a Hmb about 3 cm. broad, tube 6 to 7 mm. long, about 18 mm. 

 in diameter, with walls 5 to 6 mm. thick; inner perianth-segments greenish white, short-oblong, 

 about I cm. long, obtuse; throat 18 mm. long, covered with numerous filaments, these with a knee 



