NEW AND NOTEWORTHY HAWAIIAN PIANTS. 



BY DR. L. RADLKOFER AND J. F. ROCK. 



Alectryon macrococcus Radlkofer in Sitzungsber. K. Bayer. 



Ac. XX (1890) p. 255 et in Engl. & Pr. Pfl.-Fam. Ill, 5 (1895) 

 p. 333. Mahoe, gen. nov.? Hillebr. Fl. Haw. Isl. (1888) p. 

 86. Dodonaea sp. Drake del Cast. 111. Fl. Ins. Mar. Pacif. (1890) 

 p. 144 in obs. ad. Dod. vise. Vulgo Mahoe in Molokai teste 

 Hillebr. 1. c. (quo nomine in Novo-Zealandia Melicytus rami- 

 florus Forest, salutatur t. Kirk in Forest Fl. N.-Zeal., 1889, p. 3). 



Arbor mecliocris ; rami teretes, rnbri fusci, glabrati, juveniles 

 striati, cum foliis novellis tomento adpresso sericeo flavescenti- 

 cano induti; folia 2 5 juga; foliola magna, opposita, elliptica 

 vel subovata, utrinque obtusa vel apice acuminata (t. Hillebr.), 

 petiolulata, integerrima, undulata, coriaceo-chartacea, nervis late- 

 ralibus sat approximatis obliquis subtus tit et nervo mediano valido 

 dilatato supra piano prominentibus, glabra (vel subtus t. Hillebr. 

 laxe tomentosa ) , utrinque nitidula, sicca e viridi subfusca, epider- 

 mide non mucigera paginae superioris hypodermate suffulta ; 

 paniculae axillares, basi ramosae, parvae ; flores (ignoti) ; fruc- 

 tus 1 coccus, adhaerentibus loculis 2 abortivis ; coccus evolutus 

 globosus, pro genere maximus, corticosus, glaber, fissuris irregu- 

 lariter areolatus, intus pilis setaceis singulis adspersus ; seminis 

 testa Crustacea, brunnea, splendens. 



Arbor 7 10 m alta. Folia petiolo ca. 10 cm longo adjecto 40 

 cm et ultra longa ; foliola cum petiolulis 1 1, 5 cm longis ca. 20 

 cm longa, 9 cm lata. Paniculae 10 cm et ultra longae. Fructus 

 coccus diametro 2, 5 cm et ultra, pericarpio 1, 5 mm crasso. 



In archipelagi Sandwicensis insulis Oahu, Molokai et Maui : 

 Hillebrand! ("Oahu, on the S. W. slope of Mount Kaala, left 

 branch of Makaleha ;" "Molokai, on the pali of Kalaupapa ;" ca. 

 1870; Hb. Kew. ; Berol.) ; J. F. Rock (Maui, in declivibus mentis 

 Haleakala meridiem versus, a. 1910, fl. et fr., ex ipso in litt. m. 

 Jan. 1911; spedmina non vidi). 22. II. ii. L. Radlkofer. 



The above description was communicated to me by Prof. Dr. 

 L. Radlkofer of Munich for publication. (J. F. Rock.) 



